{"id":80143,"date":"2026-02-20T14:43:00","date_gmt":"2026-02-20T20:43:00","guid":{"rendered":"https:\/\/www.shipstation.com\/checkout\/"},"modified":"2026-05-18T09:03:08","modified_gmt":"2026-05-18T14:03:08","slug":"checkout","status":"publish","type":"page","link":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/","title":{"rendered":"Improve the checkout experience with ShipStation API"},"content":{"rendered":"\n\n\n<section class=\"wp-block-shipstation-hero block not-prose padding-top--md padding-bottom--lg\">\n    <div class=\"\">\n        <div class=\"container\">\n            <div class=\"hero items-start\">\n                <div class=\"hero-content \">\n                                                                    <h1>Improve the checkout experience with ShipStation API<\/h1>\n                                                    <div class=\"lead\"><p>Use ShipStation API\u2019s checkout capabilities to show real-time shipping rates, clear delivery timelines, and validate addresses at the moment of purchase\u2014so customers check out with confidence and more orders move through to fulfilment.<\/p><\/div>\n                                                                                    <div class=\"btn-group\">\n                                                                                    <a href=\"https:\/\/www.shipengine.com\/signup\/\" class=\"btn btn--primary\" target=\"_self\">\n                                    Start Shipping Now                                <\/a>\n                                                                            \n                                                                                    <a href=\"https:\/\/www.shipengine.com\/contact\/\" class=\"btn outline btn--secondary\" target=\"_self\">\n                                    Talk to an Expert                                <\/a>\n                                                                        <\/div>\n                                \n                            <\/div>\n                            <div class=\"hero-media \">\n                                            <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp\" alt=\"Checkout API\" width=\"960\" height=\"641\" loading=\"eager\" \/>\n                                    <\/div>\n                                    <\/div>\n        <\/div>\n    <\/div>\n<\/section>\n\n\n\n<section class=\"wp-block-shipstation-logo-marquee block not-prose\">\n    <div class=\"bg-white background--full content-theme--light \">\n        <div>\n            <div class=\"container\">\n                    <div class=\"content content-align-center items-center\">\n                                            <p class=\"eyebrow\">    Connected to the platforms that power your business<\/p>\n                                        \n                                        \n                                        \n                                        \n                                    <\/div>\n                    <div class=\"logo-marquee\">\n                <div class=\"fade-edges \">\n                    <div class=\"slider\">\n                        <ul class=\"animate-infinite-scroll\">\n                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Paypal-icon-card.svg\" \n                                             alt=\"Paypal logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/DHL-icon-card.svg\" \n                                             alt=\"DHL logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/bigcommerce-icon-card.svg\" \n                                             alt=\"Bigcommerce logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/FedEx-Icon-Card.svg\" \n                                             alt=\"FedEx logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Walmart-icon-card.svg\" \n                                             alt=\"Walmart\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/ETSY-icon-card.svg\" \n                                             alt=\"Etsy logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Amazon-icon-card.svg\" \n                                             alt=\"Amazon logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Squarespace-commerce-icon-card.svg\" \n                                             alt=\"Squarespace logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/WIX-icon-card.svg\" \n                                             alt=\"WIX logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Shopify-icon-card.svg\" \n                                             alt=\"Shopify Logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/ebay-icon-card.svg\" \n                                             alt=\"Ebay logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/USPS-icon-card.svg\" \n                                             alt=\"USPS logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Salesforce-icon-card.svg\" \n                                             alt=\"Salesforce logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/UPS-icon-card.svg\" \n                                             alt=\"UPS logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Intuit-icon-card.svg\" \n                                             alt=\"Intuit logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Woo-commerce-icon-card.svg\" \n                                             alt=\"Woo Commerce logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                                                                <li>\n                                        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Tiktok-icon-card.svg\" \n                                             alt=\"TikTok logo\" \n                                             width=\"94\" \n                                             height=\"94\" \n                                             loading=\"lazy\" \/>\n                                    <\/li>\n                                                                                    <\/ul>\n                        \n                                                    <ul aria-hidden=\"true\" class=\"animate-infinite-scroll\">\n                                                                                                            <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Paypal-icon-card.svg\" \n                                                 alt=\"Paypal logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/DHL-icon-card.svg\" \n                                                 alt=\"DHL logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/bigcommerce-icon-card.svg\" \n                                                 alt=\"Bigcommerce logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/FedEx-Icon-Card.svg\" \n                                                 alt=\"FedEx logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Walmart-icon-card.svg\" \n                                                 alt=\"Walmart\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/ETSY-icon-card.svg\" \n                                                 alt=\"Etsy logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Amazon-icon-card.svg\" \n                                                 alt=\"Amazon logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Squarespace-commerce-icon-card.svg\" \n                                                 alt=\"Squarespace logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/WIX-icon-card.svg\" \n                                                 alt=\"WIX logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Shopify-icon-card.svg\" \n                                                 alt=\"Shopify Logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/ebay-icon-card.svg\" \n                                                 alt=\"Ebay logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/USPS-icon-card.svg\" \n                                                 alt=\"USPS logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Salesforce-icon-card.svg\" \n                                                 alt=\"Salesforce logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/UPS-icon-card.svg\" \n                                                 alt=\"UPS logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Intuit-icon-card.svg\" \n                                                 alt=\"Intuit logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Woo-commerce-icon-card.svg\" \n                                                 alt=\"Woo Commerce logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                                                                <li>\n                                            <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/Tiktok-icon-card.svg\" \n                                                 alt=\"TikTok logo\" \n                                                 width=\"94\" \n                                                 height=\"94\" \n                                                 loading=\"lazy\" \/>\n                                        <\/li>\n                                                                                                <\/ul>\n                                            <\/div>\n                <\/div>\n            <\/div> <!-- Close logo-marquee -->\n            <\/div> <!-- Close container -->\n        <\/div>\n    <\/div>\n<\/section>\n\n\n<style>\n.wp-block-shipstation-logo-marquee .container .logo-marquee .fade-edges .slider>ul>li img {<br \/>\n    min-height: 120px;<br \/>\n}<br \/>\n<\/style>\n\n\n<section class=\"wp-block-shipstation-cards-v2 block not-prose\" id=\"block-cards-6a332bc5e94b5\">\n            <div class=\"bg-grey-lightest background--full content-theme--light  \">\n        <div class=\"container\">\n                        <div class=\"content content-align-center items-center\">\n                                \n                                    <h2>Turn checkout into a conversion and cost control engine<\/h2>\n                                \n                                    <div class=\"lead\"><p>Increase completed purchases while keeping shipping spend predictable. ShipStation API helps you balance customer expectations with operational efficiency by showing accurate delivery options, guiding shoppers toward cost-effective services, and preventing common fulfilment issues before an order is placed.<\/p><\/div>\n                                \n                                \n                            <\/div>\n                        \n                                                <!-- Grid Mode -->\n                    <div class=\"cards icon-top columns-4 layout-grid\">\n                                                                                <div class=\"card card-icon card-solid card--centered card--text-centered bg-white\">\n                                \n        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/smush-webp\/2026\/02\/icon-0847ee25c01f.png.webp\" alt=\"\" class=\"icon\" loading=\"eager\" \/>\n    \n\n\n\n\n\n<div class=\"card-content h-full\">\n        <div class=\"card-text\">\n                    <!-- Standard heading\/eyebrow for all other card types -->\n            \n                                                <h3 class=\"h5\">Make every delivery a great experience<\/h3>\n                                            \n                    <div class=\"body\"><p>Show delivery options that match how your customers want to receive their orders. Use ShipStation API to present economy, express, and pickup point services directly within your existing checkout flow, so buyers can choose quickly without leaving the page or second-guessing their purchase.<\/p><\/div>\n        \n            <\/div>\n\n    <\/div>\n                            <\/div>\n                                                                                                            <div class=\"card card-icon card-solid card--centered card--text-centered bg-white\">\n                                \n        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/icon-d72685d09893.png\" alt=\"\" class=\"icon\" loading=\"eager\" \/>\n    \n\n\n\n\n\n<div class=\"card-content h-full\">\n        <div class=\"card-text\">\n                    <!-- Standard heading\/eyebrow for all other card types -->\n            \n                                                <h3 class=\"h5\">Reduce cart abandonment<\/h3>\n                                            \n                    <div class=\"body\"><p>Unexpected shipping costs are one of the top reasons shoppers abandon their carts. With ShipStation API, you display real-time carrier pricing based on actual shipment details, so customers see accurate costs and delivery timelines before paying\u2014building trust and improving conversion.<\/p><\/div>\n        \n            <\/div>\n\n    <\/div>\n                            <\/div>\n                                                                                                            <div class=\"card card-icon card-solid card--centered card--text-centered bg-white\">\n                                \n        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/icon-11e6600d5ffe.png\" alt=\"\" class=\"icon\" loading=\"eager\" \/>\n    \n\n\n\n\n\n<div class=\"card-content h-full\">\n        <div class=\"card-text\">\n                    <!-- Standard heading\/eyebrow for all other card types -->\n            \n                                                <h3 class=\"h5\">Prevent failed deliveries<\/h3>\n                                            \n                    <div class=\"body\"><p>Address mistakes, drive reshipments, support tickets, and lost revenue. ShipStation API validates addresses as customers enter them, catching missing apartment numbers, invalid postal codes, and formatting errors in real time to reduce delivery failures and protect margins.<\/p><\/div>\n        \n            <\/div>\n\n    <\/div>\n                            <\/div>\n                                                                                                            <div class=\"card card-icon card-solid card--centered card--text-centered bg-white\">\n                                \n        <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/icon-d9402d6af0a5.png\" alt=\"\" class=\"icon\" loading=\"eager\" \/>\n    \n\n\n\n\n\n<div class=\"card-content h-full\">\n        <div class=\"card-text\">\n                    <!-- Standard heading\/eyebrow for all other card types -->\n            \n                                                <h3 class=\"h5\">Smarter delivery experiences for modern ecommerce<\/h3>\n                                            \n                    <div class=\"body\"><p>Design delivery experiences that fit your storefront and fulfilment strategy. Start with live rates and address validation, then layer in service selection rules and shipping logic as your business grows\u2014without rebuilding your checkout flow or maintaining separate carrier integrations. <\/p><\/div>\n        \n            <\/div>\n\n    <\/div>\n                            <\/div>\n                                                                        <\/div>\n                            \n                    <\/div>\n    <\/div>\n<\/section>\n\n\n\n<section class=\"block block-zig-zag wp-block-shipstation-zig-zag block not-prose\">\n    <div class=\"bg-grey-lightest background--full content-theme--light content--lg \">\n        <div class=\"zig-zag-block\">\n            <div class=\"container\">\n                    <div class=\"content content-align-center items-center content-width-md\">\n                                        \n                                            <h2>Build a checkout experience that evolves with your business<\/h2>\n                                        \n                                            <div class=\"lead\"><p>ShipStation brings checkout, shipping, and optimisation together in one scalable platform designed for modern commerce.<\/p><\/div>\n                                        \n                                        \n                                    <\/div>\n                <div class=\"columns flex-col-reverse items-center zig-zag-row\" data-row=\"1\">\n            \n            <!-- Text Column -->\n            <div class=\"column-content w-full md:col-span-6 md:order-1 content-align-left mobile-align-left\">\n                                \n                                    <h3>Present the right delivery options at checkout<\/h3>\n                                \n                                    <div class=\"lead max-w-[54rem]\">\n                        <p>Control which services appear based on location, order value, destination, and delivery promise. Shoppers see clear, relevant options instead of long lists, making it easier to choose while keeping fulfilment efficient and predictable. You can prioritise specific carriers, hide unsupported services, and guide buyers toward options that balance speed, cost, and reliability.<\/p>                    <\/div>\n                                \n                                \n                            <\/div>\n\n            <!-- Media Column -->\n            <div class=\"column-media w-full md:col-span-6 md:order-2\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/05\/img-analytics-api-hero-2x-gb-uk-api.png\" alt=\"\" class=\"rounded-xl\" \/>\n                            <\/div>\n\n        <\/div>\n            <div class=\"columns flex-col-reverse items-center zig-zag-row\" data-row=\"2\">\n            \n            <!-- Text Column -->\n            <div class=\"column-content w-full md:col-span-6 md:order-2 content-align-left mobile-align-left\">\n                                \n                                    <h3>Display accurate, real-time shipping costs<\/h3>\n                                \n                                    <div class=\"lead max-w-[54rem]\">\n                        <p>Replace static rate tables with live carrier pricing pulled directly from ShipStation API. Rates reflect actual shipment details like weight, dimensions, and destination, helping what customers pay stay aligned with your true cost to ship. This reduces undercharges, supports dynamic promotions, and creates more predictable margins across high-volume orders.<\/p>                    <\/div>\n                                \n                                \n                            <\/div>\n\n            <!-- Media Column -->\n            <div class=\"column-media w-full md:col-span-6 md:order-1\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/05\/Framegb-api-2.png\" alt=\"\" class=\"rounded-xl\" \/>\n                            <\/div>\n\n        <\/div>\n            <div class=\"columns flex-col-reverse items-center zig-zag-row\" data-row=\"3\">\n            \n            <!-- Text Column -->\n            <div class=\"column-content w-full md:col-span-6 md:order-1 content-align-left mobile-align-left\">\n                                \n                                    <h3>Validate shipping addresses during checkout<\/h3>\n                                \n                                    <div class=\"lead max-w-[54rem]\">\n                        <p>Catch address issues before orders are placed. Real-time validation flags missing unit numbers, incorrect city or postal code combinations, and formatting problems\u2014reducing failed deliveries, reshipments, and manual correction work. Cleaner address data also improves carrier acceptance and speeds fulfilment.<\/p>                    <\/div>\n                                \n                                \n                            <\/div>\n\n            <!-- Media Column -->\n            <div class=\"column-media w-full md:col-span-6 md:order-2\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/address-validation-gb-3-api.png\" alt=\"\" class=\"rounded-xl\" \/>\n                            <\/div>\n\n        <\/div>\n            <div class=\"columns flex-col-reverse items-center zig-zag-row\" data-row=\"4\">\n            \n            <!-- Text Column -->\n            <div class=\"column-content w-full md:col-span-6 md:order-2 content-align-left mobile-align-left\">\n                                \n                                    <h3>Control your checkout URL and experience<\/h3>\n                                \n                                    <div class=\"lead max-w-[54rem]\">\n                        <p>Embed delivery options into single-page, multi-step, or localized checkout flows without redirects. Reuse logic across URLs, support multiple regions from one integration, and maintain consistent branding throughout the purchase experience\u2014whether you operate one storefront or many.<\/p>                    <\/div>\n                                \n                                \n                            <\/div>\n\n            <!-- Media Column -->\n            <div class=\"column-media w-full md:col-span-6 md:order-1\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/img-ss-UI-TrackingPage-2x-GB.svg\" alt=\"\" class=\"rounded-xl\" \/>\n                            <\/div>\n\n        <\/div>\n            <div class=\"columns flex-col-reverse items-center zig-zag-row\" data-row=\"5\">\n            \n            <!-- Text Column -->\n            <div class=\"column-content w-full md:col-span-6 md:order-1 content-align-left mobile-align-left\">\n                                \n                                    <h3>Work alongside your existing payment methods<\/h3>\n                                \n                                    <div class=\"lead max-w-[54rem]\">\n                        <p>ShipStation API handles shipping choices while keeping your payment providers and transaction flows exactly as they are today. Customers review delivery options and costs first, then complete payment using the methods you already support\u2014creating a smoother checkout without system changes.<\/p>                    <\/div>\n                                \n                                \n                            <\/div>\n\n            <!-- Media Column -->\n            <div class=\"column-media w-full md:col-span-6 md:order-2\">\n                                    <img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/05\/img-ss-UI-MultiLocationControl-gb.png\" alt=\"\" class=\"rounded-xl\" \/>\n                            <\/div>\n\n        <\/div>\n                <\/div>\n        <\/div>\n    <\/div>\n<\/section>\n\n\n<section class=\"block block-cards US \"><div class=\"bg-grey-lightest background--full content--full\">\n\n<div id=\"block-cards-block_73be60a9576c3def6aebd105c6271a47\" class=\"block-cards\">\n\t<div class=\"container \">\n\t\t<div class=\"acf-innerblocks-container\">\n<section class=\"block block-feature-text US \"><div class=\"content--full\">\n<div id=\"feature-text-block-block_b7851cfce59e9e51ac6f5729b07504ef\" class=\"feature-text-block pb-6\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t<p class=\"eyebrow\">Related Content<\/p>\n\t\t\t\t\t\t\t\t\t\t<h2 class=\"\">Helpful Shipping Resources<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>Browse additional articles, guides, and insights related to shipping and fulfilment. These resources provide practical advice and best practices to support your day-to-day operations.<\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n<\/div>\n\t\t\n\t\t\n\t\t\t\t\t<div class=\"cards icon-top columns-2 layout-grid\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card card-icon card-solid bg-white  \">\n\t\t\t\t\t\t\t\n<img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/04\/ShipStation_GreenBlue_RGB_Globe02.svg\"  sizes=\"auto, (max-width: 64px) 100vw, 64px\" loading=\"lazy\"   class=\"icon\" alt=\"\" width=\"64\" height=\"64\">\n<div class=\"card-content h-full\">\n    <div class=\"card-text\">\n                    <h5>How to Compare International Shipping Quotes and Calculate Global Carrier Delivery Costs<\/h5>\n                             <p>Here&#8217;s a practical guide for comparing international shipping quotes and choosing the right carrier.<\/p>\n            <\/div>\n\n            <div class=\"card-cta\">\n            <a class=\"link-btn no-underline\" href=\"https:\/\/www.shipstation.com\/blog\/how-to-compare-international-shipping-quotes-and-calculate-global-carrier-delivery-costs\/\" target=\"\">Read Story<\/a>\n        <\/div>\n    <\/div>\n\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"card card-icon card-solid bg-white  \">\n\t\t\t\t\t\t\t\n<img decoding=\"async\" src=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/03\/ShipStation_GreenBlue_RGB_Lightbulb01.svg\"  sizes=\"auto, (max-width: 64px) 100vw, 64px\" loading=\"lazy\"   class=\"icon\" alt=\"\" width=\"64\" height=\"64\">\n<div class=\"card-content h-full\">\n    <div class=\"card-text\">\n                    <h5>Solved: The 5 Biggest Shipping Challenges Facing British Ecommerce Businesses Today<\/h5>\n                             <p>Running a successful ecommerce business in Britain today is a constant balancing act. See how ShipStation solves the biggest challenges.<\/p>\n            <\/div>\n\n            <div class=\"card-cta\">\n            <a class=\"link-btn no-underline\" href=\"https:\/\/www.shipstation.com\/blog\/solved-the-5-biggest-shipping-challenges-facing-british-ecommerce-businesses-today\/\" target=\"\">Read Story<\/a>\n        <\/div>\n    <\/div>\n\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n<\/div>\n<\/div><\/section>\n\n<section class=\"block block-feature-text US \"><div class=\"bg-cobalt-lighter background--full content--sm\">\n<div id=\"feature-text-block-block_537cdd7d9f6384367d00d1dcfa7cc677\" class=\"feature-text-block pb-6\">\n\t<div class=\"container\">\n\t\t<div class=\"content content-align-center\">\n\t\t\t\t\t\t\t\t\t\t<h2 class=\"\">Ready to get started?<\/h2>\n\t\t\t\t\t\t\t\t<div class=\"text-lg max-w-[68rem]\"><p>ShipStation API removes the complexities of shipping. Scale your business with our industry-leading API, comprehensive documentation, and vast carrier network.<\/p>\n<\/div>\n\t\t\t\t\t\t\t\t\t\t<div class=\"btn-group\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.shipengine.com\/signup\/\" target=\"_blank\" class=\"btn\">Start Shipping Now<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.shipengine.com\/contact\/\" target=\"_blank\" class=\"btn outline\">Talk to an Expert<\/a>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\n\t\t<div class=\"acf-innerblocks-container\"><\/div>\n\t<\/div>\n<\/div>\n<\/div><\/section>\n\n\n<section class=\"wp-block-shipstation-faqs block not-prose\">\n    <div class=\"background--full content--md\">\n        <div class=\"accordion-block\">\n            <div class=\"container\">\n                    <div class=\"content content-align-center items-center content-width-md\">\n                                        \n                                            <h3>ShipStation API checkout FAQs<\/h3>\n                                        \n                                        \n                                        \n                                    <\/div>\n                        <div class=\"accordions\">\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>What does ShipStation API add to checkout?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>ShipStation API brings real-time shipping rates, delivery options, and address validation directly into your checkout flow. Instead of static tables or estimates, shoppers see accurate pricing and delivery timelines based on real shipment data. This ensures delivery promises reflect actual carrier services and helps prevent costly fulfillment surprises after purchase.<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>Do I need to redesign my checkout to use ShipStation API?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>No. You control your checkout layout and user experience. ShipStation API powers shipping logic behind the scenes while fitting into the flow and URLs you already use. It works within your existing frontend framework, allowing developers to integrate shipping functionality without rebuilding the full checkout experience.<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>Can I customize which delivery options appear for different orders?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>Yes. You can configure rules based on location, order value, product type, destination, and service availability so shoppers only see realistic, profitable delivery choices. This makes it easier to guide customers toward services that align with your fulfillment capabilities and delivery commitments.<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>How does using live rates affect margins?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>Live rates help align what customers pay with your actual shipping cost, reducing undercharging and surprise adjustments. Because pricing reflects real carrier data, you gain better visibility into shipping spend and more control over promotional strategies tied to delivery.<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>Will this work with my current payment providers?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>Yes. ShipStation API integrates with your checkout for shipping only. Payment processing remains exactly as it is today. Customers review delivery options and costs before completing payment through the providers you already support<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>Can I reuse checkout shipping logic across multiple storefronts or regions?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>Yes. ShipStation API lets you apply the same delivery rules, service selection logic, and rate handling across multiple checkout URLs, regions, and storefronts from a single integration. This makes it easier to support international sites, localized experiences, or multiple brands while keeping shipping behavior consistent and easy to manage<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                            <div class=\"accordion\">\n                            <div class=\"question\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\">\n                                <h5>How does ShipStation API handle changes to orders during checkout or after purchase?<\/h5>\n                                <div class=\"icon\">\n                                    <svg class=\"span-2\" width=\"16\" height=\"17\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" fill=\"none\" viewBox=\"0 0 24 24\" stroke-width=\"1.5\" stroke=\"currentColor\">\n                                        <path stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M19.5 8.25l-7.5 7.5-7.5-7.5\" \/>\n                                    <\/svg>\n                                <\/div>\n                            <\/div>\n                            <div class=\"body-content\">\n                                <div class=\"prose\"><p>You can request updated rates and validate addresses again whenever shipment details change, such as quantity updates, address edits, or service adjustments. This ensures pricing and delivery promises stay accurate throughout checkout and fulfillment, reducing exceptions and manual rework later in the process.<\/p>\n<\/div>\n                            <\/div>\n                        <\/div>\n                                    <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":100,"featured_media":80145,"parent":80146,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_yoast_wpseo_metadesc":"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.","_ss_page_background":"","footnotes":""},"class_list":["post-80143","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":{"shipstation_product_type":["shipstation_api"],"shipstation_features":"","shipstation_company_size":"","shipstation_industry":"","shipstation_funnel_stage":"decision"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Checkout API for Flexible Shipping Options | ShipStation<\/title>\n<meta name=\"description\" content=\"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Improve the checkout experience with ShipStation API\" \/>\n<meta property=\"og:description\" content=\"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/\" \/>\n<meta property=\"og:site_name\" content=\"ShipStation\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ShipStation\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-18T14:03:08+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"960\" \/>\n\t<meta property=\"og:image:height\" content=\"641\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@shipstation\" \/>\n<meta name=\"twitter:label1\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/\",\"name\":\"Checkout API for Flexible Shipping Options | ShipStation\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.shipstation.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/api-checkout-hero.webp\",\"datePublished\":\"2026-02-20T20:43:00+00:00\",\"dateModified\":\"2026-05-18T14:03:08+00:00\",\"description\":\"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/api-checkout-hero.webp\",\"contentUrl\":\"https:\\\/\\\/www.shipstation.com\\\/wp-content\\\/uploads\\\/2026\\\/02\\\/api-checkout-hero.webp\",\"width\":960,\"height\":641,\"caption\":\"Checkout API\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/checkout\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Smarter Order Fulfillment Software for Growth\",\"item\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"API Integration for Streamlined Fulfillment\",\"item\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/fulfillment\\\/api\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Improve the checkout experience with ShipStation API\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#website\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/\",\"name\":\"ShipStation\",\"description\":\"The fulfillment engine behind hundreds of thousands of online sellers.\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.shipstation.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-GB\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#organization\",\"name\":\"ShipStation\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-GB\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/ShipStation-Lockup-DarkGreen-RGB.svg\",\"contentUrl\":\"https:\\\/\\\/www.shipstation.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/ShipStation-Lockup-DarkGreen-RGB.svg\",\"width\":1550,\"height\":247,\"caption\":\"ShipStation\"},\"image\":{\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/ShipStation\\\/\",\"https:\\\/\\\/x.com\\\/shipstation\",\"https:\\\/\\\/www.linkedin.com\\\/company\\\/shipstation\",\"https:\\\/\\\/www.instagram.com\\\/shipstation\\\/\"],\"description\":\"The fulfillment engine behind hundreds of thousands of online sellers, ShipStation combines order management, rate shopping, inventory, and returns all in one platform, delivering 15x more labels per hour and up to 90% shipping discounts through 200+ carriers.\",\"telephone\":\"(512) 886-4006\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"1001\",\"maxValue\":\"5000\"}},{\"@type\":\"SoftwareApplication\",\"@id\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/#software-application\",\"name\":\"ShipStation\",\"url\":\"https:\\\/\\\/www.shipstation.com\\\/en-gb\\\/\",\"applicationCategory\":\"BusinessApplication\",\"operatingSystem\":\"Web Browser\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Checkout API for Flexible Shipping Options | ShipStation","description":"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/","og_locale":"en_GB","og_type":"article","og_title":"Improve the checkout experience with ShipStation API","og_description":"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.","og_url":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/","og_site_name":"ShipStation","article_publisher":"https:\/\/www.facebook.com\/ShipStation\/","article_modified_time":"2026-05-18T14:03:08+00:00","og_image":[{"width":960,"height":641,"url":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_site":"@shipstation","twitter_misc":{"Estimated reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/","url":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/","name":"Checkout API for Flexible Shipping Options | ShipStation","isPartOf":{"@id":"https:\/\/www.shipstation.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/#primaryimage"},"image":{"@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/#primaryimage"},"thumbnailUrl":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp","datePublished":"2026-02-20T20:43:00+00:00","dateModified":"2026-05-18T14:03:08+00:00","description":"Integrate ShipStation\u2019s Checkout API to support flexible payment methods and custom page URLs, simplifying checkout and improving the customer experience.","breadcrumb":{"@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/#breadcrumb"},"inLanguage":"en-GB","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/"]}]},{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/#primaryimage","url":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp","contentUrl":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2026\/02\/api-checkout-hero.webp","width":960,"height":641,"caption":"Checkout API"},{"@type":"BreadcrumbList","@id":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/checkout\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.shipstation.com\/en-gb\/"},{"@type":"ListItem","position":2,"name":"Smarter Order Fulfillment Software for Growth","item":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/"},{"@type":"ListItem","position":3,"name":"API Integration for Streamlined Fulfillment","item":"https:\/\/www.shipstation.com\/en-gb\/fulfillment\/api\/"},{"@type":"ListItem","position":4,"name":"Improve the checkout experience with ShipStation API"}]},{"@type":"WebSite","@id":"https:\/\/www.shipstation.com\/#website","url":"https:\/\/www.shipstation.com\/","name":"ShipStation","description":"The fulfillment engine behind hundreds of thousands of online sellers.","publisher":{"@id":"https:\/\/www.shipstation.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.shipstation.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-GB"},{"@type":"Organization","@id":"https:\/\/www.shipstation.com\/#organization","name":"ShipStation","url":"https:\/\/www.shipstation.com\/","logo":{"@type":"ImageObject","inLanguage":"en-GB","@id":"https:\/\/www.shipstation.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2024\/10\/ShipStation-Lockup-DarkGreen-RGB.svg","contentUrl":"https:\/\/www.shipstation.com\/wp-content\/uploads\/2024\/10\/ShipStation-Lockup-DarkGreen-RGB.svg","width":1550,"height":247,"caption":"ShipStation"},"image":{"@id":"https:\/\/www.shipstation.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/ShipStation\/","https:\/\/x.com\/shipstation","https:\/\/www.linkedin.com\/company\/shipstation","https:\/\/www.instagram.com\/shipstation\/"],"description":"The fulfillment engine behind hundreds of thousands of online sellers, ShipStation combines order management, rate shopping, inventory, and returns all in one platform, delivering 15x more labels per hour and up to 90% shipping discounts through 200+ carriers.","telephone":"(512) 886-4006","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"1001","maxValue":"5000"}},{"@type":"SoftwareApplication","@id":"https:\/\/www.shipstation.com\/en-gb\/#software-application","name":"ShipStation","url":"https:\/\/www.shipstation.com\/en-gb\/","applicationCategory":"BusinessApplication","operatingSystem":"Web Browser"}]}},"_links":{"self":[{"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/pages\/80143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/users\/100"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/comments?post=80143"}],"version-history":[{"count":5,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/pages\/80143\/revisions"}],"predecessor-version":[{"id":89920,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/pages\/80143\/revisions\/89920"}],"up":[{"embeddable":true,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/pages\/80146"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/media\/80145"}],"wp:attachment":[{"href":"https:\/\/www.shipstation.com\/en-gb\/wp-json\/wp\/v2\/media?parent=80143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}