If you want the user to be able to modify the payemnt amount, you can do so. Just select “editable” amount. In this case you might want to set up a minimum amount as well.
You can create payment links that experire when user sucessfully pays them. Or you can create payment links that can have multiple payments. This is useful for donation type of payment links.
{"docsConfig":{"$schema":"https://mintlify.com/docs.json","theme":"mint","name":"Sprintcheckout","colors":{"primary":"#0D9373","light":"#07C983","dark":"#0D9373"},"favicon":"https://mintcdn.com/sprintcheckout/Uctu2g9oQF9GwBEr/favicon.svg?fit=max\u0026auto=format\u0026n=Uctu2g9oQF9GwBEr\u0026q=85\u0026s=83b27329f96fd74557fc80c96b6b14eb","logo":{"light":"https://mintcdn.com/sprintcheckout/Uctu2g9oQF9GwBEr/logo/light.svg?fit=max\u0026auto=format\u0026n=Uctu2g9oQF9GwBEr\u0026q=85\u0026s=0663263d3e48c03ffc9efddc0cc47ab1","dark":"https://mintcdn.com/sprintcheckout/Uctu2g9oQF9GwBEr/logo/dark.svg?fit=max\u0026auto=format\u0026n=Uctu2g9oQF9GwBEr\u0026q=85\u0026s=677ba05a43ab6ec0be17695ff2d42d89"},"navbar":{"links":[{"label":"Support","href":"https://t.me/joanseg"}],"primary":{"type":"button","label":"Dashboard","href":"https://dashboard.sprintcheckout.com"}},"footer":{"socials":{"x":"https://twitter.com/sprintcheckout"}},"styling":{"latex":false},"navigation":{"global":{"anchors":[{"anchor":"Website","href":"https://sprintcheckout.com","icon":"globe"}]},"pages":[]}},"deployment":{"deploymentMetadataValue":{"subdomain":"sprintcheckout","hasAudioNarration":false,"actualSubdomain":"sprintcheckout","customDomains":["docs.sprintcheckout.com"],"gitSource":{"type":"github","owner":"joanseg","repo":"docs","deployBranch":"main","contentDirectory":"","isPrivate":false,"mountPath":"","label":""},"chroma":{"liveDeploymentHistoryId":"6a8eec073f6f9b6abdb169b1","collectionId":"9a162704-d410-4e64-aafd-bdb5702c03d3","schemaVersion":"v3","latestBuiltDeploymentHistoryId":"6a8eec073f6f9b6abdb169b1"},"entitlements":{},"buildId":"6a8eec073f6f9b6abdb169b1","clientVersion":"0.0.4054","searchFilterCounts":[{"language":"default","tag":"Documentation","count":8},{"language":"default","tag":"Products","count":5},{"language":"default","tag":"API Reference","count":3},{"language":"default","tag":"API integration","count":3},{"language":"default","tag":"Features","count":2},{"language":"default","tag":"Get Started","count":1}]},"assistantConfig":{},"basePath":"","hasChatPermissions":false,"hasWebMcpPermissions":false,"toggles":[{"name":"kill-isr","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"agent-mintlify-slack","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"agent-integrations-settings","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"automations-pr-grouping","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"custom-prefix","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"analytics-v7","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"user-flows-analytics","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"no-publish-flow","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"workos-onboarding","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"llms-txt-v2","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"snapshot-serving-live","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"stripTemperatureMiddleware","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"support-platform-pylon-zendesk","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"snapshot-serving","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"instant-rollback","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"granular-notifications-server","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"granular-notifications","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"automations-fable","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"fixed-ai-action-pricing","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"automation-resolve-merge-conflict","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"scoped-publishing","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"mintql","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"page-level-analytics","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"editor-version-history-v2","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"billing-page-v2","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"full-page-search","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"workspace-projects","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"assistant-v5","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"byok-sep-25","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"fork-pr-previews","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"revalidation-jwt","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"vite-origin","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"billing-updated-9-15","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"workos-sso-scim","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"hobby-abuse-scan","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"dashboard-inbox","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"workos-signup","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"turbopuffer-dual-write","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"workos-enabled","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"approve-review-flow","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"sso-setup-deadline-banner","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false},{"name":"rbac-expansion","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false}],"googleFontsInlined":false},"customCss":[],"page":{"pagePath":"api-integration","slug":"/api-integration","pageMetadata":{"title":"API integration","description":"Introduction to get paid via direct API integration","href":"/api-integration"},"description":{"compiledSource":"\"use strict\";\nconst {jsx: _jsx} = arguments[0];\nconst {useMDXComponents: _provideComponents} = arguments[0];\nfunction _createMdxContent(props) {\n const _components = {\n p: \"p\",\n ..._provideComponents(),\n ...props.components\n };\n return _jsx(_components.p, {\n children: \"Introduction to get paid via direct API integration\"\n });\n}\nfunction MDXContent(props = {}) {\n const {wrapper: MDXLayout} = {\n ..._provideComponents(),\n ...props.components\n };\n return MDXLayout ? _jsx(MDXLayout, {\n ...props,\n children: _jsx(_createMdxContent, {\n ...props\n })\n }) : _createMdxContent(props);\n}\nreturn {\n default: MDXContent\n};\n","frontmatter":{},"scope":{}},"pageType":"default","mdx":{"mdxSource":{"compiledSource":"\"use strict\";const{Fragment:_Fragment,jsx:_jsx,jsxs:_jsxs}=arguments[0];const{useMDXComponents:_provideComponents}=arguments[0];function _createMdxContent(props){const _components={a:`a`,p:`p`,..._provideComponents(),...props.components},{Heading,Tip}=_components;if(!Heading)_missingMdxReference(`Heading`,true);if(!Tip)_missingMdxReference(`Tip`,true);return _jsxs(_Fragment,{children:[_jsx(Tip,{children:_jsxs(_components.p,{children:[`Go to `,_jsx(_components.a,{href:`/api-reference/sessions/quickstart`,children:`API integration > Quickstart`}),` for an overview and detail API reference information.`]})}),`\n`,_jsx(Heading,{level:`2`,id:`features`,children:`Features`}),`\n`,_jsx(Heading,{level:`3`,id:`static-\u0026-dynamic-amount`,children:`Static \u0026 dynamic amount`}),`\n`,_jsx(_components.p,{children:`If you want the user to be able to modify the payemnt amount, you can do so. Just select “editable” amount. In this case you might want to set up a minimum amount as well.`}),`\n`,_jsx(Heading,{level:`3`,id:`one-off-\u0026-permanent-payment-links`,children:`One off \u0026 permanent payment links`}),`\n`,_jsx(_components.p,{children:`You can create payment links that experire when user sucessfully pays them. Or you can create payment links that can have multiple payments. This is useful for donation type of payment links.`}),`\n`,_jsx(Heading,{level:`3`,id:`cancel-and-successful-redirects`,children:`Cancel and Successful redirects`}),`\n`,_jsx(Heading,{level:`3`,id:`update-payment-sessions`,children:`Update payment sessions`})]})}function MDXContent(props={}){const{wrapper:MDXLayout}={..._provideComponents(),...props.components};return MDXLayout?_jsx(MDXLayout,{...props,children:_jsx(_createMdxContent,{...props})}):_createMdxContent(props)}return{default:MDXContent};function _missingMdxReference(id,component){throw new Error(`Expected `+(component?`component`:`object`)+\" `\"+id+\"` to be defined: you likely forgot to import, pass, or provide it.\")}","frontmatter":{},"scope":{"config":{},"pageMetadata":{"title":"API integration","description":"Introduction to get paid via direct API integration","href":"/api-integration"}}},"mdxSourceWithNoJs":null},"mdxExtracts":{"tableOfContents":[{"title":"Features","slug":"features","depth":2,"children":[{"title":"Static \u0026 dynamic amount","slug":"static-\u0026-dynamic-amount","depth":3,"children":[]},{"title":"One off \u0026 permanent payment links","slug":"one-off-\u0026-permanent-payment-links","depth":3,"children":[]},{"title":"Cancel and Successful redirects","slug":"cancel-and-successful-redirects","depth":3,"children":[]},{"title":"Update payment sessions","slug":"update-payment-sessions","depth":3,"children":[]}]}],"codeExamples":{}},"jsLinks":[],"subdomain":"sprintcheckout","siteName":"Sprintcheckout","title":"API integration - Sprintcheckout","navMaps":{"firstHrefInVersion":{},"firstHrefInLanguage":{}},"lastModified":"2026-01-25T11:20:21.148Z","originalFileLocation":"api-integration.mdx"},"headHtml":"\u003cscript data-mint-head>(function(){var d=document.documentElement,p=null;if(!p){try{p=localStorage.getItem(\"isDarkMode\")}catch(e){}if(p==='true')p='dark';else if(p==='false')p='light';if(p!=='light'\u0026\u0026p!=='dark'\u0026\u0026p!=='system')p=\"system\"}var r=p==='system'?(matchMedia(\"(prefers-color-scheme: dark)\").matches?'dark':'light'):p;d.classList.remove(r==='dark'?'light':'dark');d.classList.add(r);d.setAttribute(\"data-theme-preference\",p)})();\u003c/script>\u003cmeta data-mint-head name=\"description\" content=\"Introduction to get paid via direct API integration\">\u003cmeta data-mint-head name=\"application-name\" content=\"Sprintcheckout\">\u003cmeta data-mint-head name=\"generator\" content=\"Mintlify\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"192x192\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/android-chrome-192x192.png\" media=\"(prefers-color-scheme: light)\">\u003clink data-mint-head rel=\"apple-touch-icon\" type=\"image/png\" sizes=\"180x180\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/apple-touch-icon.png\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/favicon-16x16.png\" media=\"(prefers-color-scheme: light)\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"32x32\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/favicon-32x32.png\" media=\"(prefers-color-scheme: light)\">\u003clink data-mint-head rel=\"shortcut icon\" type=\"image/x-icon\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/favicon.ico\" media=\"(prefers-color-scheme: light)\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"192x192\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon-dark/android-chrome-192x192.png\" media=\"(prefers-color-scheme: dark)\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon-dark/favicon-16x16.png\" media=\"(prefers-color-scheme: dark)\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"32x32\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon-dark/favicon-32x32.png\" media=\"(prefers-color-scheme: dark)\">\u003clink data-mint-head rel=\"shortcut icon\" type=\"image/x-icon\" href=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon-dark/favicon.ico\" media=\"(prefers-color-scheme: dark)\">\u003cmeta data-mint-head property=\"og:title\" content=\"API integration - Sprintcheckout\">\u003cmeta data-mint-head property=\"og:description\" content=\"Introduction to get paid via direct API integration\">\u003cmeta data-mint-head property=\"og:site_name\" content=\"Sprintcheckout\">\u003cmeta data-mint-head property=\"og:url\" content=\"https://docs.sprintcheckout.com/api-integration\">\u003cmeta data-mint-head property=\"og:type\" content=\"website\">\u003cmeta data-mint-head property=\"og:image\" content=\"https://sprintcheckout.mintlify.app/_mintlify/api/og/v2?division=Products\u0026amp;title=API+integration\u0026amp;description=Introduction+to+get+paid+via+direct+API+integration\u0026amp;theme=cc4cb1a9592d9797a47f5874\u0026amp;signature=eae0872d05d82deaf5ea58a417af0313a53b6e5f4a23ba42368d7bb9fdd6ff0c\">\u003cmeta data-mint-head property=\"og:image:width\" content=\"1200\">\u003cmeta data-mint-head property=\"og:image:height\" content=\"630\">\u003cmeta data-mint-head name=\"twitter:card\" content=\"summary_large_image\">\u003cmeta data-mint-head name=\"twitter:title\" content=\"API integration - Sprintcheckout\">\u003cmeta data-mint-head name=\"twitter:description\" content=\"Introduction to get paid via direct API integration\">\u003cmeta data-mint-head name=\"twitter:image\" content=\"https://sprintcheckout.mintlify.app/_mintlify/api/og/v2?division=Products\u0026amp;title=API+integration\u0026amp;description=Introduction+to+get+paid+via+direct+API+integration\u0026amp;theme=cc4cb1a9592d9797a47f5874\u0026amp;signature=eae0872d05d82deaf5ea58a417af0313a53b6e5f4a23ba42368d7bb9fdd6ff0c\">\u003cmeta data-mint-head name=\"twitter:image:width\" content=\"1200\">\u003cmeta data-mint-head name=\"twitter:image:height\" content=\"630\">\u003cmeta data-mint-head name=\"msapplication-config\" content=\"/mintlify-assets/_mintlify/favicons/sprintcheckout/OT5Jvm0DkkdRzXg8/_generated/favicon/browserconfig.xml\">\u003cmeta data-mint-head name=\"apple-mobile-web-app-title\" content=\"Sprintcheckout\">\u003cmeta data-mint-head name=\"msapplication-TileColor\" content=\"#0D9373\">\u003clink data-mint-head rel=\"canonical\" href=\"https://docs.sprintcheckout.com/api-integration\">\u003clink data-mint-head rel=\"alternate\" type=\"application/xml\" href=\"/sitemap.xml\">\u003clink data-mint-head rel=\"alternate\" type=\"text/markdown\" href=\"/api-integration.md\">\u003cscript data-mint-head type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https://docs.sprintcheckout.com/#organization\",\"name\":\"Sprintcheckout\",\"url\":\"https://docs.sprintcheckout.com\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https://mintcdn.com/sprintcheckout/Uctu2g9oQF9GwBEr/logo/light.svg?fit=max\u0026auto=format\u0026n=Uctu2g9oQF9GwBEr\u0026q=85\u0026s=0663263d3e48c03ffc9efddc0cc47ab1\"}},{\"@type\":\"WebSite\",\"@id\":\"https://docs.sprintcheckout.com#website\",\"name\":\"Sprintcheckout\",\"url\":\"https://docs.sprintcheckout.com\",\"publisher\":{\"@id\":\"https://docs.sprintcheckout.com/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https://docs.sprintcheckout.com/api-integration#webpage\",\"url\":\"https://docs.sprintcheckout.com/api-integration\",\"name\":\"API integration\",\"description\":\"Introduction to get paid via direct API integration\",\"dateModified\":\"2026-01-25T11:20:21.148Z\",\"isPartOf\":{\"@id\":\"https://docs.sprintcheckout.com#website\"},\"breadcrumb\":{\"@id\":\"https://docs.sprintcheckout.com/api-integration#breadcrumb\"}},{\"@type\":\"BreadcrumbList\",\"@id\":\"https://docs.sprintcheckout.com/api-integration#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Products\",\"item\":\"https://docs.sprintcheckout.com/woocommerce\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"API integration\",\"item\":\"https://docs.sprintcheckout.com/api-integration\"}]},{\"@type\":[\"Article\",\"TechArticle\"],\"@id\":\"https://docs.sprintcheckout.com/api-integration#article\",\"headline\":\"API integration\",\"name\":\"API integration\",\"description\":\"Introduction to get paid via direct API integration\",\"url\":\"https://docs.sprintcheckout.com/api-integration\",\"mainEntityOfPage\":{\"@id\":\"https://docs.sprintcheckout.com/api-integration#webpage\"},\"dateModified\":\"2026-01-25T11:20:21.148Z\",\"publisher\":{\"@id\":\"https://docs.sprintcheckout.com/#organization\"},\"isPartOf\":{\"@id\":\"https://docs.sprintcheckout.com#website\"}}]}\u003c/script>\u003cscript data-mint-head type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@type\":\"WebSite\",\"name\":\"Sprintcheckout\",\"creator\":{\"@type\":\"Organization\",\"name\":\"Mintlify\",\"url\":\"https://mintlify.com\"}}\u003c/script>","siteName":"Sprintcheckout","nav":{"global":{"anchors":[{"anchor":"Website","href":"https://sprintcheckout.com","icon":"globe"}]},"tabs":[{"tab":"Documentation","groups":[{"group":"Get Started","pages":[{"title":"Overview","href":"/overview"}]},{"group":"Products","pages":[{"title":"WooCommerce","description":"Start accepting payments in a couple of minutes with Sprintcheckout WooCommerce plugin.","href":"/woocommerce"},{"title":"API integration","href":"/api-integration"},{"title":"Payment links","description":"Get paid sharing Sprintcheckout payment urls on your website, emails, chats,...","href":"/payment-links"},{"title":"x402 payment acceptance","href":"/x402-payment-acceptance"},{"title":"MCP server","href":"/mcp-server"}]},{"group":"Features","pages":[{"title":"Fiat autosettlement","href":"/autosettlement"},{"title":"One-click payments","iconType":"solid","href":"/one-click-payments"}]}]},{"tab":"API Reference","pages":[{"title":"API Reference","href":"/api-reference/sessions/quickstart"}]}]},"basePath":"","title":"API integration - Sprintcheckout","buildId":"dpl_345ReqzYaAjzS9QpeJemsKdb7KDj","deploymentId":"dpl_345ReqzYaAjzS9QpeJemsKdb7KDj","dynamics":[],"chunks":[]}