Fired when updated data is available for existing transactions for a user’s merchant account. The webhook includes an array of transaction IDs for which there exists updated data. Call Get Transaction By ID when you receive this webhook event.
Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password. Use your client_id as the username and your secret as the password value.
{"docsConfig":{"theme":"mint","$schema":"https://mintlify.com/docs.json","name":"Knot","colors":{"primary":"#0F0E0E","light":"#D8D8D8","dark":"#0F0E0E"},"logo":{"light":"https://mintcdn.com/knot/VBuG2prLV3p6xOTo/logo/light.svg?fit=max\u0026auto=format\u0026n=VBuG2prLV3p6xOTo\u0026q=85\u0026s=fd06fd47577a90c8e224072b4be0e5dd","dark":"https://mintcdn.com/knot/VBuG2prLV3p6xOTo/logo/dark.svg?fit=max\u0026auto=format\u0026n=VBuG2prLV3p6xOTo\u0026q=85\u0026s=3ec182904f4fcae0296bd34329d1ffa0","href":"https://www.knotapi.com"},"favicon":"https://mintcdn.com/knot/VBuG2prLV3p6xOTo/favicon.svg?fit=max\u0026auto=format\u0026n=VBuG2prLV3p6xOTo\u0026q=85\u0026s=47782d8aa08991b4c5e03be1fb07dcd0","api":{"openapi":"api-reference/openapi.json"},"navbar":{"links":[{"href":"https://knotapi.com/careers","label":"We're hiring"}],"primary":{"type":"button","label":"Dashboard","href":"https://dashboard.knotapi.com"}},"footer":{"socials":{"linkedin":"https://www.linkedin.com/company/knotapi","x":"https://x.com/KnotAPIs"},"links":[{"header":"Products","items":[{"label":"CardSwitcher™","href":"https://www.knotapi.com/cardswitcher"},{"label":"TransactionLink™","href":"https://www.knotapi.com/txn-link"},{"label":"AgenticShopping™","href":"https://www.knotapi.com/agentic-shopping"},{"label":"AccountUpdater™","href":"https://www.knotapi.com/accountupdater"}]},{"header":"Use Cases","items":[{"label":"Personal Banking","href":"https://www.knotapi.com/personal-banking"},{"label":"Business Banking","href":"https://www.knotapi.com/business-banking"},{"label":"Merchants","href":"https://www.knotapi.com/merchants"},{"label":"BaaS","href":"https://www.knotapi.com/baas"}]},{"header":"Company","items":[{"label":"About Us","href":"https://www.knotapi.com/about-us"},{"label":"Trust Center","href":"https://trust.knotapi.com/"},{"label":"Contact","href":"https://www.knotapi.com/contact"},{"label":"Careers","href":"https://knotapi.com/careers"}]},{"header":"Legal","items":[{"label":"Terms \u0026 Conditions","href":"https://www.knotapi.com/terms"},{"label":"Privacy Policy","href":"https://www.knotapi.com/privacy"}]}]},"search":{"prompt":"Search or ask AI..."},"seo":{"organization":{"name":"Knot","url":"https://www.knotapi.com","sameAs":["https://www.linkedin.com/company/knotapi","https://x.com/KnotAPIs"]}},"fonts":{"heading":{"family":"Geist","weight":500},"body":{"family":"Geist","weight":400}},"styling":{"codeblocks":"system","latex":false},"integrations":{"segment":{"key":"2VQVWDiEQctuTfDIREdqA3l0KGlREyN5"}},"banner":{"content":"Build with AI in your IDE: install the [Knot skills](/ai/skills) and [MCP server](/ai/mcp-server).","dismissible":true},"errors":{"404":{"redirect":false,"title":"Hello there...","description":"This page doesn’t exist, but your next opportunity might 👀. Check out [open roles at Knot](https://knotapi.com/careers). Looking for documentation? Start at the [introduction](/), browse the [documentation index (llms.txt)](/llms.txt) or [sitemap](/sitemap.xml), or [contact Knot](https://www.knotapi.com/contact/)."}},"contextual":{"options":["assistant","copy","add-mcp","chatgpt","claude","cursor","vscode"],"display":"header"},"navigation":{"pages":[]}},"deployment":{"deploymentMetadataValue":{"subdomain":"knot","hasAudioNarration":true,"actualSubdomain":"knot","customDomains":["docs.knotapi.com"],"gitSource":{"type":"github","owner":"millionscard","repo":"knot-api-docs","deployBranch":"main","contentDirectory":"","isPrivate":true,"mountPath":"","label":""},"chroma":{"liveDeploymentHistoryId":"6ada2060f7b413b0bdc36c87","collectionId":"135a213d-7d45-4579-be18-027fbafb0e08","schemaVersion":"v3","latestBuiltDeploymentHistoryId":"6ada2060f7b413b0bdc36c87"},"feedback":{"edits":false,"thumbs":true,"issues":true,"agentFeedback":true},"entitlements":{"AI_CHAT":{"status":"ENABLED"},"WEB_MCP":{"status":"ENABLED"},"NARRATION":{"status":"ENABLED"}},"buildId":"6adbb6653f7cf1d32f8da8b7","clientVersion":"0.0.4021","searchFilterCounts":[{"language":"default","tag":"Docs","count":74},{"language":"default","tag":"API Reference","count":47},{"language":"default","tag":"Webhook Events","count":28},{"language":"default","tag":"CardSwitcher","count":17},{"language":"default","tag":"TransactionLink","count":16},{"language":"default","tag":"Merchant Account Linking","count":13},{"language":"default","tag":"SubscriptionManager","count":12},{"language":"default","tag":"SDK","count":11},{"language":"default","tag":"Shopping","count":9},{"language":"default","tag":"General","count":8}],"searchSettings":{"showContentSnippets":true,"isFiltersEnabled":false}},"assistantConfig":{"enableStarterQuestions":true,"enableContextualStarterQuestions":false,"deflection":{"enabled":true,"email":"product@knotapi.com"}},"basePath":"","hasChatPermissions":true,"hasWebMcpPermissions":true,"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":"pause-universal-search-reconcile","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":"per-site-search-delta","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":"editor-private-page-search","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":"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":"workos-enabled","enabled":true,"variant":{"name":"disabled","enabled":false,"feature_enabled":true},"impressionData":false}],"starterQuestions":[{"_id":"6900107fa0d9fd2c40a2a17e","deploymentId":"67259f59f39b3bc1a898c425","questionText":"How do I get a list of available merchants?","status":"active","generatedBy":"manual","createdAt":"2025-10-28T00:38:23.158Z","updatedAt":"2025-10-28T00:38:23.158Z","__v":0},{"_id":"69001016a0d9fd2c40a27dce","deploymentId":"67259f59f39b3bc1a898c425","questionText":"How do I send card data to Knot?","status":"active","generatedBy":"manual","createdAt":"2025-10-28T00:36:38.949Z","updatedAt":"2025-10-28T00:36:38.949Z","__v":0},{"_id":"69000fe3a0d9fd2c40a26975","deploymentId":"67259f59f39b3bc1a898c425","questionText":"How do I create a session?","status":"active","generatedBy":"manual","createdAt":"2025-10-28T00:35:47.577Z","updatedAt":"2025-10-28T00:35:47.577Z","__v":0}],"googleFontsInlined":true},"customCss":[{"filePath":"custom.css","content":"html[data-current-path=\"/api-reference/work-at-knot/apply\"] #sidebar{display:none}html[data-current-path=\"/api-reference/work-at-knot/apply\"] #content-area{margin-left:0;padding-left:0;max-width:100%}"}],"page":{"pagePath":"transaction-link/webhook-events/updated-transactions-available","slug":"/transaction-link/webhook-events/updated-transactions-available","pageMetadata":{"title":"UPDATED_TRANSACTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook updated_transactions_available","description":"Fired when updated data is available for existing transactions for a user's merchant account.","href":"/transaction-link/webhook-events/updated-transactions-available"},"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: \"Fired when updated data is available for existing transactions for a user’s merchant account.\"\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{jsx:_jsx,jsxs:_jsxs}=arguments[0];const{useMDXComponents:_provideComponents}=arguments[0];function _createMdxContent(props){const _components={a:`a`,p:`p`,..._provideComponents(),...props.components};return _jsxs(_components.p,{children:[`Fired when updated data is available for existing transactions for a user’s merchant account. The webhook includes an array of transaction IDs for which there exists updated data. Call `,_jsx(_components.a,{href:`/api-reference/products/transaction-link/get-by-id`,children:`Get Transaction By ID`}),` when you receive this webhook event.`]})}function MDXContent(props={}){const{wrapper:MDXLayout}={..._provideComponents(),...props.components};return MDXLayout?_jsx(MDXLayout,{...props,children:_jsx(_createMdxContent,{...props})}):_createMdxContent(props)}return{default:MDXContent}","frontmatter":{},"scope":{"codeStyling":"system","config":{},"pageMetadata":{"title":"UPDATED_TRANSACTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook updated_transactions_available","description":"Fired when updated data is available for existing transactions for a user's merchant account.","href":"/transaction-link/webhook-events/updated-transactions-available"}}},"mdxSourceWithNoJs":null},"mdxExtracts":{"tableOfContents":[],"codeExamples":{}},"jsLinks":[],"narration":{"path":"transaction-link/webhook-events/updated-transactions-available","locale":"en","estimatedDurationSec":16},"openApiReferenceData":{"operation":{"summary":"UPDATED_TRANSACTIONS_AVAILABLE","description":"Fired when updated data is available for existing transactions for a user's merchant account.","requestBody":"71421a2a-c5be-4711-aa26-44f2db35dba1","method":"post","type":"webhook","servers":["6b9901c7-82d0-40d4-9716-3747869a3e94"],"security":["2c7e4c2a-a79b-42a8-99a3-0f1e206b9c54"],"path":"updated_transactions_available","baseUrlOptions":["https://development.knotapi.com"],"title":"UPDATED_TRANSACTIONS_AVAILABLE","codeSamples":[],"requiredOnlyExamples":false,"requestExamples":[{"language":"json","filename":"Example","code":"{\n \"event\": \"UPDATED_TRANSACTIONS_AVAILABLE\",\n \"external_user_id\": \"123abc\",\n \"merchant\": {\n \"id\": 36,\n \"name\": \"Uber Eats\"\n },\n \"updated\": [\n {\n \"id\": \"13da3c28-a068-4642-9ce2-b730cfda5f5f\"\n }\n ],\n \"timestamp\": 1710864923198\n}"}],"requestExampleType":"webhook","responseExampleType":"generated"},"dependencies":{"parameters":{},"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"event":{"type":"string","description":"Name of the webhook event.","example":"UPDATED_TRANSACTIONS_AVAILABLE","uniqueKey":"event","typeLabel":"string"},"external_user_id":{"type":"string","description":"Unique identifier for the user.","example":"123abc","uniqueKey":"external_user_id","typeLabel":"string"},"merchant":{"type":"object","properties":{"id":{"type":"integer","description":"Unique identifier for the merchant.","example":36,"uniqueKey":"merchant.id","typeLabel":"integer"},"name":{"type":"string","description":"Name of the merchant.","example":"Uber Eats","uniqueKey":"merchant.name","typeLabel":"string"}},"uniqueKey":"merchant","typeLabel":"object"},"updated":{"type":"array","description":"Array of transaction UUIDs.","items":{"type":"object","properties":{"id":{"type":"string","description":"UUID for the transaction.","example":"13da3c28-a068-4642-9ce2-b730cfda5f5f","uniqueKey":"updated.items.[INDEX].id","typeLabel":"string"}},"uniqueKey":"updated.items.[INDEX]","typeLabel":"object"},"uniqueKey":"updated","typeLabel":"object[]"},"timestamp":{"type":"integer","description":"Unix timestamp of the webhook event in UTC.","example":1710864923198,"uniqueKey":"timestamp","typeLabel":"integer"}},"uniqueKey":"","typeLabel":"object"},"examples":{"Example":{"title":"Example","value":{"event":"UPDATED_TRANSACTIONS_AVAILABLE","external_user_id":"123abc","merchant":{"id":36,"name":"Uber Eats"},"updated":[{"id":"13da3c28-a068-4642-9ce2-b730cfda5f5f"}],"timestamp":1710864923198}}},"exampleType":"generated"}},"exampleType":"generated"},"responses":{},"security":{"2c7e4c2a-a79b-42a8-99a3-0f1e206b9c54":{"basicAuth":{"type":"http","scheme":"basic","description":"Basic authentication header of the form `Basic \u003cencoded-value>`, where `\u003cencoded-value>` is the base64-encoded string `username:password`. Use your `client_id` as the `username` and your `secret` as the `password` value.","scopes":[],"schemeName":"basicAuth"}}},"servers":{"6b9901c7-82d0-40d4-9716-3747869a3e94":{"url":"https://development.knotapi.com","description":"Development server"}},"processedSecurityOptions":[{"schemes":[{"scheme":{"type":"http","scheme":"basic","description":"Basic authentication header of the form `Basic \u003cencoded-value>`, where `\u003cencoded-value>` is the base64-encoded string `username:password`. Use your `client_id` as the `username` and your `secret` as the `password` value.","scopes":[],"schemeName":"basicAuth"},"schema":{"title":"Basic Auth","type":"object","description":"Basic authentication header of the form `Basic \u003cencoded-value>`, where `\u003cencoded-value>` is the base64-encoded string `username:password`. Use your `client_id` as the `username` and your `secret` as the `password` value.","isRequired":true,"properties":{"username":{"type":"string","uniqueKey":"username","isRequired":true,"typeLabel":"string","deprecated":false},"password":{"type":"string","uniqueKey":"password","isRequired":true,"typeLabel":"string","deprecated":false}},"additionalProperties":false,"deprecated":false},"schemeName":"basicAuth","name":"Authorization"}],"title":"basicAuth"}]},"originalFileLocation":"api-reference/openapi.json"},"subdomain":"knot","siteName":"Knot","title":"UPDATED_TRANSACTIONS_AVAILABLE - Knot","navMaps":{"firstHrefInVersion":{},"firstHrefInLanguage":{}},"lastModified":"2026-01-27T20:19:47.054Z","originalFileLocation":"transaction-link/webhook-events/updated-transactions-available.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=\"Fired when updated data is available for existing transactions for a user\u0026#x27;s merchant account.\">\u003cmeta data-mint-head name=\"application-name\" content=\"Knot\">\u003cmeta data-mint-head name=\"generator\" content=\"Mintlify\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"192x192\" href=\"/mintlify-assets/_mintlify/favicons/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_generated/favicon/apple-touch-icon.png\">\u003clink data-mint-head rel=\"icon\" type=\"image/png\" sizes=\"16x16\" href=\"/mintlify-assets/_mintlify/favicons/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_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/knot/X2cfOEMCNQ4RTMjp/_generated/favicon-dark/favicon.ico\" media=\"(prefers-color-scheme: dark)\">\u003cmeta data-mint-head property=\"og:title\" content=\"UPDATED_TRANSACTIONS_AVAILABLE - Knot\">\u003cmeta data-mint-head property=\"og:description\" content=\"Fired when updated data is available for existing transactions for a user\u0026#x27;s merchant account.\">\u003cmeta data-mint-head property=\"og:site_name\" content=\"Knot\">\u003cmeta data-mint-head property=\"og:url\" content=\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available\">\u003cmeta data-mint-head property=\"og:type\" content=\"website\">\u003cmeta data-mint-head property=\"og:image\" content=\"https://knot.mintlify.app/_mintlify/api/og/v2?division=Webhook+Events\u0026amp;title=UPDATED_TRANSACTIONS_AVAILABLE\u0026amp;description=Fired+when+updated+data+is+available+for+existing+transactions+for+a+user%27s+merchant+account.\u0026amp;theme=c2017d1867bb9f3af1e4a591\u0026amp;signature=99a98d7b2de8127f9619aac2f1054c5c8073fa66e2fb8e7704fa2e8a00038ac3\">\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=\"UPDATED_TRANSACTIONS_AVAILABLE - Knot\">\u003cmeta data-mint-head name=\"twitter:description\" content=\"Fired when updated data is available for existing transactions for a user\u0026#x27;s merchant account.\">\u003cmeta data-mint-head name=\"twitter:image\" content=\"https://knot.mintlify.app/_mintlify/api/og/v2?division=Webhook+Events\u0026amp;title=UPDATED_TRANSACTIONS_AVAILABLE\u0026amp;description=Fired+when+updated+data+is+available+for+existing+transactions+for+a+user%27s+merchant+account.\u0026amp;theme=c2017d1867bb9f3af1e4a591\u0026amp;signature=99a98d7b2de8127f9619aac2f1054c5c8073fa66e2fb8e7704fa2e8a00038ac3\">\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/knot/X2cfOEMCNQ4RTMjp/_generated/favicon/browserconfig.xml\">\u003cmeta data-mint-head name=\"apple-mobile-web-app-title\" content=\"Knot\">\u003cmeta data-mint-head name=\"msapplication-TileColor\" content=\"#0F0E0E\">\u003clink data-mint-head rel=\"canonical\" href=\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available\">\u003clink data-mint-head rel=\"alternate\" type=\"application/xml\" href=\"/sitemap.xml\">\u003clink data-mint-head rel=\"alternate\" type=\"text/markdown\" href=\"/transaction-link/webhook-events/updated-transactions-available.md\">\u003cscript data-mint-head type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https://www.knotapi.com/#organization\",\"name\":\"Knot\",\"url\":\"https://www.knotapi.com\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https://mintcdn.com/knot/VBuG2prLV3p6xOTo/logo/light.svg?fit=max\u0026auto=format\u0026n=VBuG2prLV3p6xOTo\u0026q=85\u0026s=fd06fd47577a90c8e224072b4be0e5dd\"},\"sameAs\":[\"https://www.linkedin.com/company/knotapi\",\"https://x.com/KnotAPIs\"]},{\"@type\":\"WebSite\",\"@id\":\"https://docs.knotapi.com#website\",\"name\":\"Knot\",\"url\":\"https://docs.knotapi.com\",\"publisher\":{\"@id\":\"https://www.knotapi.com/#organization\"}},{\"@type\":\"WebPage\",\"@id\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available#webpage\",\"url\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available\",\"name\":\"UPDATED_TRANSACTIONS_AVAILABLE\",\"description\":\"Fired when updated data is available for existing transactions for a user's merchant account.\",\"dateModified\":\"2026-01-27T20:19:47.054Z\",\"isPartOf\":{\"@id\":\"https://docs.knotapi.com#website\"},\"breadcrumb\":{\"@id\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available#breadcrumb\"}},{\"@type\":\"BreadcrumbList\",\"@id\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"TransactionLink\",\"item\":\"https://docs.knotapi.com/use-cases/upcoming-charge-funding-alert\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Webhook Events\",\"item\":\"https://docs.knotapi.com/transaction-link/webhook-events/new-transactions-available\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"UPDATED_TRANSACTIONS_AVAILABLE\",\"item\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available\"}]},{\"@type\":[\"TechArticle\",\"APIReference\"],\"@id\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available#apireference\",\"headline\":\"UPDATED_TRANSACTIONS_AVAILABLE\",\"name\":\"UPDATED_TRANSACTIONS_AVAILABLE\",\"description\":\"Fired when updated data is available for existing transactions for a user's merchant account.\",\"url\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available\",\"mainEntityOfPage\":{\"@id\":\"https://docs.knotapi.com/transaction-link/webhook-events/updated-transactions-available#webpage\"},\"dateModified\":\"2026-01-27T20:19:47.054Z\",\"publisher\":{\"@id\":\"https://www.knotapi.com/#organization\"},\"isPartOf\":{\"@id\":\"https://docs.knotapi.com#website\"}}]}\u003c/script>\u003cscript data-mint-head type=\"application/ld+json\">{\"@context\":\"https://schema.org\",\"@type\":\"WebSite\",\"name\":\"Knot\",\"creator\":{\"@type\":\"Organization\",\"name\":\"Mintlify\",\"url\":\"https://mintlify.com\"}}\u003c/script>","siteName":"Knot","nav":{"global":null,"tabs":[{"tab":"Docs","groups":[{"group":"General","pages":[{"title":"Knot API Documentation","sidebarTitle":"Introduction","mode":"frame","href":""},{"title":"Skills","href":"/ai/skills"},{"title":"MCP server","href":"/ai/mcp-server"},{"group":"Dashboard","pages":[{"title":"Overview","href":"/dashboard/overview"},{"title":"Single sign-on","href":"/dashboard/single-sign-on"}]},{"title":"Webhooks","href":"/webhooks"},{"title":"Launch checklist","href":"/launch-checklist"},{"title":"Localization","href":"/localization"}]},{"group":"SDK","pages":[{"title":"Introduction","href":"/sdk/introduction"},{"title":"iOS SDK","href":"/sdk/ios"},{"title":"Android SDK","href":"/sdk/android"},{"title":"React Native SDK","href":"/sdk/react-native"},{"title":"Flutter SDK","href":"/sdk/flutter"},{"title":"Web SDK","href":"/sdk/web"},{"group":"Migration Guides","pages":[{"title":"iOS version 1.0+","href":"/sdk/migration-guides/ios/ios-1-0"},{"title":"Android version 2.0+","href":"/sdk/migration-guides/android/android-2-0"},{"title":"React Native version 1.0+","href":"/sdk/migration-guides/react-native/react-native-1-0"},{"title":"Flutter version 1.0+","href":"/sdk/migration-guides/flutter/flutter-1-0"},{"title":"Web version 1.0+","href":"/sdk/migration-guides/web/web-1-0"}]}]},{"group":"CardSwitcher","pages":[{"title":"Quickstart","href":"/card-switcher/quickstart"},{"group":"Webhook Events","pages":[{"title":"CARD_UPDATED","openapi":"api-reference/openapi.json webhook card_updated","href":"/card-switcher/webhook-events/card-updated"},{"title":"CARD_FAILED","openapi":"api-reference/openapi.json webhook card_failed","href":"/card-switcher/webhook-events/card-failed"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","href":"/link/webhook-events/authenticated"},{"title":"MERCHANT_STATUS_UPDATE","openapi":"api-reference/openapi.json webhook merchant_status_update","href":"/link/webhook-events/merchant-status-update"}]},{"title":"Testing","href":"/card-switcher/testing"},{"title":"Sending card data","href":"/card-switcher/sending-card-data"},{"title":"Knot Zero","href":"/card-switcher/knot-zero"},{"title":"Personalization","href":"/card-switcher/personalization"},{"title":"Server-side updates","href":"/card-switcher/card-updater"},{"group":"Processor \u0026 Digital Banking Integrations","pages":[{"title":"Unit","href":"/card-switcher/processor-digital-banking-integrations/unit"},{"title":"I2C","href":"/card-switcher/processor-digital-banking-integrations/i2c"},{"title":"Q2","href":"/card-switcher/processor-digital-banking-integrations/q2"}]},{"title":"Plaid integration","href":"/card-switcher/plaid-integration"}]},{"group":"SubscriptionManager","pages":[{"title":"Quickstart","href":"/subscription-manager/quickstart"},{"group":"Webhook Events","pages":[{"title":"CARD_UPDATED","openapi":"api-reference/openapi.json webhook card_updated","href":"/card-switcher/webhook-events/card-updated"},{"title":"NEW_SUBSCRIPTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook new_subscriptions_available","href":"/subscription-manager/webhook-events/new-subscriptions-available"},{"title":"UPDATED_SUBSCRIPTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook updated_subscriptions_available","href":"/subscription-manager/webhook-events/updated-subscriptions-available"},{"title":"CANCELLATION_SUCCEEDED","openapi":"api-reference/openapi.json webhook cancellation_succeeded","href":"/subscription-manager/webhook-events/cancellation-succeeded"},{"title":"CANCELLATION_FAILED","openapi":"api-reference/openapi.json webhook cancellation_failed","href":"/subscription-manager/webhook-events/cancellation-failed"}]}]},{"group":"TransactionLink","pages":[{"group":"Use Cases","root":{"title":"Knot use case gallery for banking and fintech apps","sidebarTitle":"Use cases","mode":"default","href":"/use-cases/gallery"},"pages":[{"title":"Upcoming subscription charge funding alerts","href":"/use-cases/upcoming-charge-funding-alert"},{"title":"Enrich transactions with SKU-level purchase details","href":"/use-cases/enrich-transaction-details"},{"title":"Dispute deflection","href":"/use-cases/dispute-deflection"},{"title":"Personalized dining deals","href":"/use-cases/personalized-dining-deals"},{"title":"Post-purchase price adjustment refunds with Knot","href":"/use-cases/post-purchase-price-adjustment"},{"title":"Store brand alternative savings","href":"/use-cases/store-brand-alternative-savings"},{"title":"Cross-merchant savings","href":"/use-cases/cross-merchant-savings"},{"title":"Shopping list","href":"/use-cases/shopping-list"}]},{"title":"Quickstart","href":"/transaction-link/quickstart"},{"group":"Webhook Events","pages":[{"title":"NEW_TRANSACTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook new_transactions_available","description":"Fired when new transactions for a user's merchant account are available.","href":"/transaction-link/webhook-events/new-transactions-available"},{"title":"UPDATED_TRANSACTIONS_AVAILABLE","openapi":"api-reference/openapi.json webhook updated_transactions_available","href":"/transaction-link/webhook-events/updated-transactions-available"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","description":"Fired when the authentication to a merchant is successful.","href":"/link/webhook-events/authenticated"},{"title":"MERCHANT_STATUS_UPDATE","openapi":"api-reference/openapi.json webhook merchant_status_update","href":"/link/webhook-events/merchant-status-update"},{"title":"ACCOUNT_LOGIN_REQUIRED","openapi":"api-reference/openapi.json webhook account_login_required","href":"/link/webhook-events/account-login-required"}]},{"title":"Testing","href":"/transaction-link/testing"}]},{"group":"Detect","pages":[{"title":"Quickstart","href":"/detect/quickstart"},{"group":"Webhook Events","pages":[{"title":"NEW_DETECTED_ACCOUNTS_AVAILABLE","openapi":"api-reference/openapi.json webhook new_detected_accounts_available","href":"/detect/webhook-events/new-detected-accounts-available"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","href":"/link/webhook-events/authenticated"}]}]},{"group":"Vaulting","pages":[{"title":"Quickstart","href":"/vaulting/quickstart"},{"group":"Webhook Events","pages":[{"title":"VAULTING_SUCCEEDED","openapi":"api-reference/openapi.json webhook vaulting_succeeded","href":"/vaulting/webhook-events/vaulting-succeeded"},{"title":"VAULTING_FAILED","openapi":"api-reference/openapi.json webhook vaulting_failed","href":"/vaulting/webhook-events/vaulting-failed"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","href":"/link/webhook-events/authenticated"},{"title":"MERCHANT_STATUS_UPDATE","openapi":"api-reference/openapi.json webhook merchant_status_update","href":"/link/webhook-events/merchant-status-update"}]},{"title":"Testing","href":"/vaulting/testing"}]},{"group":"Shopping","pages":[{"title":"Quickstart","href":"/shopping/quickstart"},{"group":"Webhook Events","pages":[{"title":"SYNC_CART_SUCCEEDED","openapi":"api-reference/openapi.json webhook sync_cart_succeeded","href":"/shopping/webhook-events/sync-cart-succeeded"},{"title":"SYNC_CART_FAILED","openapi":"api-reference/openapi.json webhook sync_cart_failed","href":"/shopping/webhook-events/sync-cart-failed"},{"title":"CHECKOUT_SUCCEEDED","openapi":"api-reference/openapi.json webhook checkout_succeeded","href":"/shopping/webhook-events/checkout-succeeded"},{"title":"CHECKOUT_FAILED","openapi":"api-reference/openapi.json webhook checkout_failed","href":"/shopping/webhook-events/checkout-failed"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","href":"/link/webhook-events/authenticated"},{"title":"MERCHANT_STATUS_UPDATE","openapi":"api-reference/openapi.json webhook merchant_status_update","href":"/link/webhook-events/merchant-status-update"},{"title":"ACCOUNT_LOGIN_REQUIRED","openapi":"api-reference/openapi.json webhook account_login_required","href":"/link/webhook-events/account-login-required"}]},{"title":"Testing","href":"/shopping/testing"}]},{"group":"Merchant Account Linking","pages":[{"group":"Webhook Events","pages":[{"title":"CREDENTIALS_FAILED","openapi":"api-reference/openapi.json webhook credentials_failed","href":"/link/webhook-events/credentials-failed"},{"title":"OTP_REQUIRED","openapi":"api-reference/openapi.json webhook otp_required","href":"/link/webhook-events/otp-required"},{"title":"OTP_FAILED","openapi":"api-reference/openapi.json webhook otp_failed","href":"/link/webhook-events/otp-failed"},{"title":"QUESTIONS_REQUIRED","openapi":"api-reference/openapi.json webhook questions_required","href":"/link/webhook-events/questions-required"},{"title":"QUESTIONS_FAILED","openapi":"api-reference/openapi.json webhook questions_failed","href":"/link/webhook-events/questions-failed"},{"title":"DOB_REQUIRED","openapi":"api-reference/openapi.json webhook dob_required","href":"/link/webhook-events/dob-required"},{"title":"DOB_FAILED","openapi":"api-reference/openapi.json webhook dob_failed","href":"/link/webhook-events/dob-failed"},{"title":"LICENSE_REQUIRED","openapi":"api-reference/openapi.json webhook license_required","href":"/link/webhook-events/license-required"},{"title":"LICENSE_FAILED","openapi":"api-reference/openapi.json webhook license_failed","href":"/link/webhook-events/license-failed"},{"title":"LOGIN_APPROVAL","openapi":"api-reference/openapi.json webhook login_approval","href":"/link/webhook-events/login-approval"},{"title":"AUTHENTICATED","openapi":"api-reference/openapi.json webhook authenticated","href":"/link/webhook-events/authenticated"},{"title":"MERCHANT_STATUS_UPDATE","openapi":"api-reference/openapi.json webhook merchant_status_update","href":"/link/webhook-events/merchant-status-update"}]},{"title":"Retrieving and listing merchants","href":"/link/retrieving-and-listing-merchants"}]}]},{"tab":"API Reference","pages":[{"title":"API Reference","href":"/api-reference/authentication"}]},{"tab":"Changelog","pages":[{"title":"Changelog","href":"/changelog/product-updates"}]}]},"title":"UPDATED_TRANSACTIONS_AVAILABLE - Knot","buildId":"dpl_EnxDqhjaNc9a8MVa833TGULPd9uJ","deploymentId":"dpl_EnxDqhjaNc9a8MVa833TGULPd9uJ","dynamics":["10e4515597","c2aa737661","2b790eda92","2bfc744e19","b0f84f53ff","a9bb46feb3"],"chunks":["BannerMarkdown-m8-xYP3Y.js","dist-1ms6tsT-.js","lib-DuNMoZ05.js","lib-B8HbPgcC.js","clsx-DMKzROTp.js","html-void-elements-mCSPHezU.js","katex-YMM-FMeD.js","marked.esm-CZWythHk.js","OpenApiReferenceProvider-26-lDe7V.js","utils-CWQmgYtH.js","cloneDeep-izs3Hzxb.js","_Uint8Array-BVIqJ90l.js","isObjectLike-C8vmzPEN.js","isArray-Dcu1dQ5t.js","utils-4-Aw3rSD.js","toString-BX-iyh8G.js","isSymbol-CSH9U2Gm.js","addUniqueKeysToSchema-C2zjXYA5.js","snippetPresets-DFmpFA7C.js","style-to-object-BY3JEAdk.js","v4-DIgz8zy6.js","ApiExamples-FJpQavWq.js","isEqual-BfaiBbcl.js","usePlaygroundInputsStore-D_GvPF7k.js","shallow-Bs2ZB0NO.js","getApiPlaygroundDisplay-DCcqJJk-.js","CodeSnippet-DzDxawVe.js","CodeSnippets-aUr7fU-7.js","NarrationPlayer-CALW4h7b.js","types-CiTgMxws.js","Page-CT9uE8Ip.js","getPastedJson-Y1fKsj_I.js","icon-DI4zTsDr.js","MethodPill-C0nDlmSQ.js","DuplicateIcon-NUXbx2nQ.js","createIcon-BdTHrPAi.js","DynamicMarkdown-CtpgKJwj.js","SectionHeading-B3x35tOt.js","axios-vUo_bRtp.js","Markdown-3OmurJMP.js","AssistantPageLink-Ke9xIMFx.js"]}