{"uid":"cap_ZgteetFjeb-B1jUh-su0Y","slug":"changelog-state-api-structured-recent-releases-for-a-vendor-90de9491","name":"Changelog State API – Structured Recent Releases for a Vendor","description":"Structured recent releases for one tracked vendor.","url":"https://changelog-state-api.replit.app/api/monitors/typescript?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["slug"],"properties":{"slug":{"type":"string","example":"openai","pattern":"^[a-z0-9][a-z0-9-]*$","maxLength":64,"minLength":1,"description":"Vendor slug, lowercase alphanumeric with dashes. Take one from GET /api/monitors and substitute it into the path: `{slug}` is a placeholder that names no vendor and never returns data. Worked example: GET /api/monitors/openai."}}},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","default":5,"maximum":50,"minimum":1,"description":"Maximum number of release entries to return on this page. The page size, not a total: use `cursor` to walk past it."},"cursor":{"type":"string","default":"","maxLength":512,"description":"Opaque next-page token, copied verbatim from `nextCursor` on the previous response for this same vendor. Omit it — or send the empty string — to start at the newest entry. It names a position in the newest-first order rather than an offset, so a page you have already read never shifts under you: an entry that arrives mid-walk takes the place its own publish date gives it — above the cursor, on ground you have already covered, or below it, still ahead of you — instead of renumbering every page behind it. It does not expire; a walk can be paused and resumed. Do not construct or edit one: a token that is malformed, or was issued for a different vendor, is refused with 400 and is never charged."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"enum":["json"],"type":"string"},"example":{"type":"object"}},"description":"Full structured recent releases (paid)"}},"description":"Call shape for GET /api/monitors/{slug}."},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ar6jTPp_wrLz_lJOwIk16","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paginated list of structured recent releases for a single tracked vendor, identified by its slug (e.g. 'typescript').","exampleAgentPrompt":"Can you fetch the 10 most recent structured releases for the TypeScript vendor from the Changelog State API?","exampleUseCases":[{"title":"Track TypeScript version history","prompt":"Pull the last 10 releases for TypeScript from the changelog tracker so I can see what versions have shipped recently."},{"title":"Paginate through release history","prompt":"Get me the next page of TypeScript changelog entries — here's the cursor from my last request: <cursor_value>."},{"title":"Monitor vendor releases in automation","prompt":"Fetch the 5 most recent structured release entries for TypeScript so my pipeline can check whether a new version dropped since yesterday."}],"resultDescription":"A JSON object containing an array of structured release entries for the requested vendor (each entry includes version, publish date, and release notes or summary), along with a 'nextCursor' token for paginating to older entries. If no more entries exist, nextCursor will be absent or empty.","failureModes":["404 if the vendor slug does not exist in the monitored list — must use a valid slug from GET /api/monitors","400 if the cursor token is malformed or was issued for a different vendor","Payment failure if the x402 payment header is missing or insufficient (the call is not charged on 400 errors)","Empty results array if the vendor has no recorded releases yet"],"whenToPreferThis":"Use this endpoint when you need structured, paginated release data for a specific vendor that is already tracked by the Changelog State API service. It is ideal for automation pipelines, changelog monitoring agents, or dashboards that need machine-readable release entries. Prefer it over scraping vendor websites directly when the vendor is in the supported monitor list. For discovering which vendors are available, first call GET /api/monitors.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:43:11.530Z","isFirstParty":false,"canonicalSlug":"changelog-state-api-structured-recent-releases-for-a-vendor-90de9491"}