{"uid":"cap_Gp5gsoTI_VNxIrwXAubuM","slug":"changelog-state-api-openai-change-history-38568030","name":"Changelog State API – OpenAI Change History","description":"Detected changelog update history for one tracked vendor.","url":"https://changelog-state-api.replit.app/api/monitors/openai/changes","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"pathParams":{"type":"object","required":["slug"],"properties":{"slug":{"type":"string","pattern":"^[a-z0-9][a-z0-9-]*$","maxLength":64,"minLength":1,"description":"Vendor slug, lowercase alphanumeric with dashes."}}},"queryParams":{"type":"object","properties":{"type":{"enum":["new_release","version_changed","date_changed","title_changed","breaking_signal"],"type":"string","description":"Restrict to a single change type."},"limit":{"type":"integer","default":50,"maximum":200,"minimum":1,"description":"Maximum number of change rows to return."},"since":{"type":"string","format":"date-time","description":"Only return changes detected at or after this instant."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"enum":["json"],"type":"string"},"example":{"type":"object"}},"description":"Detected changelog update history (paid)"}},"description":"Call shape for GET /api/monitors/{slug}/changes."},"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_DKIfoyFFYpPBrrTOF28AM","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 detected changelog update history for the OpenAI vendor, filterable by change type, date, and limit.","exampleAgentPrompt":"Pull the OpenAI changelog change history from the Changelog State API — show me the last 50 changes, and filter to only new_release events detected since 2024-01-01T00:00:00Z.","exampleUseCases":[{"title":"Detect new OpenAI model releases","prompt":"Has OpenAI released any new models or versions recently? Pull me the latest new_release changes from the changelog tracker — limit it to the last 20 entries."},{"title":"Audit breaking changes for dependency update","prompt":"Before I upgrade my app's OpenAI dependency, can you pull all breaking_signal changes detected for OpenAI since 2024-06-01T00:00:00Z so I know what I'm dealing with?"},{"title":"Daily changelog monitoring digest","prompt":"Give me a digest of all OpenAI changelog changes detected in the last 24 hours — any type, up to 200 results — so I can review what's shifted overnight."}],"resultDescription":"A JSON array of detected changelog change records for the OpenAI vendor, each containing fields such as change type (new_release, version_changed, date_changed, title_changed, breaking_signal), detection timestamp, and relevant metadata about the change. Results are ordered by detection time and respect the limit and since filters provided.","failureModes":["Invalid vendor slug format returns a 400 or 404 error","Unsupported change type enum value causes a validation error","since parameter with malformed datetime string returns a 422 error","Payment not completed (x402 flow) results in a 402 Payment Required response","Limit exceeding 200 returns a validation error","No changes found within the given time window returns an empty array"],"whenToPreferThis":"Choose this endpoint when you need historical changelog change detection records for OpenAI specifically, with the ability to filter by change type (new_release, breaking_signal, etc.) or time window. Prefer this over general web search when you need structured, machine-readable changelog event history rather than raw HTML pages. Use this over a generic RSS feed when you need per-change-type filtering and programmatic access.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:32:12.471Z","isFirstParty":false}