{"uid":"cap_gC2ER9vU1vr9J830k3gnd","slug":"changelog-state-api-change-history-for-anthropic-5a3e1160","name":"Changelog State API – Change History for Anthropic","description":"Detected changelog update history for one tracked vendor.","url":"https://changelog-state-api.replit.app/api/monitors/anthropic/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_GzfEW7xqgN12cXJXT_61o","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 (new releases, version changes, date changes, title changes, breaking signals) for the Anthropic vendor.","exampleAgentPrompt":"Can you pull the detected changelog change history for Anthropic — show me up to 50 entries, and filter to only new_release events since last Monday?","exampleUseCases":[{"title":"Breaking change alert for Anthropic API","prompt":"Check Anthropic's changelog history for any breaking_signal changes detected in the last 7 days and let me know what came up."},{"title":"Tracking Anthropic version bumps over time","prompt":"Fetch the last 100 detected version_changed events from Anthropic's changelog so I can see how frequently they've been bumping versions."},{"title":"Monitoring Anthropic releases for integration updates","prompt":"Pull all new_release entries from Anthropic's changelog that were detected since January 1st, 2025 — I want to see what I may have missed."}],"resultDescription":"A JSON array of detected changelog change records for Anthropic, each including the change type (new_release, version_changed, date_changed, title_changed, or breaking_signal), detection timestamp, and relevant metadata about the detected update. Results are bounded by the requested limit and optional since/type filters.","failureModes":["Invalid or unknown vendor slug returns a 404 or empty result","Malformed since date-time format causes a 400 validation error","Requesting a limit outside 1–200 range returns a validation error","No changes found for the given filters returns an empty array","Payment failure or missing x402 payment header results in a 402 error","Service unavailability on the Replit host returns a 503 or timeout"],"whenToPreferThis":"Choose this endpoint when you need a historical log of all detected changelog changes for Anthropic specifically, especially when you want to filter by change type (e.g. only breaking changes or new releases) or query changes since a specific point in time. Prefer this over a general releases endpoint when you want the full detection event history rather than just structured release summaries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:45:18.549Z","isFirstParty":false}