{"uid":"cap_guwV1JwZw558o4YTwMT3Z","slug":"changelog-state-api-change-history-for-foundry-bbd85e51","name":"Changelog State API – Change History for Foundry","description":"Detected changelog update history for one tracked vendor.","url":"https://changelog-state-api.replit.app/api/monitors/foundry/changes?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":{"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_sCfirlVewoTfoe0ILF9fN","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 the detected changelog update history (change events) for the Foundry vendor, filterable by change type, date, and count.","exampleAgentPrompt":"Show me the last 50 changelog change events detected for Foundry, including any breaking signals or new releases, since January 1st 2025.","exampleUseCases":[{"title":"Breaking change alert for Foundry","prompt":"Have there been any breaking changes detected in Foundry's changelog in the past 30 days? Show me up to 20 results."},{"title":"Tracking Foundry version bumps","prompt":"Pull all version_changed events recorded for Foundry since March 1st 2025 — I want to know every time a version number shifted."},{"title":"New release monitoring for Foundry","prompt":"Check if Foundry has had any new releases logged in their changelog recently — filter to new_release events and give me the last 10."}],"resultDescription":"A JSON array of detected changelog change events for the Foundry vendor, each including the change type (e.g. new_release, version_changed, date_changed, title_changed, breaking_signal), the detection timestamp, and relevant metadata about what changed in the changelog.","failureModes":["Invalid or unknown vendor slug returns no data or an error","'since' timestamp in wrong format returns a validation error","Requesting a limit above 200 is rejected","If Foundry has no detected changes in the requested window, an empty result set is returned","Payment failure (x402) blocks access to results"],"whenToPreferThis":"Use this endpoint when you need the raw history of detected changelog mutations for the Foundry vendor specifically — particularly when you want to filter by change type (breaking signals, new releases, version bumps) or look at changes after a specific date. Prefer this over the 'recent releases' sibling endpoint when you need change-event-level granularity rather than structured release summaries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T18:39:56.426Z","isFirstParty":false,"canonicalSlug":"changelog-state-api-change-history-for-foundry-bbd85e51"}