{"uid":"cap_ZXhERCa4pLg1DfmaqgTVk","slug":"annalist-api-contract-monitor-ce6211d4","name":"Annalist API Contract Monitor","description":"One watched public API's contract record: current version, operation count and keys, deprecated operations, security schemes, and every dated change in the last 90 days with what broke. From the provider's published OpenAPI description, read daily. Without name=, lists the APIs we watch. Signed.","url":"https://api.annalist.dev/v1/apis/api?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"},"queryParams":{"type":"object","properties":{"name":{"type":"string","description":"the API, for example stripe, github, openai"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Zv-UtGjri1LJU9lb7NIYO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current contract record for a watched public API: version, operation count, deprecated operations, security schemes, and all breaking changes in the last 90 days, read daily from the provider's published OpenAPI spec.","exampleAgentPrompt":"Pull the current contract record for the Stripe API from Annalist — I want to see the version, operation count, any deprecated operations, and all breaking changes from the last 90 days.","exampleUseCases":[{"title":"Breaking change audit before upgrade","prompt":"Has the OpenAI API had any breaking changes in the last 90 days? I want to see the full change history before we upgrade our integration."},{"title":"Deprecated endpoint discovery","prompt":"Check the Annalist record for the Twilio API and tell me which operations have been deprecated — I need to know before our next release."},{"title":"List all monitored public APIs","prompt":"What public APIs does Annalist currently watch? Give me the full list so I can see if the ones we depend on are covered."}],"resultDescription":"A signed JSON record containing the API's current OpenAPI version, total operation count, list of deprecated operations, active security schemes, and a dated changelog of all changes (including breaking changes) observed in the past 90 days. If no name parameter is provided, returns the list of all APIs currently monitored by Annalist.","failureModes":["API name not found in the watched list — returns empty or error indicating the API is not monitored","API provider's OpenAPI spec temporarily unavailable — stale or missing data for recent days","Malformed name parameter — may return a 400 or empty result","Payment failure via x402 — call not executed if USDC payment cannot be processed"],"whenToPreferThis":"Use this endpoint when you need authoritative, daily-refreshed contract data for a well-known public API — including deprecation status, breaking change history, and security scheme details — sourced directly from the provider's published OpenAPI spec. Prefer this over manually fetching and diffing OpenAPI specs when you need a signed, structured changelog rather than raw spec files.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T18:38:41.408Z","isFirstParty":false,"canonicalSlug":"annalist-api-contract-monitor-ce6211d4"}