{"uid":"cap_OEEhrOOzmdQUxhBcsM5v6","slug":"sitesignal-public-json-api-response-shape-snapshot-220cfb56","name":"SiteSignal Public JSON API Response Shape Snapshot","description":"Inventory bounded observed key and type paths from one unauthenticated public JSON API response, with status and SHA-256 evidence but no raw values.","url":"https://obtain-incentive-exceptions-speakers.trycloudflare.com/x402/json-api-shape","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","required":["url"],"properties":{"url":{"type":"string","format":"uri"},"maxDepth":{"type":"integer","default":4,"maximum":6,"minimum":1},"maxPaths":{"type":"integer","default":50,"maximum":100,"minimum":1}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1klN8TZzmZXjIWp5MfPL-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Inventories key paths and value types from a public JSON API response, returning structural shape metadata with SHA-256 evidence but no raw values.","exampleAgentPrompt":"Snapshot the shape of this public JSON API — https://api.example.com/v1/products — show me all the key paths and their types up to depth 4, but don't include any actual values.","exampleUseCases":[{"title":"Audit third-party API before integrating","prompt":"Before we start building our integration with this weather service, can you inspect the shape of their public forecast endpoint at https://api.open-meteo.com/v1/forecast?latitude=52.52&longitude=13.41&current_weather=true and give me a map of all the key paths and types it returns, without showing me any actual values?"},{"title":"Document external API response schema","prompt":"I need to write up documentation for the public GitHub Gists API — can you snapshot the structure of https://api.github.com/gists/public and list every key path and its inferred type up to four levels deep, but leave out the raw values?"},{"title":"Verify API shape after upstream changes","prompt":"Our upstream data provider says they just updated their products endpoint — can you check whether the structure of https://fakestoreapi.com/products/1 has changed by mapping out all its key paths and types, and give me a SHA-256 fingerprint of the response so I can compare it to our last snapshot?"}],"resultDescription":"Returns an inventory of observed key paths and their inferred types from the JSON API response, along with HTTP status code and a SHA-256 hash of the response body as evidence. No raw field values are exposed. The shape is bounded by configurable depth and path count limits.","failureModes":["Target URL is not a valid public JSON endpoint — returns an error indicating non-JSON content type","Target URL requires authentication — returns a shape with minimal or no keys","Request depth or path count exceeds maximum limits (depth > 6, paths > 100) — returns validation error","Target URL is unreachable or returns non-2xx status — returns status code with empty or partial shape","URL format is invalid — schema validation error on input"],"whenToPreferThis":"Use this endpoint when you need to understand the structural shape of a public JSON API response without exposing sensitive raw values. Ideal for integration planning, API documentation, schema validation, or auditing third-party JSON endpoints. Prefer this over raw fetch tools when privacy or data minimization is important, or when you only need the type structure rather than actual data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:25:46.345Z","isFirstParty":false}