{"uid":"cap_8uNsX7ygq1DYl1igpLoNJ","slug":"ddg-schema-drift-verifier-937867b8","name":"DDG Schema Drift Verifier","description":"Machine-payable DDG services for AI agents. Current public live payment rails are x402 multi-chain USDC and direct-crypto auto/manual for public receiving-address families. MPP/Stripe/Tempo is installed but pending live provider env plus penny-settlement proof before any MPP-live advertisement. DDG sells bounded artifacts/results, not raw provider account access.","url":"https://agents.daedalusdevelopmentgroup.com/v1/verify/schema-drift?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"responseSchema":{"type":"json","example":{"ok":true}},"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_gjUSMoOQthAiCzRiPlfzq","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":"Verifies whether an HTTP request payload conforms to an expected schema or has drifted from a known contract","exampleAgentPrompt":"Can you run a schema drift check on this POST request — the body is JSON with fields like {\"userId\": \"abc123\", \"amount\": 42} — and verify whether it still conforms to the expected output schema where the example response is {\"ok\": true}?","exampleUseCases":[{"title":"API contract regression check","prompt":"I just updated my API and want to make sure the request body hasn't drifted from the agreed contract — can you verify this JSON POST body against the expected output schema where the example is {\"ok\": true}?"},{"title":"CI pipeline schema conformance gate","prompt":"Before we deploy, verify that our PATCH endpoint's JSON body {\"status\": \"active\", \"id\": \"xyz789\"} still conforms to the schema contract so we don't break downstream consumers."},{"title":"Third-party integration validation","prompt":"We're integrating with a vendor whose API sends form-data via POST — can you check whether their payload structure matches our expected output type and example response of {\"ok\": true} to catch any drift?"}],"resultDescription":"Returns a conformance result indicating whether the submitted HTTP request body and output match the expected schema contract, typically including an ok status flag and any drift or mismatch details.","failureModes":["Missing required 'input' or 'output' fields returns a validation error","Unsupported HTTP method (e.g. GET or DELETE) rejected by enum constraint","Mismatched bodyType enum value causes request rejection","Malformed or non-JSON body when bodyType is 'json' may cause parsing failure","Payment not fulfilled causes 402 response before processing begins"],"whenToPreferThis":"Use this endpoint when you need to detect schema drift or validate that an HTTP request payload and its expected output conform to a known contract, especially in agent-driven CI/CD pipelines or integration testing workflows where schema integrity is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T18:43:41.455Z","isFirstParty":false,"canonicalSlug":"ddg-schema-drift-verifier-937867b8"}