{"slug":"agent402-tools-api-skill-schema-evolution-98db6d","title":"Bundled execution of the API contract drift check workflow","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/skill/schema-evolution","category":"code","description":"Bundled execution of the API contract drift check workflow - The 'did this API contract change in a way that breaks our integration?' workflow. Diff two OpenAPI snapshots structurally, lint the new one for agent-readiness regressions, extract the endpoint surface for inventory comparison, validate a","price_listed":0.008,"price_asked":0.008,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":930,"reported_calls_30d":3,"reported_payers_30d":1,"networks":["algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=","eip155:10","eip155:1329","eip155:137","eip155:143","eip155:42161","eip155:42220","eip155:43114","eip155:4663","eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","stellar:pubnet"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"newSpec":"{\"openapi\":\"3.0.3\",\"info\":{\"title\":\"Orders API\",\"version\":\"1.1.0\"},\"paths\":{\"/v1/orders\":{\"post\":{\"operationId\":\"createOrder\",\"requestBody\":{\"required\":true,\"content\":{\"application/json\":{\"schema\":{\"type\":\"object\",\"required\":[\"customerId\",\"currency\"],\"properties\":{\"customerId\":{\"type\":\"string\"},\"currency\":{\"type\":\"string\"}}}}}},\"responses\":{\"201\":{\"description\":\"created\"}}}}}}","oldSpec":"{\"openapi\":\"3.0.3\",\"info\":{\"title\":\"Orders API\",\"version\":\"1.0.0\"},\"paths\":{\"/v1/orders\":{\"post\":{\"operationId\":\"createOrder\",\"requestBody\":{\"required\":true,\"content\":{\"application/json\":{\"schema\":{\"type\":\"object\",\"required\":[\"customerId\"],\"properties\":{\"customerId\":{\"type\":\"string\"},\"currency\":{\"type\":\"string\"}}}}}},\"responses\":{\"201\":{\"description\":\"created\"}}}}}}"},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"newSpec":{"description":"the current OpenAPI snapshot as a JSON document (object or JSON string)","type":"string"},"oldSpec":{"description":"the prior OpenAPI snapshot as a JSON document (object or JSON string)","type":"string"}},"required":["oldSpec","newSpec"]},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"},"output":{"properties":{"example":{"properties":{"args":{"properties":{"newSpec":{"type":"string"},"oldSpec":{"type":"string"}},"type":"object"},"pack":{"type":"string"},"steps":{"items":{"properties":{"ok":{"type":"boolean"},"result":{"type":"object"},"slug":{"type":"string"}},"type":"object"},"type":"array"},"summary":{"type":"string"}},"required":["pack","args","steps","summary"],"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.008,"price_match":true,"latency_ms":930,"error":null}],"description_full":"Bundled execution of the API contract drift check workflow - The 'did this API contract change in a way that breaks our integration?' workflow. Diff two OpenAPI snapshots structurally, lint the new one for agent-readiness regressions, extract the endpoint surface for inventory comparison, validate a known-good payload against the new contract, and summarize security-relevant changes. Six tools, one go/no-go answer on whether the upstream API broke us.","last_updated":"2026-09-22T11:56:42.513Z","schemes":["exact","upto"]}