{"slug":"agent402-tools-api-openapi-mock-response-f21712","title":"Synthesize a JSON response body for one operation + status code in an OpenAPI 3.","host":"agent402.tools","method":"POST","resource":"https://agent402.tools/api/openapi-mock-response","category":"code","description":"Synthesize a JSON response body for one operation + status code in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operationId or method+path. Pick the response by explicit `status`, else the first 2xx, else the first documented response. Generation precedence: operation-level `example`/","price_listed":0.001,"price_asked":0.001,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":944,"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":{"operationId":"getUser","spec":{"openapi":"3.0.0","paths":{"/users/{id}":{"get":{"operationId":"getUser","responses":{"200":{"content":{"application/json":{"schema":{"properties":{"active":{"example":true,"type":"boolean"},"id":{"example":"u_42","type":"string"},"name":{"example":"Alice","type":"string"},"roles":{"items":{"example":"admin","type":"string"},"type":"array"}},"type":"object"}}},"description":"ok"}}}}}}},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"properties":{"method":{"description":"HTTP method (use with `path` if no operationId)"},"operationId":{"description":"operationId to mock (preferred)"},"path":{"description":"Path template (use with `method` if no operationId)"},"spec":{"description":"OpenAPI/Swagger document (object or JSON string)"},"status":{"description":"Response status to mock (defaults to first 2xx)"}},"required":["spec"]},"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":{"contentType":{"type":"string"},"mock":{"properties":{"active":{"type":"boolean"},"id":{"type":"string"},"name":{"type":"string"},"roles":{"items":{"type":"string"},"type":"array"}},"type":"object"},"source":{"type":"string"},"status":{"type":"string"}},"required":["status","contentType","mock","source"],"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":0.001,"price_match":true,"latency_ms":944,"error":null}],"description_full":"Synthesize a JSON response body for one operation + status code in an OpenAPI 3.x or Swagger 2.x spec. Locate the operation by operationId or method+path. Pick the response by explicit `status`, else the first 2xx, else the first documented response. Generation precedence: operation-level `example`/`examples` > schema `example` > recursive type-inferred walk (objects walk properties, arrays return [mock(items)], enums return the first value, $ref is surfaced literally).","last_updated":"2026-09-21T11:12:12.775Z","schemes":["exact","upto"]}