{"slug":"api-aiskills402-com-v1-skills-json-to-csv-flatten-file-441867","title":"JSON to CSV","host":"api.aiskills402.com","method":"GET","resource":"https://api.aiskills402.com/v1/skills/json-to-csv-flatten/file","category":"code","description":"JSON to CSV: Flatten Nested Records, Keep Every Value — Turns JSON that holds a list of records, with nested objects and arrays, into one flat CSV table that a standard parser reads, and answers with the CSV only, no code fence. Nested keys become dotted column names such as address.town, array elem","price_listed":0.03,"price_asked":0.03,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":356,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"headers":{"additionalProperties":{"type":"string"},"type":"object"},"method":{"enum":["GET","HEAD"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.03,"price_match":true,"latency_ms":356,"error":null}],"description_full":"JSON to CSV: Flatten Nested Records, Keep Every Value — Turns JSON that holds a list of records, with nested objects and arrays, into one flat CSV table that a standard parser reads, and answers with the CSV only, no code fence. Nested keys become dotted column names such as address.town, array elements become index columns such as tags.0 and tags.1, or one cell joined with a separator, or one row per element when asked to explode. Numbers are copied as the JSON token (1.10 stays 1.10, 1e5 stay…","last_updated":"2026-10-16T20:28:44.363Z","schemes":["exact"]}