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Utilerio
All endpoints

JSON to CSV

POST/api/v1/tools/json-to-csv

Flatten a JSON array into a CSV that opens cleanly in Excel.

Authentication

Requires an API key in the X-API-Key header.

Try it

POST/api/v1/tools/json-to-csv

Parameters

jsonstringrequired

JSON array of objects.

delimiterstringoptional

Field delimiter. Default comma.

,;\t
withBombooleanoptional

Prepend a UTF-8 BOM (Excel).

flattenbooleanoptional

Flatten nested objects. Default true.

Request body

{
  "json": "[{\"a\":1,\"b\":2}]"
}

Response codes

  • 200Success.
  • 400Invalid request — check your body or parameters.
  • 401Missing or invalid API key.
  • 403The API key is not scoped to this endpoint.
  • 429Rate limit exceeded — retry after a short wait.

Language

cURL

Request

curl -X POST https://utilerio.com/api/v1/tools/json-to-csv \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"json":"[{\"a\":1,\"b\":2}]"}'

Response

{ "csv": "a,b\n1,2", "rowCount": 1 }