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Utilerio
All endpoints

JSON Validator

POST/api/v1/tools/json-validator

Check whether a document is valid JSON and get the line, column and reason when it is not.

Authentication

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

Try it

POST/api/v1/tools/json-validator

Parameters

jsonstringrequired

JSON text to validate.

Request body

{
  "json": "{\"a\":1}"
}

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-validator \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"json":"{\"a\":1}"}'

Response

{ "valid": true }