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Utilerio
All endpoints

YAML ↔ JSON Converter

POST/api/v1/tools/yaml-json-converter

Convert YAML to JSON or JSON to YAML instantly, right in your browser.

Authentication

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

Try it

POST/api/v1/tools/yaml-json-converter

Parameters

modestringoptional

Conversion direction. Default yamlToJson.

yamlToJsonjsonToYaml
inputstringrequired

YAML or JSON text, matching mode.

Request body

{
  "mode": "yamlToJson",
  "input": "name: Ada\nage: 36"
}

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/yaml-json-converter \
  -H "X-API-Key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{"mode":"yamlToJson","input":"name: Ada\nage: 36"}'

Response

{ "output": "{\n  \"name\": \"Ada\",\n  \"age\": 36\n}" }