Format Converter API

Development

Free JSON, CSV, and XML converter. Easily transform data formats with our intuitive online tool for developers.

Authentication

All API requests require a valid API key passed in the Authorization header as a Bearer token.

Rate Limit

100 requests per minute

Endpoints

1 endpoint available

Overview

The Format Converter API transforms data between JSON, CSV, and XML formats.

Supported Conversions

JSON to CSV, XML
CSV to JSON, XML
XML to JSON, CSV

Features

Handles nested objects and arrays
Automatic format detection for input
Preserves data structure during conversion
Pretty-printed output for readability

Endpoints

POST

/v1/tools/format-converter

Convert data between JSON, CSV, and XML formats

Request Body

Content-Type: application/json

Parameter	Type	Required	Description
data	string	Required	The input data to convert
inputFormat	string	Required	Input format: "json", "csv", or "xml"
outputFormat	string	Required	Output format: "json", "csv", or "xml"

Response Example

{
  "success": true,
  "data": {
    "convertedData": "<?xml version=\"1.0\"?>\\n<root>\\n    <item>\\n        <name>John</name>\\n        <age>30</age>\\n    </item>\\n</root>",
    "inputFormat": "json",
    "outputFormat": "xml"
  }
}

Error Codes

400

Bad Request - Invalid input format or malformed data

401

Unauthorized - Invalid or missing API key

429

Too Many Requests - Rate limit exceeded

500

Internal Server Error

Code Examples

curl -X POST https://api.opentools.ca/v1/tools/format-converter \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "data": "[{\"name\": \"John\", \"age\": 30}, {\"name\": \"Jane\", \"age\": 25}]",
    "inputFormat": "json",
    "outputFormat": "csv"
  }'

Ready to get started?

Create an API key to start using the Format Converter API.