Code Beautifier API

Development

Format and beautify your code, JSON, XML, and other formats with customizable options.

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 Code Beautifier API formats and beautifies code using Prettier with extensive customization options.

Supported Languages

JSON
HTML
XML (uses HTML parser)
JavaScript
TypeScript
CSS
Markdown
YAML
Auto-detect (based on content)

Use Cases

Format code before committing to repositories
Standardize code style across projects
Beautify minified or compressed code
Integrate code formatting into CI/CD pipelines

Endpoints

POST

/v1/tools/code-beautifier

Format and beautify code with customizable options

Request Body

Content-Type: application/json

Parameter	Type	Required	Description
code	string	Required	The code to format
language	string	Optional	Language: "auto", "json", "html", "xml", "javascript", "typescript", "css", "markdown", "yaml" (default: "auto")
options	object	Optional	Formatting options
options.printWidth	number	Optional	Line width (default: 80)
options.tabWidth	number	Optional	Spaces per indentation level (default: 2)
options.useTabs	boolean	Optional	Use tabs instead of spaces (default: false)
options.semi	boolean	Optional	Add semicolons (default: true)
options.singleQuote	boolean	Optional	Use single quotes (default: false)
options.trailingComma	string	Optional	Trailing commas: "none", "es5", "all" (default: "es5")
options.bracketSpacing	boolean	Optional	Spaces in object literals (default: true)
options.arrowParens	string	Optional	Arrow function parens: "avoid", "always" (default: "avoid")
options.proseWrap	string	Optional	Prose wrapping: "always", "never", "preserve" (default: "preserve")
options.htmlWhitespaceSensitivity	string	Optional	HTML whitespace: "css", "strict", "ignore" (default: "css")

Response Example

{
  "success": true,
  "data": {
    "formattedCode": "{\n  \"name\": \"example\",\n  \"version\": \"1.0.0\"\n}\n",
    "language": "json",
    "inputLength": 35,
    "outputLength": 42
  }
}

Error Codes

400

Bad Request - Missing code or invalid syntax

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/code-beautifier \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "code": "{"name":"example","version":"1.0.0"}",
    "language": "json",
    "options": {
      "tabWidth": 2,
      "printWidth": 80
    }
  }'

Ready to get started?

Create an API key to start using the Code Beautifier API.