API Documentation Generator Tool

API Documentation Generator | Kloudbean Developer Tools

API Documentation Generator

Convert your API schema to professional documentation in multiple formats.

API Schema (JSON):

Generated Documentation:

How to Use the API Documentation Generator

Enter your API schema in JSON format in the input field. Select your preferred output format (HTML, Markdown, or JSON Schema) and click "Generate Documentation" to create professional API documentation.

Why API Documentation Matters

Well-structured API documentation is crucial for developer adoption and integration success. It serves as the primary interface between your API and developers, enabling them to understand and implement your services efficiently.

Supported Input Formats

This tool supports:

OpenAPI 3.0 specifications in JSON format
Custom API schema definitions with endpoints, methods, and parameters
Simplified API endpoint configurations for quick documentation
RESTful API schemas with comprehensive parameter documentation

Output Formats and Use Cases

Generate documentation in multiple formats for different use cases:

HTML: Ready-to-host documentation websites with styled formatting
Markdown: Perfect for GitHub repositories and documentation platforms
JSON Schema: Standardized format for API validation and tooling integration

Frequently Asked Questions

Q. What API schema formats are supported?
The tool primarily supports OpenAPI 3.0 JSON format and custom JSON schemas with endpoint definitions.

Q. Can I customize the documentation styling?
The HTML output includes basic styling. You can copy the generated HTML and modify the CSS to match your branding.

Q. Is the generated documentation SEO-friendly?
Yes, the HTML output includes proper heading structure and semantic markup for good SEO performance.

Q. Can I use this for GraphQL APIs?
This tool is optimized for REST APIs. For GraphQL, you'd need to adapt your schema to the REST format or use GraphQL-specific documentation tools.

Ready to deploy your API with professional documentation? Host with Kloudbean Today!

`; return html; } // Generate Markdown documentation function generateMarkdownDocumentation(schema) { const info = schema.info || {}; const baseUrl = schema.baseUrl || ''; const endpoints = schema.endpoints || []; let markdown = `# ${info.title || 'API Documentation'}\n\n`; markdown += `**Version:** ${info.version || '1.0.0'}\n\n`; markdown += `${info.description || 'API Documentation'}\n\n`; if (baseUrl) { markdown += `**Base URL:** \`${baseUrl}\`\n\n`; } markdown += `## Endpoints\n\n`; endpoints.forEach(endpoint => { const method = endpoint.method.toUpperCase(); markdown += `### ${method} ${endpoint.path}\n\n`; markdown += `${endpoint.summary || 'Endpoint'}\n\n`; markdown += `${endpoint.description || 'No description available.'}\n\n`; if (endpoint.parameters && endpoint.parameters.length > 0) { markdown += `#### Parameters\n\n`; markdown += `| Name | Type | In | Required | Description |\n`; markdown += `|------|------|----|---------|-----------|\n`; endpoint.parameters.forEach(param => { markdown += `| \`${param.name}\` | ${param.type || 'string'} | ${param.in || 'query'} | ${param.required ? 'Yes' : 'No'} | ${param.description || ''} |\n`; }); markdown += `\n`; } if (endpoint.responses) { markdown += `#### Responses\n\n`; Object.keys(endpoint.responses).forEach(statusCode => { const response = endpoint.responses[statusCode]; markdown += `**${statusCode}:** ${response.description || 'No description'}\n\n`; if (response.example) { markdown += `\`\`\`json\n${JSON.stringify(response.example, null, 2)}\n\`\`\`\n\n`; } }); } markdown += `---\n\n`; }); return markdown; } // Generate JSON Schema function generateJSONSchema(schema) { const jsonSchema = { "$schema": "http://json-schema.org/draft-07/schema#", "type": "object", "title": schema.info?.title || "API Schema", "description": schema.info?.description || "Generated API Schema", "version": schema.info?.version || "1.0.0", "baseUrl": schema.baseUrl || "", "properties": { "endpoints": { "type": "array", "items": { "type": "object", "properties": { "path": { "type": "string" }, "method": { "type": "string", "enum": ["GET", "POST", "PUT", "DELETE", "PATCH"] }, "summary": { "type": "string" }, "description": { "type": "string" }, "parameters": { "type": "array", "items": { "type": "object", "properties": { "name": { "type": "string" }, "type": { "type": "string" }, "in": { "type": "string", "enum": ["query", "path", "body", "header"] }, "required": { "type": "boolean" }, "description": { "type": "string" } }, "required": ["name", "type"] } }, "responses": { "type": "object", "patternProperties": { "^[0-9]{3}$": { "type": "object", "properties": { "description": { "type": "string" }, "example": { "type": "object" } } } } } }, "required": ["path", "method"] } } }, "example": schema }; return JSON.stringify(jsonSchema, null, 2); } // Update line numbers for input function updateLineNumbers() { const codeInput = document.getElementById('input-schema'); const lineNumbers = document.getElementById('line-numbers'); const lines = codeInput.value.split('\n'); const count = Math.max(lines.length, 1); let lineNumbersContent = ''; for (let i = 1; i <= count; i++) { lineNumbersContent += i + '\n'; } lineNumbers.innerText = lineNumbersContent; codeInput.style.height = 'auto'; codeInput.style.height = (codeInput.scrollHeight) + 'px'; } // Update line numbers for output function updateOutputLineNumbers() { const outputArea = document.getElementById('output-docs'); const lineNumbers = document.getElementById('output-line-numbers'); const lines = outputArea.value.split('\n'); const count = Math.max(lines.length, 1); let lineNumbersContent = ''; for (let i = 1; i <= count; i++) { lineNumbersContent += i + '\n'; } lineNumbers.innerText = lineNumbersContent; outputArea.style.height = 'auto'; outputArea.style.height = (outputArea.scrollHeight) + 'px'; } // Show status message function showStatus(message, status) { const statusDiv = document.getElementById('status-message'); statusDiv.textContent = message; statusDiv.className = `tool-status tool-${status}`; statusDiv.style.display = 'block'; setTimeout(() => { statusDiv.style.display = 'none'; }, 7000); } // Clear all content function clearAll() { document.getElementById('input-schema').value = ''; document.getElementById('output-docs').value = ''; document.getElementById('status-message').style.display = 'none'; updateLineNumbers(); updateOutputLineNumbers(); }

API Documentation Generator Tool