API Request Builder
Build and generate API requests in multiple formats. Support for cURL, JavaScript Fetch, Axios, and Postman collections with authentication and custom headers.
How It Works
Privacy First
This api request builder processes your data entirely in your browser. No data is uploaded to any server, ensuring complete privacy and security.
Lightning Fast
Instant processing with real-time validation and error detection. No waiting, no delays - just immediate results.
Versatile Use Cases
- Testing REST APIs and web services during development
- Converting API documentation to executable requests
- Creating request templates for different environments
Mobile Friendly
Responsive design that works perfectly on all devices and screen sizes. Touch-friendly interface for mobile users.
Frequently Asked Questions
What authentication methods are supported?
Can I generate code for different programming languages?
How do I handle query parameters?
Can it handle file uploads and form data?
How do I test the generated requests?
Related Tools
Related tool
Format, validate, and beautify JSON/JSONC with key sorting, inline arrays, duplicate key detection, and rich error detailsβall locally.
Complete HTTP status code reference guide with detailed descriptions, usage examples, RFC references, and practical guidance for web developers and API designers.
Encode and decode URLs and URI components safely with various encoding options for web development.
Decode and validate JSON Web Tokens (JWT) with detailed header and payload inspection.