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API Request Builder

Build and test HTTP API requests

100% Private: All processing happens in your browser. No data is sent to any server.

CORS Note

Due to browser security (CORS), some APIs may not work directly from this tool. If you encounter CORS errors, the API needs to allow requests from this domain, or you can use a CORS proxy for testing purposes.

What is API Request Builder?

API Request Builder is a developer utility designed to speed up common development tasks. Access reference information and perform quick operations without leaving your workflow.

How to Use

  1. Enter or paste your data into the API Request Builder input field
  2. The tool processes your input automatically in real-time
  3. View the results instantly without any delays
  4. Copy the output with a single click
  5. Use the result in your project or workflow

Common Use Cases

  • Quick reference lookups
  • API development
  • Debugging and testing
  • Learning development concepts
  • Speeding up workflows

Why Use Our API Request Builder?

✅ 100% Client-Side Processing

All processing happens in your browser. Your data never leaves your device.

🚀 Fast & Instant

No server delays. Process your data instantly without waiting.

🔒 Completely Secure

No data sent to servers means no risk of data breaches or leaks.

💰 Free Forever

No registration, no limits, no hidden costs. Use as much as you need.

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