HTTP Client
Send HTTP requests (GET, POST, PUT, DELETE) and inspect responses.
Free Web vs Desktop App
Web (Free)
- +HTTP Client with basic functionality
- +No signup or account required
- +Works in any modern browser
- -CORS-allowed endpoints only on the web
- -Single tool per page, no integrations
Desktop App ($29 one-time)
- No CORS limits, saved collections, auth helpers, environment variables
- All 19 developer utilities in one ToolBox
- Plus terminal, HTTP client, database client, Docker manager
- AI agents, code editor, Git client, and 100+ more features
- macOS, Windows, Linux — one-time purchase, own forever
About HTTP Client
Build and send HTTP requests with custom methods, headers, and body. Inspect response status, headers, and body with syntax highlighting. Supports GET, POST, PUT, PATCH, DELETE, and HEAD methods. Set custom headers and JSON or text request bodies. Essential for testing REST APIs, debugging webhooks, and exploring endpoints.
Frequently Asked Questions
Is HTTP Client free to use?
Yes! This online version is completely free with no signup required. CORS-allowed endpoints only on the web. For unlimited usage and full integration with 100+ developer tools, download the 1DevTool desktop app ($29 one-time).
Is my data safe?
Absolutely. All processing happens entirely in your browser. Your data never leaves your machine — nothing is sent to any server. The tool runs 100% client-side using JavaScript.
What do I get with the desktop app?
The desktop app includes HTTP Client with no limits, plus 18 other developer utilities. Beyond the ToolBox, you get multi-agent AI terminals, HTTP client, database client (26 engines), Docker manager, Git client, code editor, browser preview, and more — all in one workspace. $29 one-time, no subscription.
Like this tool? There's a lot more.
Download 1DevTool to get HTTP Client with no limits, plus 18 other utilities, AI terminals, HTTP client, database client, and 100+ features.