DevDeck
API Request Builder

Build and test HTTP requests directly in your browser with a full-featured request editor

Developer Tools
About this tool

API Request Builder lets you construct and fire HTTP requests from the browser โ€” choose a method, enter a URL, add headers, and inspect the JSON response with status code and timing. Useful for testing REST APIs, debugging webhooks, and exploring public endpoints.

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DevDeck ยฉ 2023 - 2026

100% client-side โ€ข No data leaves your browser
API Request Builder โ€” Test HTTP Endpoints Online | DevDeck