API Client (Postman-like)
Send GET, POST, PUT, PATCH, DELETE, HEAD, and OPTIONS requests with query params, headers, JSON, and form input.
Query Params
Headers
Body
Ready.
cURL
Fetch Snippet
Response
About This Tool
This API client supports common Postman-style workflows: choosing HTTP method, adding query params, managing headers, and sending JSON or form-based payloads.
How to use: enter your values, click Calculate, and review the result block for key outputs. Use Load Sample to test with example inputs and Clear to reset.
Tip: change one input at a time to compare outcomes and make better planning decisions.
Use Generate to create cURL and Fetch snippets from your configured request, then Send Fetch to test directly in the browser.
Note: Browser fetch is limited by CORS and cannot bypass server restrictions. For restricted endpoints, run the generated cURL command in terminal.