Free Tool

API Endpoint Checker

Test any HTTP(S) endpoint — custom method, headers, JSON body. Useful for verifying APIs from outside your own network.

Request headers
Allowed headers: accept, accept-language, authorization, content-type, user-agent, x-api-key, x-auth-token, x-correlation-id, x-request-id.
Run this check automatically
Monitor your site on a schedule and get an email within 1–5 minutes when something breaks. Free plan, no card.
Start monitoring →
API Endpoint Checker — Test Any HTTP Endpoint Free | WebsiteDown