API Playground
Test verified public APIs in your browser via a security-hardened proxy — only 2,601 allowlisted APIs can be reached. Built for single-endpoint APIs and large surfaces like Plaid or Slack.
Endpoints
12
Account
Admin
Feedback
Login
Logout
Transfer
Request
proxy validates path
testfire.net· SSRF-safe proxyResponse
Send a request to see the real response here — status, timing, and body.
The playground routes through a security-hardened proxy. Only allowlisted hosts are reachable. Try AltoroJ REST API to start.