API Playground
Test verified public APIs in your browser via a security-hardened proxy — only 2,597 allowlisted APIs can be reached. Built for single-endpoint APIs and large surfaces like Plaid or Slack.
Endpoints
26
Keys
Addresses
Autocomplete
Cleanse
Emails
Phone_numbers
Places
Postcodes
Udprn
Umprn
Request
proxy validates path
api.ideal-postcodes.co.uk· SSRF-safe proxyquery
Response
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 API Reference - Ideal Postcodes to start.