API Playground
Test verified public APIs in your browser via a security-hardened proxy — only 2,602 allowlisted APIs can be reached. Built for single-endpoint APIs and large surfaces like Plaid or Slack.
Endpoints
4
Chart
Qr
Request
proxy validates path
quickchart.io· SSRF-safe proxyquery — The chart configuration in Chart.js format (JSON or Javascript).
query — The width of the chart in pixels.
query — The height of the chart in pixels.
query — The output format of the chart, e.g., 'png', 'jpg', 'svg', or 'webp'.
query — The background color of the chart.
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 QuickChart to start.