Use test keys (sk_test_…) in the playground. Test traffic never bills. Live keys need a licensed site.
AbuseGraphDocs
Agents

Agent prompt

Paste into Cursor, Claude, Copilot, or ChatGPT. Machine indexes at /llms.txt and /llms-full.txt.

Humans: use the copy UI (optional ?stack=).

Machines:

The prompt tells the agent to use test keys, the browser CDN with toCheckBody, and server-side POST /api/v1/check. Secret keys stay on your server.

Stack aliases

Example: /llms-full.txt?stack=clerk

On this page