Documentation
Public guides for discovering, purchasing, verifying, and testing the PolarCat physical-presence canary.
Agent integration
Discovery, x402 payment, safe retries, polling, and receipt verification.
Discovery
Well-known x402, service manifests, OpenAPI, and honest protocol claims.
Public proof model
What signed proofs establish, how to verify them, and their privacy boundary.
Friend-agent test
A controlled protocol for testing discovery before allowing testnet payment.
Machine-readable documentation index: GET /v1/docs.