One unpaid GET or POST /v1/sponsor quotes 42 USDC on Base. Open the 42 USDC checkout.
curl -s -D - -o /dev/null -X POST https://policy-gate.3labsio.workers.dev/v1/sponsor
Pay to 0x07C2383008a9ed30581f27Db5531E19411c94fb3 on eip155:8453. Discovery: /.well-known/x402.
Per-check path (does not meet $42 alone): agents pay $0.005 per POST /v1/check (8400 checks = $42). Evaluate free first: GET /v1/example.
curl -s -D - -o /dev/null -X POST https://policy-gate.3labsio.workers.dev/v1/check \
-H "content-type: application/json" \
-d '{"policy_id":"default-action-tiers","request":{"action":"docs.read"}}'
After settlement, check GET /v1/received.
Prefer card? Pay $42 with card — also Cash App, Link, or US bank debit.