{"openapi":"3.1.0","info":{"title":"Base USDC Transfer Evidence for AI Agents","version":"0.3.0","description":"Two-of-three public Base RPC quorum on USDC transfer receipts: verify recipient, amount, transaction status and confirmation depth. No custody and no cryptographic state proof."},"servers":[{"url":"https://jzallxzbbdtelcpabfgr.supabase.co/functions/v1/agent-usdc-receipt"}],"components":{"securitySchemes":{"x402":{"type":"apiKey","in":"header","name":"PAYMENT-SIGNATURE"}}},"paths":{"/api/v1/demo":{"get":{"summary":"Free RPC connectivity test","responses":{"200":{"description":"Current Base block"}}}},"/api/v1/receipt":{"get":{"operationId":"verifyBaseUsdcTransfer","summary":"Quorum-verify Base USDC transaction settlement, payee, amount and confirmations (2 of 3 independent RPCs)","description":"Use when a funded AI agent must reconcile a real Base mainnet native USDC transfer independently across two of three public RPC providers. Returns receipt status, USDC transfer event details, optional expected payee and minimum amount, chain confirmation depth and RPC agreement. Read-only; NOT a signed cryptographic state proof or proof of merchant legitimacy.","parameters":[{"name":"tx","in":"query","required":true,"description":"Required for a custom real Base transfer check; bare-route no-query paid discovery returns a clearly labelled public-sample report.","schema":{"type":"string","pattern":"^0x[0-9a-fA-F]{64}$"}},{"name":"to","in":"query","required":false,"schema":{"type":"string"}},{"name":"min_usdc","in":"query","required":false,"schema":{"type":"string"}},{"name":"min_confirmations","in":"query","schema":{"type":"integer","minimum":1,"maximum":50,"default":12}}],"security":[{"x402":[]}],"x-payment-info":{"protocols":["x402"],"price":{"mode":"fixed","currency":"USD","amount":"0.01"},"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0x935ad91b70c6d0769871416c5904d06fbf9ef586"},"responses":{"200":{"description":"Transfer evidence or not-found result"},"402":{"description":"x402 Payment Required"}}}}}}