Verify a Base mainnet USDC payment by tx hash: confirmations, real-USDC transfers, expectedPayTo/expectedAmount match, fake-USDC and lookalike-address warnings, and who funded the payer (external | self_funded | unknown), plus a plain-English summary. Body: {txHash, expectedPayTo?, expectedAmount?}. Free demo: POST /demo. Docs: /openapi.json.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.01 USDC | 0x509E...9eDE |