x402 payment verify on Base (chain 8453, $0.02): tx hash (your PAYMENT-RESPONSE ...

{ "method": "GET", "queryParams": { "amount": "2000", "network": "base", "payTo": "0x6264191d6dd5427435b5e829077842e130ef1fc8", "tx": "0x058bc61d196b9d6ea4cc15315711ef075a0c7e9a3224c19e3deb44eaa4f568ec", "wait": 0 }, "type": "http" }

{ "example": { "advice": "final: book it", "asset": { "address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913", "known": "USDC (Circle)", "symbol": "USDC" }, "authorizations": 1, "block": { "age_s": 14133, "hash": "0x1805f413f0d4032c819c6b0e5b8b8f485b0524faf2276a4199fb89309d0d1441", "number": 53352110, "timestamp": 1793493567 }, "chain": "base", "chain_id": 8453, "confirmations": 5991, "expected": { "amount": "0.002", "amount_raw": "2000", "asset": null, "from": null, "nonce": null, "payTo": "0x6264191d6dd5427435b5e829077842e130ef1fc8" }, "finality": { "confirmations": 5991, "finalized": true, "finalized_head": 53357536, "note": "Base: safe = the block is in a batch posted to Ethereum; finalized = that Ethereum block is finalized (~15-25 min). Undoing a safe block would need an Ethereum reorg.", "safe": true, "safe_head": 53358056 }, "found": true, "headline": "SETTLED on Base: 0.002 USDC from 0x8ec9…9d15 to 0x6264…1fc8, block 53352110 (4 h ago), 5991 confirmations, finalized, relayed by a third-party wallet (gasless EIP-3009)", "kind": "payment-verify", "latest_block": 53358100, "lookup": "tx", "matches": { "all": true, "amount": true, "asset": null, "authorization": null, "payTo": true }, "method": { "name": "transferWithAuthorization", "selector": "0xe3ee160e" }, "mined": true, "network": "eip155:8453", "note": "On-chain facts only (the same rule our own settle reconciler uses): AuthorizationUsed(authorizer, nonce) + its adjacent Transfer = that authorization's payment. A seller's receipt, status page or PAYMENT-RESPONSE is a claim; this is the chain.", "payment": { "amount": "0.002", "amount_raw": "2000", "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913", "basis": "the EIP-3009 (AuthorizationUsed + adjacent Transfer) Transfer to payTo", "decimals": 6, "eip3009": true, "log_index": 55, "nonce": "0x7a7f161978b5f38c40a4d50fd28021cf0b9d0c10c2c50368059d0340d2b663a6", "pay_to": "0x6264191d6dd5427435b5e829077842e130ef1fc8", "payer": "0x8ec901f7e2710163387d70950f680f1ea2269d15", "symbol": "USDC" }, "polls": 1, "rail": "x402-payment-verify-1", "reads": { "calls": 8, "rpc": "fixture" }, "settled": true, "submitter": { "address": "0x625d8a65134079f8faaac39a7947c73d93c6ac39", "basis": null, "known": null, "note": "a third party paid the gas: the payer only signed an EIP-3009 authorization (x402 facilitators settle from rotating hot wallets)", "relayed": true, "tx_count": 1690137 }, "transfers": [ { "amount": "0.002", "amount_raw": "2000", "eip3009": true, "from": "0x8ec901f7e2710163387d70950f680f1ea2269d15", "log_index": 55, "nonce": "0x7a7f161978b5f38c40a4d50fd28021cf0b9d0c10c2c50368059d0340d2b663a6", "payment": true, "to": "0x6264191d6dd5427435b5e829077842e130ef1fc8" } ], "transfers_total": 1, "tx": { "eth_usd": 2265.28, "fee_eth": "0.00000086555958535", "fee_usd": 0.001961, "gas_used": 86474, "l1_fee_eth": "0.00000000081958535", "nonce": 1689614, "status": "success", "to": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913", "to_known": "USDC (Circle)" }, "tx_hash": "0x058bc61d196b9d6ea4cc15315711ef075a0c7e9a3224c19e3deb44eaa4f568ec", "verdict": "SETTLED", "waited_ms": 0 }, "type": "json" }