{"uid":"cap_BQgW68Bjj3pefE20PyeDO","slug":"base-usdc-receipt-verifier-b1ca8e35","name":"Base USDC Receipt Verifier","description":"Base USDC receipt verifier","url":"https://abi-mainnet-sandbox.benjaminbu.workers.dev/v1/x402/verify","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["tx_hash"],"properties":{"tx_hash":{"type":"string","description":"Base transaction hash (0x + 64 hex chars)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0dDoOXeF7WXU7W9TEd-Kr","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies a Base blockchain USDC transaction by looking up its receipt via transaction hash","exampleAgentPrompt":"Can you verify whether this Base USDC transaction actually went through? The tx hash is 0x4a3f2c1d8e9b7a6f5c4d3e2b1a0f9e8d7c6b5a4f3e2d1c0b9a8f7e6d5c4b3a2.","exampleUseCases":[{"title":"Confirm payment before fulfilling order","prompt":"Before I ship this order, can you verify that the USDC payment on Base actually completed? The transaction hash the buyer sent me is 0x1a2b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a6b7c8d9e0f1a2b."},{"title":"Validate crypto payment for freelance invoice","prompt":"My client says they paid my invoice in USDC on Base — can you check if the transaction 0xab12cd34ef56gh78ij90kl12mn34op56qr78st90uv12wx34yz56ab78cd90ef12 actually went through and was confirmed?"},{"title":"Audit historical USDC transfer on Base","prompt":"I need to confirm a USDC transfer that was supposed to happen on Base mainnet last week — can you pull up the receipt for transaction hash 0xdeadbeef1234567890abcdef1234567890abcdef1234567890abcdef12345678?"}],"resultDescription":"Returns a verification result indicating whether the provided Base transaction hash corresponds to a valid, confirmed USDC transaction, along with transaction receipt details such as confirmation status, amounts, sender/receiver addresses, and block information.","failureModes":["Invalid or malformed transaction hash (not 0x + 64 hex chars) returns an error","Transaction hash not found on Base mainnet returns not-found or unverified result","Network or RPC issues may cause lookup failures","Transaction exists but is not a USDC transfer may return negative verification","Pending/unconfirmed transactions may return unconfirmed status"],"whenToPreferThis":"Use this endpoint when you need to verify a specific USDC payment on the Base blockchain using a known transaction hash. Ideal for confirming payment receipts in e-commerce, freelance invoicing, x402-based API billing, or any workflow that requires on-chain proof of a USDC transfer on Base mainnet.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:39:36.351Z","isFirstParty":false}