{"uid":"cap_GDIl9wwJop7ghRNjA3gKI","slug":"xerxes-base-transaction-proof-lookup-a3f94ce7","name":"Xerxes Base Transaction Proof Lookup","description":"ARYSPHERE Base typed objects and transaction proofs behind x402. Dead RPC is unreadability, not zeros.","url":"https://ari001.tailb4ac3a.ts.net/v1/base/tx/%7Bhash%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"to":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","from":"0x1111111111111111111111111111111111111111","kind":"confirmed","proof":{"block_hash":"0xabababababababababababababababababababababababababababababababab","block_number":12345678},"service":"base_tx","tx_hash":"0xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd","log_count":1,"value_wei":null,"block_number":12345670,"confirmations":8,"usdc_transfers":[{"to":"0x2222222222222222222222222222222222222222","from":"0x1111111111111111111111111111111111111111","amount_atomic":"10000"}]}},"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_VT2u9JETuoG8HotBoL_Ad","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":"Fetches typed transaction proof for a Base chain transaction by hash, returning confirmation status, block details, and USDC transfer events.","exampleAgentPrompt":"Can you check whether Base transaction 0xcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd has been confirmed and show me the USDC transfers inside it?","exampleUseCases":[{"title":"Verify USDC payment settlement","prompt":"I just sent a USDC payment on Base — the tx hash is 0xabcd1234...ef56. Can you confirm it landed and tell me how many confirmations it has?"},{"title":"Audit on-chain transfer for support ticket","prompt":"A customer claims they paid us on Base with tx hash 0x7890abcd...1234. Can you pull up the transaction and verify who sent it, who received it, and how much USDC moved?"},{"title":"Check pending transaction before releasing goods","prompt":"Before I release this order, I need to know if Base tx 0xdeadbeef...cafe is fully confirmed or still pending — can you check the confirmation count and block number?"}],"resultDescription":"A JSON object with ok status, sender and recipient addresses, transaction kind (confirmed/pending/reverted), a proof object containing block hash and block number, transaction hash, log count, value in wei, total confirmations, and an array of USDC transfer events each with to/from addresses and atomic amount.","failureModes":["Transaction hash not found — returns error or ok:false","Transaction is still pending — kind field will reflect pending state rather than confirmed","Malformed or invalid hash format — likely 4xx error","RPC backend unreachable — service-level error","Hash belongs to a chain other than Base — incorrect or empty result"],"whenToPreferThis":"Use this endpoint when you specifically need typed proof of a Base chain transaction — confirmation status, block anchoring, and decoded USDC transfer events in a single call. Prefer it over raw RPC when you need structured, agent-readable output without parsing raw EVM logs. Best suited for x402 payment verification workflows where you need to confirm a USDC payment settled on Base before taking a downstream action.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:44:34.929Z","isFirstParty":false}