{"uid":"cap_KsgcSFvK9GxAfQ_XgQWNR","slug":"dopaminedesk-evm-transaction-lookup-93c58427","name":"DopamineDesk EVM Transaction Lookup","description":"Retrieve a real EVM transaction and normalized block, sender, recipient, nonce, value, gas, fee, type, and input fields by hash.","url":"https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/evm_transaction","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":["transaction_hash"],"properties":{"chain":{"type":"string","description":"base, ethereum, or arbitrum; defaults to base."},"transaction_hash":{"type":"string","description":"32-byte 0x-prefixed transaction hash."}},"additionalProperties":true}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["success","network","transaction"],"properties":{"network":{"type":"string"},"success":{"type":"boolean"},"transaction":{"type":"object","required":["hash","block_number","from","to","value_wei"],"properties":{"to":{"type":"string"},"from":{"type":"string"},"hash":{"type":"string"},"value_wei":{"type":"string"},"block_number":{"type":"string"}},"additionalProperties":true}},"additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"network":"base","success":true,"transaction":{"to":"0x4200000000000000000000000000000000000015","from":"0xdeaddeaddeaddeaddeaddeaddeaddeaddead0001","hash":"0x91698c8339b23372096c31fe065bfa0a73988d1b5969447986b3b1b3a7960d06","value_wei":"0","block_number":"49533146"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_4Ju1ExLJRkpFpj1N1ed_L","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches on-chain transaction details (block, sender, receiver, value) for a given transaction hash on Base, Ethereum, or Arbitrum.","exampleAgentPrompt":"Can you look up the details of transaction 0x91698c8339b23372096c31fe065bfa0a73988d1b5969447986b3b1b3a7960d06 on Base — I want to know the sender, receiver, block number, and value?","exampleUseCases":[{"title":"Verify incoming payment on Base","prompt":"Can you check transaction 0xabc123...def456 on Base and confirm who sent it, how much wei was transferred, and which block it landed in?"},{"title":"Audit DeFi transaction on Ethereum","prompt":"I need to inspect Ethereum transaction 0x7f3e8a... — pull the from address, to address, and block number so I can cross-reference it with our records."},{"title":"Investigate suspicious Arbitrum transfer","prompt":"Look up transaction 0xdeadbeef...cafe on Arbitrum and tell me the sender, recipient, and value — I'm trying to trace where some funds went."}],"resultDescription":"A JSON object with a success boolean, the network name (e.g. 'base'), and a transaction object containing the hash, block_number, from address, to address, and value_wei. Additional fields may be present.","failureModes":["Invalid or malformed transaction hash returns an error","Transaction hash not found on specified chain returns failure or empty result","Unsupported chain identifier causes a bad request","Network connectivity issues with the RPC node may cause timeouts","Missing required transaction_hash query parameter returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need a pay-per-use, no-subscription lookup of EVM transaction metadata across Base, Ethereum, or Arbitrum. It is well-suited for agents performing due-diligence, audit trails, or payment verification in agentic workflows that settle via x402/USDC, avoiding the need to manage your own blockchain RPC infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:34:03.444Z","isFirstParty":false}