{"uid":"cap_AcaLZMGmJKtE6fBrh_dxA","slug":"blockscout-account-abstraction-operations-explorer-8fc59a8c","name":"Blockscout Account Abstraction Operations Explorer","description":"Explore crypto activities with Blockscout's multichain search. Find transactions, addresses, tokens, and dapps across top blockchain networks — your go-to explorer for cross-chain blockchain data","url":"https://api.blockscout.com/%7Bchain_id%7D/api/v2/proxy/account-abstraction/operations","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","properties":{"chain_id":{"type":"string"}}},"queryParams":{"type":"object","properties":{"sender":{"type":"string"},"bundler":{"type":"string"},"factory":{"type":"string"},"page_size":{"type":"integer"},"paymaster":{"type":"string"},"page_token":{"type":"string"},"entry_point":{"type":"string"},"items_count":{"type":"integer"},"block_number":{"type":"integer"},"bundle_index":{"type":"integer"},"transaction_hash":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"items":[{"fee":"string","hash":"string","status":true,"address":{"hash":"string","name":"string","is_scam":true,"metadata":{},"proxy_type":"string","reputation":"string","is_contract":true,"is_verified":true,"public_tags":[{"label":"string","address_hash":"string","display_name":"string"}],"private_tags":[{"label":"string","address_hash":"string","display_name":"string"}],"ens_domain_name":"string","implementations":[{"name":"string","address_hash":"string"}],"watchlist_names":[{"label":"string","display_name":"string"}]},"timestamp":"string","entry_point":{"hash":"string","name":"string","is_scam":true,"metadata":{},"proxy_type":"string","reputation":"string","is_contract":true,"is_verified":true,"public_tags":[{"label":"string","address_hash":"string","display_name":"string"}],"private_tags":[{"label":"string","address_hash":"string","display_name":"string"}],"ens_domain_name":"string","implementations":[{"name":"string","address_hash":"string"}],"watchlist_names":[{"label":"string","display_name":"string"}]},"block_number":"string","transaction_hash":"string","entry_point_version":"string"}],"next_page_params":{}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_IH9lt5b5onQNj3F5wzVTE","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves paginated ERC-4337 UserOperation records for a specific blockchain network, filterable by sender, bundler, paymaster, factory, entry point, transaction hash, and block number","exampleAgentPrompt":"Can you pull up all the ERC-4337 UserOperations sent by wallet 0xAbCd...1234 on Base (chain ID 8453) — show me the latest 25 and include their status, fees, and transaction hashes?","exampleUseCases":[{"title":"Audit smart wallet activity on Base","prompt":"Show me all the account abstraction UserOperations sent from smart wallet 0x1234...abcd on Base, filtered by entry point 0x5FF1...2483, and give me their statuses and fees."},{"title":"Investigate paymaster usage on Optimism","prompt":"I want to see all ERC-4337 operations that used paymaster address 0xPaym...ster9 on Optimism — can you list the most recent 50 with their transaction hashes and timestamps?"},{"title":"Debug a specific bundled transaction","prompt":"Look up all UserOperations included in transaction 0xTxHash...9876 on Arbitrum and tell me which ones succeeded, what fees were charged, and which entry point version was used."}],"resultDescription":"A paginated list of ERC-4337 UserOperation objects, each containing the operation hash, execution status (boolean), sender address with metadata (name, tags, ENS domain, contract/scam flags), entry point address with full metadata, block number, parent transaction hash, fee, timestamp, entry point version, and a next_page_params object for cursor-based pagination.","failureModes":["Invalid or unsupported chain_id returns an error or empty result","Unrecognized address formats for sender/bundler/paymaster/factory cause empty results","No operations found for the given filters returns an empty items array","Invalid transaction_hash format may return an error","Pagination token mismatch or expiry causes out-of-order or duplicate results","Rate limiting or payment failure returns 402 or 429 status"],"whenToPreferThis":"Use this endpoint when you need to query ERC-4337 account abstraction UserOperation data on a specific chain supported by Blockscout. It is ideal for auditing smart wallet activity, tracing bundler/paymaster relationships, or debugging account abstraction transactions across multiple chains. Prefer this over generic transaction explorers when you specifically need UserOp-level detail including entry point version, bundler identity, and paymaster info.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:51:56.588Z","isFirstParty":false}