{"uid":"cap_4v2dG5TBdtcexG31d_qRK","slug":"saylor-innovations-contract-event-logs-optimism-de899601","name":"Saylor Innovations — Contract Event Logs (Optimism)","description":"Contract Event Logs (optimism). Optimism contract event logs: raw logs for a contract, optional ?topic0= event filter, up to 2,000 blocks, newest first, up to 200 rows.","url":"https://saylorinnovations.com/api/evm/optimism/events/:address?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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_5dS79OumTBkbRi-8pcr-M","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches on-chain event logs emitted by a smart contract at a given address on the Optimism network.","exampleAgentPrompt":"Pull all the on-chain event logs for the smart contract at address 0x4200000000000000000000000000000000000042 on Optimism so I can see what events it has emitted.","exampleUseCases":[{"title":"DeFi protocol event audit","prompt":"Get me all the event logs for the Optimism contract at 0x7F5c764cBc14f9669B88837ca1490cCa17c31607 — I need to audit every event it has emitted on-chain."},{"title":"NFT contract activity tracking","prompt":"Fetch the on-chain event logs for the NFT contract at 0x4200000000000000000000000000000000000006 on Optimism so I can see all Transfer and Mint events that have occurred."},{"title":"Smart contract debugging","prompt":"Can you retrieve the event logs for my deployed Optimism contract at 0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45? I'm trying to debug why certain events aren't firing as expected."}],"resultDescription":"Returns a list of event log entries emitted by the specified smart contract on the Optimism network, including event topics, data payloads, block numbers, transaction hashes, and log indices.","failureModes":["Invalid or malformed contract address returns an error","Contract address with no emitted events returns an empty log list","Network timeout or RPC node issues may cause delayed or failed responses","Non-existent or undeployed contract address returns no results","Rate limiting if too many requests are made in quick succession"],"whenToPreferThis":"Use this endpoint when you need to retrieve historical or recent on-chain event logs for a specific EVM smart contract deployed on the Optimism L2 network. Prefer this over generic blockchain explorers when you need programmatic, agent-accessible access to contract events without manual UI interaction.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:46.228Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-contract-event-logs-optimism-de899601"}