{"uid":"cap_gSZnTlH5RLF1XVTTHKWg-","slug":"x402-chain-intel-contract-events-49312ad9","name":"x402 Chain Intel - Contract Events","description":"27 paid endpoints for trading bots","url":"https://x402-chain-intel.vercel.app/api/contract/events","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.08","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":"$0.08/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.08","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_zPItJBaGpL74Ap9ztUN-D","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.08","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves on-chain contract events for a specified smart contract, enabling trading bots and blockchain analysts to monitor and react to blockchain activity.","exampleAgentPrompt":"Fetch the latest Swap events from the Uniswap V3 USDC/ETH pool contract at 0x88e6A0c2dDD26FEEb64F039a2c41296FcB3f5640 on Ethereum mainnet for the last 1000 blocks so my trading bot can analyze recent price action.","exampleUseCases":[{"title":"DeFi swap event monitoring for trading bot","prompt":"Pull all Swap events from the Uniswap V3 WBTC/ETH pool at 0xCBCdF9626bC03E24f779434178A73a0B4bad62eD on Ethereum for blocks 19000000 to 19001000 — I need to feed this into my trading bot to detect large trades."},{"title":"ERC-20 transfer tracking for whale alerts","prompt":"Get all Transfer events from the USDC contract at 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum mainnet for the past 500 blocks so I can identify whale wallet movements."},{"title":"Liquidation event detection for risk management","prompt":"Fetch all Liquidation events emitted by the Aave V3 lending pool contract at 0x87870Bca3F3fD6335C3F4ce8392D69350B4fA4E2 on Ethereum for the last 2000 blocks — I need to monitor for cascading liquidation risk."}],"resultDescription":"Returns an array of on-chain event logs emitted by the specified smart contract, including event names, decoded parameters, transaction hashes, block numbers, and timestamps, structured for programmatic consumption by trading bots or analytics pipelines.","failureModes":["Invalid or non-existent contract address returns empty results or error","Block range too large may result in timeout or truncated response","Unsupported blockchain network returns an error","Malformed topic filter causes query to fail","Payment of 0.08 USDC not fulfilled triggers 402 Payment Required response","Rate limiting if too many requests are made in quick succession"],"whenToPreferThis":"Choose this endpoint when you need real-time or historical on-chain event data from a specific smart contract for trading bot signals, DeFi monitoring, or blockchain analytics. Prefer it over generic blockchain explorers when you need programmatic, machine-readable event data with per-call micropayment pricing and no subscription overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:51:43.024Z","isFirstParty":false}