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x402 Chain Intel - Contract Events
x402
x402 Chain Intel - Contract Events is a paid API for AI agents from x402-chain-intel.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-14).
Retrieves on-chain contract events for a specified smart contract, enabling trading bots and blockchain analysts to monitor and react to blockchain activity.
Price / call$0.08
Success—
StatusUnknown
How this service works
27 paid endpoints for trading bots
Output
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.
Example use cases
DeFi swap event monitoring for trading bot
“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.”
ERC-20 transfer tracking for whale alerts
“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.”
Liquidation event detection for risk management
“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.”
Technical details
Endpoint
POSThttps://x402-chain-intel.vercel.app/api/contract/eventsWhen to prefer
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.
Side effects
- 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
Tags
x402
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