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Mach Gallery Base Logs Fetch
x402
Mach Gallery Base Logs Fetch is a paid API for AI agents from api.mach.gallery, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-02).
Fetches event logs emitted by a smart contract address on the Base blockchain within a specified block range and filtered by topics
Price / call$0.005
Success—
StatusUnknown
How this service works
Fast, low-cost Base data for autonomous agents. No API keys, no subscriptions; pay per call with USDC over x402.
Output
Returns a JSON object containing an array of matching event logs, the count of results, and the network identifier (eip155:8453 for Base mainnet). Each log typically includes contract address, topics, data, block number, and transaction hash.
Example use cases
Monitor ERC-20 transfer activity
“Get me all Transfer event logs for the USDC contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base from block 20000000 to 20005000 — I want to see every transfer that happened in that range.”
Audit contract events for a DeFi protocol
“Fetch all on-chain logs emitted by the Uniswap v3 pool at 0x4C36388bE6F416A29C8d8Eee81C771cE6bE14B18 on Base between blocks 18000000 and 18010000 so I can audit swap and liquidity events.”
Track wallet-specific on-chain activity
“Pull any logs involving the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Base from block 22000000 to 22050000 — I need to see what contract interactions happened in that window.”
Technical details
Endpoint
POSThttps://api.mach.gallery/api/base/logs?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need raw EVM event logs from the Base blockchain without setting up API keys or subscriptions — ideal for autonomous agents that want pay-per-call access to Base log data. Prefer it over node providers like Alchemy or Infura when you need zero-setup, USDC micropayment-based access and are already operating in an x402-compatible payment environment.
Side effects
- Invalid EVM address format returns a validation error
- Block range too large may return empty or truncated results
- No matching logs returns an empty array with count 0
- Insufficient USDC payment via x402 results in a 402 Payment Required response
- Invalid topic hash format causes request rejection
- from_block greater than to_block may return an error or empty result
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| topics | array | |
| address | string | Smart-contract address on Base mainnet. |
| to_block | integer | Last Base block to include in the log query. |
| from_block | integer | First Base block to include in the log query. |
Output
Schema · Response
{
"type": "json",
"example": {
"logs": [],
"count": 1,
"network": "eip155:8453"
}
}Tags
x402
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