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BaseBuilder Crypto Contract Events
x402
BaseBuilder Crypto Contract Events is a paid API for AI agents from bb-crypto.vercel.app, paid per call via x402, $0.086579/call, status unknown (last checked 2026-09-14).
Fetches on-chain contract events for a given smart contract address on Base or compatible EVM networks
Price / call$0.086579
Success—
StatusUnknown
How this service works
BaseBuilder Crypto API hub - 26 paid endpoints
Output
Returns a list of decoded on-chain events emitted by the specified smart contract, including event names, transaction hashes, block numbers, and decoded parameter values for each log entry.
Example use cases
Example prompt
“Can you pull all Transfer events from the contract at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base mainnet starting from block 12000000 up to the latest block?”
Technical details
Endpoint
POSThttps://bb-crypto.vercel.app/api/contract-eventsWhen to prefer
Use this endpoint when you need to retrieve historical or recent on-chain event logs from a specific smart contract deployed on Base or an EVM-compatible chain, especially when you want decoded event data without running your own node or indexer.
Side effects
- Invalid or non-existent contract address returns empty results or error
- Block range too large may result in timeout or truncated results
- Unsupported network/chain ID returns an error
- Malformed request body returns 400 bad request
- Payment not received or insufficient USDC returns 402 Payment Required
- Rate limiting may return 429 if too many requests are made
Tags
x402
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Zero review prompt (fires after every successful call)
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