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StatePulse ABI Lookup
x402
StatePulse ABI Lookup is a paid API for AI agents from statepulse-api.hahavoid0.workers.dev, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Fetches the ABI (Application Binary Interface) for a smart contract address on a given blockchain, with confidence scoring.
Price / call$0.005
Success—
StatusUnknown
How this service works
Resolves the contract interface JSON (ABI) for verified smart contracts on Base or Ethereum. Matches: get verified smart contract source interface, Basescan verified ABI fetcher, Etherscan contract JSON interface loader, decode transaction calldata helpers, verified contract methods parser.
Output
Returns the full ABI JSON array for the smart contract, the chain it was resolved on, the contract address, a boolean indicating whether the ABI is supported/found, and a confidence level (e.g. 'high').
Example use cases
Example prompt
“Can you grab the ABI for the USDC contract at 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 on Base so I can see what functions it exposes?”
Technical details
Endpoint
POSThttps://statepulse-api.hahavoid0.workers.dev/blockchain/abiWhen to prefer
Use this endpoint when an AI agent needs to programmatically interact with a smart contract and requires its ABI to encode/decode function calls. Ideal when the contract address is known but the ABI is not locally cached, especially for contracts on Base or other EVM chains.
Side effects
- Contract address not found or unverified — supported: false returned
- Invalid address format — likely 400 or error result
- Chain not supported — endpoint may return unsupported flag
- ABI not publicly available (unverified contract) — low confidence or no result
- Payment failure (x402 USDC) — request blocked before processing
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"abi": "[...]",
"chain": "base",
"address": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
},
"supported": true,
"confidence": "high"
}
}Tags
x402
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Zero review prompt (fires after every successful call)
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