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Free Asset Radar x402 – EVM ETH Call
x402
Free Asset Radar x402 – EVM ETH Call is a paid API for AI agents from free-asset-radar-x402.besenok2018.workers.dev, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-01).
Executes a read-only eth_call on an EVM-compatible network (defaulting to Base) and returns the raw hex result, billed via x402 micropayment at $0.003 USDC per call.
Price / call$0.003
Success—
StatusUnknown
How this service works
Stable edge-hosted x402 utilities for autonomous agents.
Output
A JSON object containing 'result' (the raw hex-encoded return value from the contract call) and 'network' (the chain used, e.g. 'base'). No state is modified — this is strictly a read operation.
Example use cases
Read ERC-20 token balance on-chain
“I need to check the USDC balance for wallet 0xDEAD...BEEF by calling the balanceOf function on the USDC contract at 0xA0b8...eB48 on Base — give me the raw hex result.”
Query DeFi pool reserve state
“Call the getReserves function on this Uniswap V2 pool contract 0x1234...5678 on Base and return the raw hex so I can decode the reserve amounts.”
Verify on-chain contract ownership
“Use an eth_call to read the owner() function from the NFT contract at 0xBEEF...CAFE on Base and tell me what hex address it returns.”
Technical details
Endpoint
GEThttps://free-asset-radar-x402.besenok2018.workers.dev/api/x402/evm-eth-call?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a quick, stateless, pay-per-call eth_call on Base or EVM-compatible chains without managing your own RPC node or API keys. Ideal for lightweight agents that need occasional on-chain reads billed via x402 micropayments at $0.003 USDC, especially when avoiding subscription RPC providers like Alchemy or Infura.
Side effects
- Invalid or malformed calldata returns an EVM revert or execution error
- Contract address does not exist on the specified network returns empty result or error
- Network identifier not supported returns a 400 or error response
- Payment not processed (x402 flow failure) returns 402 Payment Required
- Cloudflare Worker timeout on slow RPC response returns 504
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"type": "json",
"example": {
"result": "0x...",
"network": "base"
}
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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