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Base Contract Inspector (47620.xyz)
x402
Base Contract Inspector (47620.xyz) is a paid API for AI agents from 47620.xyz, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).
Checks whether a Base network address is a contract or EOA, returns bytecode size, and for ERC-20 tokens returns name, symbol, and decimals.
Price / call$0.01
Success—
StatusUnknown
How this service works
Whether a base address is a contract, its bytecode size, and (for ERC-20s) name/symbol/decimals.
Output
Returns a flag indicating whether the address is a contract (true/false), the bytecode size in bytes, and — when the contract implements ERC-20 — the token name, symbol, and decimal places.
Example use cases
Verify token contract before payment
“Before I send funds to 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, can you check whether it's a contract or a regular wallet, and if it's a token, what token is it exactly — name, symbol, and decimals?”
ERC-20 metadata discovery for DeFi integration
“I'm integrating a Base token into my app and I need the official name, symbol, and decimal places for the contract at 0x4200000000000000000000000000000000000006 — can you look that up?”
Classify unknown address for risk screening
“I got this Base address 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA from a counterparty and I need to know if it's a smart contract and if so how large its bytecode is — can you check it?”
Technical details
Endpoint
GEThttps://47620.xyz/x/base/contract/:address?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to quickly classify a Base network address as a contract or wallet and optionally retrieve ERC-20 token metadata in a single call. Prefer it over general Ethereum tools when operating specifically on the Base L2 network and when you need bytecode size alongside token identity in one request.
Side effects
- Invalid or malformed address format returns an error
- Address not found or zero-address edge cases may return empty or null fields
- Non-ERC-20 contracts return no token metadata (name/symbol/decimals will be absent or null)
- Network latency or RPC issues may cause timeouts
- Payment failure (insufficient USDC) blocks the request
Tags
x402
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