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httpcdp

Contract Check

Determine whether an address on Base is a contract or an externally owned account. POST {"address":"0x..."} and receive isContract, the bytecode size in bytes and its keccak-256 hash. Useful before sending funds to an unfamiliar address.

Resource URL

https://x402-echo-service.onrender.com/chain/code

Payment options

exactBase (8453)

$0.001 USDC

Max amount

Pay to
0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE
Timeout
300s

Tags

contractbytecodebaseonchaineoa

For agents

Prompt snippet for AI agents

Find and pay for this x402 resource:
URL: https://x402-echo-service.onrender.com/chain/code
Type: http
Sources: cdp

Developer