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Aurenic EIP-55 Ethereum Address Checksum Validator
x402
Aurenic EIP-55 Ethereum Address Checksum Validator is a paid API for AI agents from api.aurenic.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).
Validates whether an Ethereum address conforms to the EIP-55 mixed-case checksum encoding standard
Price / call$0.001
Success—
StatusUnknown
How this service works
EIP-55 checksum validation for an Ethereum address
Output
Returns whether the provided Ethereum address passes EIP-55 checksum validation — indicating if the mixed-case encoding of the hex characters is cryptographically correct per the standard, helping detect corrupted or incorrectly formatted addresses.
Example use cases
Pre-transfer address safety check
“Before I send ETH to 0xfB6916095ca1df60bB79Ce92cE3Ea74c37c5d359, can you verify that address passes EIP-55 checksum validation so I know it wasn't corrupted or mistyped?”
Smart contract input sanitization
“I'm about to submit 0xde0B295669a9FD93d5F28D9Ec85E40f4cb697BAe as a recipient address in a contract call — can you confirm it's a properly checksummed Ethereum address?”
Wallet address format QA in a dApp
“Our dApp collects user wallet addresses from a form — can you validate that 0xCA35b7d915458EF540aDe6068dFe2F44E8fa733c has a correct EIP-55 checksum before we store it?”
Technical details
Endpoint
GEThttps://api.aurenic.org/eth-validate/:address?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call EIP-55 checksum verification for Ethereum addresses without spinning up a full Web3 library or node connection. Ideal for serverless agents, form validation pipelines, or pre-transaction safety checks where you want a fast, cheap external oracle to confirm address integrity. Prefer over local library calls when you want a stateless microservice approach or when running in environments where Web3 dependencies are unavailable.
Side effects
- Address missing 0x prefix — may return invalid or error
- Non-hex characters in address body — validation error
- Address wrong length (not 42 characters) — rejected
- All-lowercase or all-uppercase address — fails EIP-55 checksum even if the address itself is real
- Network or service unavailability — HTTP 5xx response
- Payment failure — HTTP 402 if USDC payment is not provided
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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