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Eip55 Check

by Delx Eip55 Check in Weather & location

x402 APIPassing, checked 2 h ago

Check whether an address already matches its EIP-55 checksum form — call when verifying an address already matches EIP-55 form. Use for chain input hygiene without live RPC—adjacent to OneSource-class small chain reads, but static/local only so rights and margin stay clear. Returns deterministic machine-readable JSON for $0.003 USDC via x402 on Base. Execution is first-party, local-only, stateless, and memory-only with no paid upstream, no input retention, and no claim of live chain tip, web se…

POST https://api.delx.ai/api/v1/x402/eip55-check

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
7 ms typical, 7 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.delx.ai/api/v1/x402/eip55-check" \
  -H "content-type: application/json" \
  -d '{"address":"0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5"}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Feip55-check
const res = await pay("https://api.delx.ai/api/v1/x402/eip55-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"address":"0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5"}),
});
console.log(await res.json());

Example input

{
  "address": "0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5"
}

Example output

{
  "algorithm": "keccak256",
  "expected": "0x95222290DD7278Aa3Ddd389Cc1E1d165CC4BAfe5",
  "is_checksummed": true,
  "schema": "delx/util-eip55-check/v1",
  "valid": true
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed4027 ms$0.003
5 h agoPassed4027 ms$0.003
10 h agoPassed402200 ms$0.003