DKIM key lookup · Dkim Lookup

by DKIM key lookup

POSTBaseSolanaArbitrumPolygonMonadAvalancheeip155:1329OptimismFraxtaleip155:42220stellar:pubnetalgorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=

$0.003

per call · USD Coin on Base

Fetch and parse a DKIM public-key record at <selector>._domainkey.<domain> (RFC 6376). Returns the parsed key params (algorithm, length, flags) so you can verify rotation status or key strength. Caller must know the selector - use email-deliverability if you don't.

Endpoint

POST https://agent402.tools/api/dkim-lookup

4

Calls / 30d

1

Unique payers / 30d

Aug 31

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://agent402.tools/api/dkim-lookup", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "domain": "google.com",
    "selector": "20221208"
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://agent402.tools/api/dkim-lookup" \
  -H "Content-Type: application/json" \
  -d '{"domain":"google.com","selector":"20221208"}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "domain": "google.com",
  "flags": [],
  "fullName": "20221208._domainkey.google.com",
  "hasRecord": true,
  "hashAlgorithms": [],
  "keyType": "rsa",
  "publicKey": {
    "base64": "MIIBIj...",
    "bits": 2048,
    "revoked": false
  },
  "raw": "v=DKIM1; k=rsa; p=MIIBIj...",
  "selector": "20221208",
  "serviceType": "*",
  "version": "DKIM1",
  "warnings": []
}

Payment details

Pay to0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon, Monad, Avalanche, eip155:1329, Optimism, Fraxtal, eip155:42220, stellar:pubnet, algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=
Schemesexact, upto

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