X bulk user lookup

Look up up to 10 X (Twitter) accounts by username in one call. Returns each found profile with public metrics (followers, following, tweets, listed), verification status and bio, plus the list of usernames X did not resolve.

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Input

Example output

{
  "source": "x-api-v2",
  "fetchedAt": "2026-08-20T14:10:00.000Z",
  "count": 1,
  "users": [
    {
      "id": "574032254",
      "username": "coinbase",
      "name": "Coinbase",
      "description": "The future of money is here.",
      "createdAt": "2012-05-07T23:46:41.000Z",
      "verified": true,
      "verifiedType": "business",
      "location": "Global",
      "url": "https://coinbase.com",
      "protected": false,
      "profileImageUrl": "https://pbs.twimg.com/profile_images/.../normal.jpg",
      "metrics": {
        "followers": 6400000,
        "following": 250,
        "tweets": 19000,
        "listed": 9000
      },
      "profileUrl": "https://x.com/coinbase"
    }
  ],
  "notFound": [
    "nosuchuser_xyz"
  ]
}

Try it - see the 402 challenge (free)

curl -i -X POST https://agent402.tools/api/x-users-lookup \
  -H "Content-Type: application/json" \
  -d '{"usernames":["coinbase","base"]}'

The response is HTTP 402 Payment Required with exact payment requirements. Any x402 v2 client pays automatically and retries:

Paid call (JavaScript agent)

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client();
registerExactEvmScheme(client, { signer: privateKeyToAccount(KEY) });
const payFetch = wrapFetchWithPayment(fetch, client);

const res = await payFetch("https://agent402.tools/api/x-users-lookup", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "usernames": [
      "coinbase",
      "base"
    ]
  }),
});

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