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Farcaster Profile

by Farcaster profile in Documents & files

x402 APIPassing, checked 2 h ago

Lookup a Farcaster profile by username or FID. Returns FID, username, display name, bio, profile picture URL, follower/following counts, and the canonical Warpcast URL. Use to label cast authors, validate a Farcaster handle, or fetch a profile for display.

POST https://agent402.tools/api/farcaster-profile

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
201 ms typical, 201 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://agent402.tools/api/farcaster-profile" \
  -H "content-type: application/json" \
  -d '{"fid":3}'
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%2Fagent402.tools%2Fapi%2Ffarcaster-profile
const res = await pay("https://agent402.tools/api/farcaster-profile", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"fid":3}),
});
console.log(await res.json());

Example input

{
  "fid": 3
}

Example output

{
  "activeOnFcNetwork": true,
  "bio": "Working on Farcaster.",
  "displayName": "Dan Romero",
  "fid": 3,
  "followerCount": 500000,
  "followingCount": 1000,
  "pfpUrl": "https://...",
  "powerBadge": true,
  "source": "neynar",
  "username": "dwr",
  "venueUrl": "https://warpcast.com/dwr"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402344 ms$0.002
8 h agoPassed402201 ms$0.002