User LookupGET /v2/farcaster/user/bulk · x402 API by Neynar

Look up Farcaster user profiles by FID. Returns profile info, bio, follower counts, and connected addresses. Pay per request via x402 — no API key required.

https://api.neynar.com/v2/farcaster/user/bulk

What does this x402 API do?

User Lookup. This is an x402-gated GET API resource from Neynar. TOLL·402 records origin reachable evidence as of 2026-08-15. The listing records $0.01 USD-denominated per request on Base. No settled paid call has been verified.

Published price: $0.01 USD-denominated per request
Networks: Base
Latest evidence: TOLL·402 records origin reachable evidence as of 2026-08-15
Resource ID: c43bdf48d8294577792bbf5b

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://api.neynar.com/v2/farcaster/user/bulk", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-08-15 02:53 UTC
http 402 invalid · accept-0:resource-mismatch
Origin reachable2026-08-15 02:49 UTC
HEAD https://api.neynar.com/ returned 404.
Observed in 402-index2026-08-11 05:29 UTC
Discovered through discovery.
Registry record checked2026-08-11 02:26 UTC
Registry health: healthy.

What evidence supports this listing?

402-indexobserved 2026-08-11 · open source record ↗

origin checkHEAD https://api.neynar.com/ → 404 on 2026-08-15

route quoteHTTP 402 returned, but its payment requirements failed protocol validation · 2026-08-15

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is $0.01 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.

The registry did not expose full payment options for this record.