# Services from api.neynar.com on Zero

> api.neynar.com serves 3 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.neynar.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.neynar.com/health.json

## Services

- [Neynar Farcaster User Lookup by Username](https://www.zero.xyz/c/neynar-farcaster-user-lookup-by-username-a29944e3/llms.txt): $0.01/call via x402. Retrieves a Farcaster user's profile and account details by their username
- [Neynar Farcaster Bulk User Lookup](https://www.zero.xyz/c/neynar-farcaster-bulk-user-lookup-e65fdf5b/llms.txt): $0.01/call via x402. Fetches profile data for multiple Farcaster users in a single bulk GET request by FID or address
- [Neynar Farcaster User Registration](https://www.zero.xyz/c/neynar-farcaster-user-registration-76929a6a/llms.txt): $0.0001/call via x402. Creates or registers a new Farcaster user account via the Neynar developer platform

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)