# Services from bluepages.fyi on Zero

> bluepages.fyi serves 4 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/bluepages.fyi
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/bluepages.fyi/health.json

## Services

- [bluepages.fyi - Crypto Address ↔ Twitter Lookup](https://www.zero.xyz/c/bluepages-fyi-crypto-address-twitter-lookup-6fee7cd0/llms.txt): $0.05/call via x402. Look up the Twitter handle, Farcaster username, and ENS name associated with an Ethereum address (or vice versa) using aggregated on-chain and social data sources.
- [bluepages.fyi Batch Crypto Address & Twitter Handle Lookup](https://www.zero.xyz/c/bluepages-fyi-batch-crypto-address-twitter-handle-lookup-a949e152/llms.txt): $0.04/call via x402. Batch check up to 50 cryptocurrency addresses and/or Twitter handles for existence across Twitter and Farcaster in a single request
- [BluPages Batch Address/Twitter Mapping Lookup](https://www.zero.xyz/c/bluepages-fyi-37eaace5/llms.txt): $2/call via x402. Batch retrieves identity mapping data for up to 50 blockchain addresses or Twitter handles in a single call.
- [bluepages.fyi Identity & Address Lookup](https://www.zero.xyz/c/bluepages-fyi-6f4b301f/llms.txt): $0.001/call via x402. Checks whether an Ethereum address or social identity (Twitter handle, email, username) exists in the bluepages database

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)