# Services from meryol-payai.hf.space on Zero

> meryol-payai.hf.space serves 6 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/meryol-payai.hf.space
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/meryol-payai.hf.space/health.json

## Services

- [meryol-payai Cross-Chain Token Price Sanity Check](https://www.zero.xyz/c/meryol-payai-cross-chain-token-price-sanity-check-8ae3ecd6/llms.txt): $0.002/call via x402. Fetches a median token price in USD aggregated from CoinGecko, DexScreener, and GeckoTerminal, with per-source quotes, spread in basis points, and stale/divergent feed detection.
- [PayAI Gas Price Oracle](https://www.zero.xyz/c/meryol-payai-hf-space-d2bf1a29/llms.txt): $0.001/call via x402. Returns a live gas snapshot for Ethereum-compatible chains including base fee, p50/p90 priority fees in gwei, and USD cost estimates for common transaction types using real-time ETH/USD pricing.
- [Perp Funding Rate Aggregator (Hyperliquid + dYdX + Aevo)](https://www.zero.xyz/c/perp-funding-rate-aggregator-hyperliquid-dydx-aevo-5bcd58d9/llms.txt): $0.005/call via x402. Aggregates live perpetual funding rates across Hyperliquid, dYdX, and Aevo for a given ticker, returning per-venue 8h funding, annualized APR, open interest, mark price, and cross-venue median APR.
- [meryol-payai Chain Health Check](https://www.zero.xyz/c/meryol-payai-chain-health-check-017021fb/llms.txt): $0.001/call via x402. Probes multiple public RPC nodes in parallel for a given EVM chain and returns a 0-100 health score, median block number, RPC lag, head age, and per-node latency.
- [ERC-20 Top Holder Concentration Check](https://www.zero.xyz/c/erc-20-top-holder-concentration-check-104b4372/llms.txt): $0.003/call via x402. Returns top-10 holder concentration metrics for an ERC-20 token on a given chain, enabling pre-trade exit-liquidity risk assessment.
- [Farcaster Identity Lookup](https://www.zero.xyz/c/farcaster-identity-lookup-fb0fec36/llms.txt): $0.002/call via x402. Resolves a Farcaster username, FID, or 0x address to full profile metadata including social stats, custody address, and verified wallets

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)