# Services from meryol-agenticmarket-x402.hf.space on Zero

> meryol-agenticmarket-x402.hf.space serves 24 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-agenticmarket-x402.hf.space
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/meryol-agenticmarket-x402.hf.space/health.json

## Services

- [EVM Wallet Age & Sybil Signal Checker](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-1f029e67/llms.txt): $0.002/call via x402. Returns cross-chain wallet age, first-seen timestamp, transaction activity, and a freshness/sybil score (0-100) for an EVM address across Ethereum, Base, Arbitrum, and Optimism.
- [EVM Gas Price Snapshot](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-464b3d40/llms.txt): $0.001/call via x402. Returns live base fee, p50/p90 priority fees in gwei, and USD cost estimates for common transaction types on Ethereum, Base, Arbitrum, or Optimism
- [EVM Chain Health Probe](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-6e09ed41/llms.txt): $0.001/call via x402. Queries 3 public RPCs in parallel for a given EVM chain and returns median block number, RPC lag, head age, latency, and a 0-100 health score
- [EVM Smart Contract Explainer](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-18672646/llms.txt): $0.01/call via x402. Returns a structured explanation of any EVM smart contract including type classification, risk warnings, and top called functions in the last 24 hours
- [Cross-Source Token Price Aggregator (CoinGecko + DexScreener + GeckoTerminal)](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-1d324434/llms.txt): $0.002/call via x402. Returns a median USD price for any ERC-20 token or ticker across CoinGecko, DexScreener, and GeckoTerminal, with per-source quotes and spread in basis points to detect stale feeds or arbitrage windows.
- [ERC-20 Top Holder Concentration Report](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-20e5d7e7/llms.txt): $0.003/call via x402. Returns top-N holder analysis for an ERC-20 token including concentration percentages, contract/EOA flags, and well-known wallet labels for rug/sniper risk assessment.
- [DeFi Yield Pool Rankings by APY](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-0cba3005/llms.txt): $0.002/call via x402. Returns the top-N DeFi yield pools across all chains sorted by APY, with live APY, 30-day mean, stability score, TVL, impermanent loss risk, and risk caveats
- [OpenSea NFT Collection Stats by Slug](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-29cf1409/llms.txt): $0.002/call via x402. Fetches floor price, supply, owner count, and multi-period volume/sales stats for an NFT collection using its OpenSea slug
- [Chainlink Oracle Freshness Probe](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-83700af5/llms.txt): $0.002/call via x402. Probes a Chainlink oracle feed on EVM chains via eth_call to latestRoundData(), returning staleness, scaled answer, and a safety flag for lending/AMM agents
- [Perpetual Funding Rates Multi-Venue (Hyperliquid + dYdX + Aevo)](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-75358459/llms.txt): $0.005000/call via x402. Returns per-venue 8h funding rate, annualized APR, open interest, and mark price for a crypto ticker across Hyperliquid, dYdX, and Aevo, plus a median APR across venues.
- [ENS Bidirectional Resolver](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-2a055e6d/llms.txt): $0.001/call via x402. Resolves ENS names to Ethereum addresses (forward) or Ethereum addresses to primary ENS names (reverse lookup)
- [Farcaster User Lookup](https://www.zero.xyz/c/meryol-agenticmarket-x402-hf-space-f0b68446/llms.txt): $0.002/call via x402. Resolves a Farcaster identity (username, FID, or 0x address) and returns full profile metadata including social graph counts and verified addresses.
- [PreFlight Token Due Diligence](https://www.zero.xyz/c/preflight-token-due-diligence-c64cb96f/llms.txt): $0.05/call via x402. Runs pre-trade token due diligence on EVM tokens — scoring rug risk, LP lock status, holder concentration, honeypot checks, and ownership renouncement — and returns a trade verdict with position sizing recommendation.
- [PreFlight Transaction Pre-Sign Safety Checker](https://www.zero.xyz/c/preflight-transaction-pre-sign-safety-checker-1ec8777a/llms.txt): $0.015/call via x402. Analyzes EVM transaction calldata before signing to detect risk flags, decode intent, and recommend whether to approve or decline
- [PreFlight Top Token Holders](https://www.zero.xyz/c/preflight-top-token-holders-3487f55a/llms.txt): $0.003/call via x402. Returns the top N token holders for a given token on an EVM chain, including balance percentages, contract labels, and concentration metrics.
- [PreFlight – Decode TX Calldata](https://www.zero.xyz/c/preflight-decode-tx-calldata-9656afbd/llms.txt): $0.003/call via x402. Decodes EVM transaction calldata and flags red-flag patterns (e.g. unlimited approvals, unverified spenders) before an agent signs
- [PreFlight Oracle Freshness Check](https://www.zero.xyz/c/preflight-oracle-freshness-check-f7301cdf/llms.txt): $0.002/call via x402. Checks whether a Chainlink or on-chain price feed is fresh and safe to use before an agent signs a transaction dependent on that oracle price.
- [PreFlight Gas Price Check](https://www.zero.xyz/c/preflight-gas-price-check-eba1ea43/llms.txt): $0.001/call via x402. Returns current gas prices, base fee, priority fee percentiles, ETH price, and estimated transaction costs for a specified EVM chain in real time.
- [PreFlight Perps Funding Rate Checker](https://www.zero.xyz/c/preflight-perps-funding-rate-checker-3e6d50e3/llms.txt): $0.005/call via x402. Returns cross-venue perpetual futures funding rates, APR, mark price, and open interest for a given market symbol across venues like Hyperliquid and dYdX.
- [PreFlight Chain Health Check](https://www.zero.xyz/c/preflight-chain-health-check-cf3f3a9b/llms.txt): $0.001/call via x402. Returns RPC health status, block head age, latency, and sync score for a specified EVM chain before signing a transaction
- [PreFlight Cross-Venue Price Check](https://www.zero.xyz/c/preflight-cross-venue-price-check-cc499e33/llms.txt): $0.002/call via x402. Fetches cross-source token price data including median price, spread in basis points, and per-source quotes for a given token on a specified EVM chain
- [PreFlight Bridge Route](https://www.zero.xyz/c/preflight-bridge-route-a5e14142/llms.txt): $0.01/call via x402. Finds the optimal cross-chain bridge route with executable calldata, fee estimates, and ETA for moving tokens between EVM chains before signing
- [PreFlight Farcaster Counterparty Identity Check](https://www.zero.xyz/c/preflight-farcaster-counterparty-identity-check-d0cd65c3/llms.txt): $0.002/call via x402. Looks up a Farcaster user profile by username or FID, returning identity, social graph stats, and verified wallet addresses for pre-trade counterparty due diligence.
- [PreFlight Web Search](https://www.zero.xyz/c/preflight-web-search-cd2eac70/llms.txt): $0.003/call via x402. Searches the web for pre-trade intelligence, token due diligence, calldata red-flag data, oracle freshness, bridge security, and DeFi risk information to help autonomous agents verify before signing transactions.

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

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