# Services from call402.com on Zero

> call402.com serves 10 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/call402.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/call402.com/health.json

## Services

- [call402.com Weather API (x402)](https://www.zero.xyz/c/call402-com-weather-api-x402-7795d80c/llms.txt): $0.005/call via x402. Returns current conditions and a multi-day forecast for a given city or coordinates, paid per-call with USDC via the x402 protocol on Base mainnet.
- [x402 Trending DeFi Pools](https://www.zero.xyz/c/x402-trending-defi-pools-1df38847/llms.txt): $0.005/call via x402. Returns trending liquidity pools (by volume and activity) for a given blockchain network via GeckoTerminal data, paid per-call with USDC via the x402 protocol.
- [x402 Web Search API](https://www.zero.xyz/c/x402-web-search-api-5149473a/llms.txt): $0.01/call via x402. Performs a live web search query and returns ranked results with titles, URLs, highlights, and publication dates, paid per-call via USDC on Base mainnet.
- [x402 Agent Services – Web Answer (AI-powered Q&A)](https://www.zero.xyz/c/x402-agent-services-web-answer-ai-powered-q-a-b4f7322c/llms.txt): $0.02/call via x402. Answers a natural-language question with a cited AI-generated response, sourced from live web content via Exa, billed at $0.02 USDC per call via the x402 micropayment protocol on Base mainnet.
- [x402 Email Verification API](https://www.zero.xyz/c/x402-email-verification-api-1c62e3ea/llms.txt): $0.005/call via x402. Validates an email address by checking syntax, disposable domain lists, and MX DNS records, returning a deliverability verdict
- [x402 FX Rates API](https://www.zero.xyz/c/x402-fx-rates-api-c755e74e/llms.txt): $0.005/call via x402. Returns daily foreign exchange reference rates for one or more currency pairs, paid per-call via USDC microtransaction on Base mainnet.
- [call402 Token Risk Summary](https://www.zero.xyz/c/call402-token-risk-summary-2476086c/llms.txt): $0.05/call via x402. Returns a risk score, risk level, and risk flags for a given ERC-20 token contract on Base or Ethereum, paid per-call via USDC over the x402 protocol.
- [x402 Wallet Activity Summary](https://www.zero.xyz/c/x402-wallet-activity-summary-4c3a1508/llms.txt): $0.05/call via x402. Returns a comprehensive activity summary for an EVM wallet address including native balance, top tokens, recent transactions, and anomaly detection on Ethereum or Base.
- [x402 Text-to-Structure Extraction API](https://www.zero.xyz/c/x402-text-to-structure-extraction-api-b6d78577/llms.txt): $0.005/call via x402. Extracts structured entities and key-value pairs from free-form text, including dates, emails, money amounts, URLs, EVM addresses, and custom fields
- [x402 Token Quotes API](https://www.zero.xyz/c/x402-token-quotes-api-585d9e00/llms.txt): $0.005/call via x402. Returns DEX trading pair data and current USD price for a given EVM or Solana token contract address, paid per-call via USDC over the x402 protocol.

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)