# Services from keyless-theta.vercel.app on Zero

> keyless-theta.vercel.app serves 2 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/keyless-theta.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/keyless-theta.vercel.app/health.json

## Services

- [Keyless Answer API](https://www.zero.xyz/c/keyless-answer-api-0374ee1f/llms.txt): $0.02/call via x402. Answers a natural language question using a large language model with live web sources, billed per-query via x402 USDC micropayment on Base
- [Keyless Web Search via Exa.ai](https://www.zero.xyz/c/keyless-web-search-via-exa-ai-8c950482/llms.txt): $0.009/call via x402. Performs a web search query using Exa.ai and returns ranked results with titles, URLs, text snippets, and publication dates — payable per-call with USDC on Base via x402, no signup required.

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)