# Services from www.ritmex.one on Zero

> www.ritmex.one 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/www.ritmex.one
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/www.ritmex.one/health.json

## Services

- [Ritmex x402 v2 Test Endpoint](https://www.zero.xyz/c/www-ritmex-one-59bd0cf9/llms.txt): $0.001/call via x402. A test endpoint implementing the x402 payment protocol v2, requiring a micropayment of 1000 USDC on Base (eip155:8453) to process a request.
- [RitMEX Polymarket Chrome Extension Access](https://www.zero.xyz/c/ritmex-polymarket-chrome-extension-access-83bec88b/llms.txt): $1/call via x402. Provides access to download or retrieve the Polymarket browser/Chrome extension via a paid x402 endpoint
- [RitMEX Bitcoin Calendar (黄历)](https://www.zero.xyz/c/ritmex-bitcoin-calendar-79286cce/llms.txt): $0.01/call via x402. Returns a Bitcoin-themed traditional Chinese almanac (黄历/huangli) calendar entry, providing auspicious/inauspicious day guidance framed around crypto trading.
- [RitMEX Open Source Projects Access](https://www.zero.xyz/c/ritmex-open-source-projects-access-7c071cb6/llms.txt): $1/call via x402. Returns a collection of open source projects available through the RitMEX crypto data platform

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)