# Services from api.mavrin.app on Zero

> api.mavrin.app serves 5 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/api.mavrin.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.mavrin.app/health.json

## Services

- [Mavrin Prediction Market Batch Odds API](https://www.zero.xyz/c/mavrin-prediction-market-batch-odds-api-add77b86/llms.txt): $0.012/call via x402. Fetches real-time yes/no odds for up to 10 prediction market pairs from both Kalshi and Polymarket US in a single request
- [Mavrin Prediction Market Odds API](https://www.zero.xyz/c/mavrin-prediction-market-odds-api-6d976b5f/llms.txt): $0.004/call via x402. Returns real-time yes/no ask prices and arbitrage gap for a tracked market pair across Kalshi and Polymarket US
- [Mavrin Divergence Live — Cross-Platform Prediction Market Price Gap Feed](https://www.zero.xyz/c/mavrin-divergence-live-cross-platform-prediction-market-price-gap-feed-4fbb8ee1/llms.txt): $0.02/call via x402. Returns live price divergence pairs between Kalshi and Polymarket (QCX) for the same underlying markets, enabling arbitrage and hedging analysis.
- [Mavrin Divergence Signals API](https://www.zero.xyz/c/mavrin-divergence-signals-api-f1a61f29/llms.txt): $0.05/call via x402. Returns cross-venue arbitrage and divergence signals between Kalshi and Polymarket prediction markets, including edge, confidence, price, and side for each signal.
- [Mavrin Prediction Market Rank API](https://www.zero.xyz/c/mavrin-prediction-market-rank-api-688b9747/llms.txt): $0.05/call via x402. Returns ranked prediction market opportunities from Kalshi and Polymarket, scored by worth and failure risk, to help AI agents identify the best markets to trade or monitor.

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)