# Services from dataendpoints-production.up.railway.app on Zero

> dataendpoints-production.up.railway.app serves 3 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/dataendpoints-production.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/dataendpoints-production.up.railway.app/health.json

## Services

- [Otto AI Protocol Revenue Leaders](https://www.zero.xyz/c/otto-ai-protocol-revenue-leaders-32393716/llms.txt): $0.001/call via x402. Returns a ranked list of top blockchain protocols by revenue, refreshed hourly with freshness metadata.
- [Otto AI Stablecoin Watch](https://www.zero.xyz/c/otto-ai-stablecoin-watch-cf52b71c/llms.txt): $0.001/call via x402. Returns hourly-refreshed stablecoin market data with generatedAt/staleness metadata, served by Otto AI's data endpoint infrastructure.
- [Otto AI Base Season Data Endpoint](https://www.zero.xyz/c/otto-ai-base-season-data-endpoint-b70ddab2/llms.txt): $0.001/call via x402. Returns hourly-refreshed base season crypto/DeFi data with freshness metadata including generatedAt timestamp.

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)