# Services from extra.watch on Zero

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

## Services

- [extra.watch Stream History API](https://www.zero.xyz/c/extra-watch-stream-history-api-aaa2be1c/llms.txt): $0.03/call via x402. Returns structured historical summaries of Twitch crypto and memecoin streams, including sentiment, coin mentions with first-mention timestamps and prices, topics, guests, and duration.
- [extra.watch Stream Summaries API](https://www.zero.xyz/c/extra-watch-stream-summaries-api-641d15d0/llms.txt): $0.01/call via x402. Returns structured summaries of Twitch crypto and memecoin streams, including streamer and chat sentiment, coin mentions with first-mention time and price, topics, guests, and stream duration.
- [extra.watch Stream Summaries API](https://www.zero.xyz/c/extra-watch-stream-summaries-api-9457133d/llms.txt): $0.01/call via x402. Returns structured summaries of the latest Twitch crypto/memecoin stream for a given channel, including sentiment, coin mentions, topics, guests, and duration.

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)