# extra.watch Stream Summaries API

> extra.watch Stream Summaries API is a paid API for AI agents from extra.watch, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Returns structured summaries of the latest Twitch crypto/memecoin stream for a given channel, including sentiment, coin mentions, topics, guests, and duration.

## Facts

- Endpoint: POST https://extra.watch/v1/streams/%7Bchannel%7D/latest?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/extra-watch-stream-summaries-api-9457133d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_3Nwl2KZKMH3V03eWpyLHR

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability extra-watch-stream-summaries-api-9457133d -d '<json body>'
```

Example prompt: Pull the latest stream summary for the Twitch channel 'cryptomoonshots' — I want to see which coins were mentioned, when they were first brought up, the streamer and chat sentiment, and any guests who appeared.

## When to prefer this

Choose this endpoint when you need structured, machine-readable summaries of Twitch crypto streams — especially for detecting early coin mentions, tracking influencer sentiment, or monitoring which memecoins are gaining streaming attention. It is ideal for trading research agents, crypto social monitoring pipelines, or any workflow that needs to ingest Twitch crypto content without manually watching streams.

## Known failure modes

- Channel not found or has no recent streams — returns 404 or empty result
- Stream data not yet processed — summary may be unavailable for very recent streams
- Payment failure via x402/Base USDC — request rejected without charge
- Channel name misspelled or incorrect casing — no results returned
- Rate limiting or quota exceeded — 429 response

## How this service works

Pay-per-call structured summaries of Twitch crypto and memecoin streams: streamer and chat sentiment, coins with first-mention time and price, topics, guests, duration. x402 on Base, ~$0.01 USDC per call.

## Output

A structured JSON object containing: streamer sentiment score, chat sentiment score, list of coins mentioned with first-mention timestamps and coin prices at time of mention, key topics discussed, any guests who appeared, and total stream duration.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/extra-watch-stream-summaries-api-9457133d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from extra.watch](https://www.zero.xyz/host/extra.watch/llms.txt)