# Services from api.isocast.dev on Zero

> api.isocast.dev 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/api.isocast.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.isocast.dev/health.json

## Services

- [Isocast Weather Signals](https://www.zero.xyz/c/isocast-weather-signals-4e2eb988/llms.txt): $0.1/call via x402. Returns bucket-transition signals for Polymarket weather markets, indicating when a city's daily high temperature crosses into a new temperature bucket
- [Isocast Weather SPOT Signal](https://www.zero.xyz/c/isocast-weather-spot-signal-56d3f818/llms.txt): $0.01/call via x402. Returns the single latest observed weather signal for a specified city as a one-time snapshot, charged $0.01 per call via x402.
- [Isocast Polymarket Weather Signal Bundle Subscription](https://www.zero.xyz/c/isocast-polymarket-weather-signal-bundle-subscription-33c5e15a/llms.txt): $0.1/call via x402. Prepurchases a bundle of N Polymarket weather-signal forecasts for a specified city, returning a Bearer receipt redeemable for signal delivery.

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)