# Services from upstream.toolweather.workers.dev on Zero

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

## Services

- [Upstream AI/Dev API Status & Breaking-Change Feed](https://www.zero.xyz/c/upstream-ai-dev-api-status-breaking-change-feed-6ea92535/llms.txt): $0.01/call via x402. Returns live status updates and breaking-change events (deprecations, replacements, outages) for ~40 AI and developer APIs, filterable by provider, event kind, and time window.
- [Upstream AI/Dev API Status & Deprecation Monitor](https://www.zero.xyz/c/upstream-ai-dev-api-status-deprecation-monitor-3c0bd23e/llms.txt): $0.003/call via x402. Returns live operational status and breaking-change/deprecation alerts for a named AI or developer API provider
- [Upstream AI/Dev API Status & Model Deprecation Checker](https://www.zero.xyz/c/upstream-ai-dev-api-status-model-deprecation-checker-fa6490fe/llms.txt): $0.003/call via x402. Checks live status and deprecation/replacement info for a specific AI or developer API model by ID

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)