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Upstream AI/Dev API Status & Breaking-Change Feed
x402
Upstream AI/Dev API Status & Breaking-Change Feed is a paid API for AI agents from upstream.toolweather.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-20).
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.
Price / call$0.01
Success—
StatusUnknown
How this service works
Is this AI/dev API down? Is this model deprecated and what replaces it? Live status and breaking-change feed for ~40 AI and developer APIs. Free tier: 500 calls/day per free key (POST /v1/keys), 50/day anonymous, 1 free webhook watch. Over the free tier: x402 pay-per-call on eip155:8453.
Output
A JSON object containing a feed of change events for AI/developer APIs, each event describing the provider, the type of change (deprecation, outage, breaking change), affected model or endpoint, replacement recommendation if applicable, and timestamp. The feed can be filtered by provider, event kind, and a since timestamp, with a configurable result limit.
Example use cases
Detect deprecated model and its replacement
“Has the GPT-4 model been deprecated yet, and if so what does Upstream say is the recommended replacement?”
Check if AI provider is currently down
“Is Anthropic's API currently experiencing any outages or issues? Pull the latest status from the Upstream feed.”
Weekly breaking-change digest for AI APIs
“Give me a summary of all breaking changes across any AI or developer APIs that have happened since last Monday — use the Upstream changes feed.”
Technical details
Endpoint
GEThttps://upstream.toolweather.workers.dev/x402/changes?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time or recent historical status and breaking-change information specifically for AI and developer APIs (covering ~40 providers). Prefer it over general web search when you need structured, machine-readable change events with consistent schema — especially for deprecation tracking with replacement model suggestions. It is distinct from generic uptime monitors because it covers AI-specific breaking changes like model deprecations, not just HTTP uptime.
Side effects
- Anonymous rate limit exceeded (50/day) — requires a free API key via POST /v1/keys
- Free tier limit exceeded (500/day) — triggers x402 pay-per-call flow on Base (eip155:8453)
- Unknown or misspelled provider name returns empty results rather than an error
- Invalid since timestamp format may return an error or be ignored
- No events matching filters returns an empty feed, not an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| kind | string | |
| limit | string | |
| since | string | |
| provider | string |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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