Investigating a Cloudflare Workers AI failure
Check model-specific failures, response errors and the scope of a Workers AI incident.
2 min read
The CheckUpstream blog
Engineering,
upstream.
What to check when a vendor fails. How to map your dependencies. And what the evidence can actually tell you.
Browse all articlesIncidents
7 articles
Topic: Incidents
Clear filtersInvestigating API rate limits without creating a retry storm
Check rate limits, concurrent jobs and retry behaviour when API requests start failing.
1 min read
What a vendor status page can tell you
Use vendor incident reports alongside endpoint measurements and your own request data. Each source answers a different part of the investigation.
1 min read
Investigating Stripe issues across payments, webhooks, and checkout
Separate API errors, webhook delays and checkout failures in a Stripe investigation.
1 min read
What to check first when checkout starts failing
A short checkout incident runbook: establish the failing step, check internal and vendor changes, protect payment state, and record what happened.
1 min read
Deciding when a vendor incident should page someone
Write a response rule for each dependency: which user journeys it affects, how to confirm impact, and when a person needs to act.
1 min read
How a dependency failure can spread through your app
An illustrative failure chain: slow requests, repeated retries and a growing queue. What to inspect before treating every symptom as a separate outage.
2 min read