## Alert signals

- Sudden drop in checkout success rate.
- Increase in 4xx/5xx errors when creating sessions.
- Customer tickets reporting blocked payments.

## Immediate response

<Steps>
  <Step title="1) Confirm scope">Isolate whether impact is global, per organization, or per mode (test/live).</Step>
  <Step title="2) Verify dependencies">Check Stripe availability, database health, and processing queues.</Step>
  <Step title="3) Mitigate">Enable safe fallback or controlled degradation to avoid full conversion loss.</Step>
  <Step title="4) Communicate">Publish update with impact, active mitigation, and next review checkpoint.</Step>
</Steps>

## Technical checklist

- Checkout endpoint responds within SLA.
- Organization token and scopes are valid.
- No abnormal growth of reconciliation failures.

<Warning title="Common mistake">Manual retries without first checking for an existing pending checkout can amplify inconsistencies. Validate the returned error, pending session, and current subscription state before retrying.</Warning>