# Churn Risk Rules

- [Rule: Cancelled Subscription Signal (Zuora)](/guides/detection-rule-guides/churn-risk-rules/rule-cancelled-subscription-signal-zuora.md)
- [Rule: Subscription Churn Risk (Zuora)](/guides/detection-rule-guides/churn-risk-rules/rule-subscription-churn-risk-zuora.md)
- [Rule: Failed Subscription Payment (Stripe)](/guides/detection-rule-guides/churn-risk-rules/rule-failed-subscription-payment-stripe.md)
- [Rule: Account Health Score Drop (Salesforce)](/guides/detection-rule-guides/churn-risk-rules/rule-account-health-score-drop-salesforce.md)