> ## Documentation Index
> Fetch the complete documentation index at: https://docs.linquid.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Handle Payment Failures and Plan Changes

> Respond to card failures, retries, upgrades, downgrades, and gate changes

# Handle Payment Failures and Plan Changes

## Payment failure runbook

1. Review failed payment event and reason.
2. Update card/payment method.
3. Confirm successful retry.
4. Verify subscription status returns to active.

## Plan change runbook

1. Review target plan limits and gated features.
2. Check domains/integrations/features that exceed new plan.
3. Apply downgrade-safe configuration updates.
4. Verify post-change access and module behavior.

## Related

* `/help/billing/understand-plans-credits-and-auto-top-up`
* `/user-guides/manual/monetization/plan-gate-validation-playbook`