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

# Event ordering

> Webhook event ordering guarantees and limitations.

## Ordering guarantees

Meum does **not** guarantee strict global ordering of webhook events across invoices.

Within a single invoice, events follow the invoice state machine (e.g. `invoice.created` before `invoice.paid`).

## Out-of-order delivery

Network retries may cause duplicate or delayed delivery. Always use `X-Stablecoin-Event-Id` for deduplication.

## Related pages

* [Idempotent processing](/webhooks/idempotent-processing)