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

# Webhooks

> How the switching service notifies participating applications about routed transactions.

# Webhooks

The switch uses webhooks to notify participating applications when a transaction reaches them.

## Delivery model

* The receiver application gets a `TRANSACTION_INITIATED` webhook.
* The sender application gets a final outcome callback when the transaction is accepted, rejected, or expired.
* The platform retries failed deliveries up to 3 times.

## Verify signatures

Every webhook includes a signature header. Verify it before you trust the payload.

## Decrypt payloads

If you enable encryption, decrypt the payload before you process it.

## Respond quickly

Return a 2xx response as soon as you have accepted the event for processing.
This keeps delivery latency low and prevents unnecessary retries.

## Related topics

* [Quickstart](/switch/quickstart)
* [Payments](/switch/payments)
* [Integration guide](/switch/integration-guide)