A webhook is an event sent to your server by an external service. When building a webhook handler:
<ul>
<li>Ensure your handler is idempotent, as the third-party system may retry requests.
</li>
<li>Never acknowledge a webhook request unless it's processed successfully to avoid retries.
</li>
<li>When integrating a webhook from a service like Stripe, adhere to their API specifications for event formats.
</li>
</ul>
A websocket is a continuous link between a client and server, commonly for real-time communication such as chat apps. Conversely, webhooks are unidirectional, transferring data from a third-party service to your server.

A webhook is an event sent to your server by an external service. When building a webhook handler:

* Ensure your handler is idempotent, as the third-party system may retry requests.
    
* Never acknowledge a webhook request unless it's processed successfully to avoid retries.
    
* When integrating a webhook from a service like Stripe, adhere to their API specifications for event formats.
    

A **websocket** is a continuous link between a client and server, commonly for real-time communication such as chat apps. Conversely, **webhooks** are unidirectional, transferring data from a third-party service to your server.