A webhook is a way for an app to send real-time information to other applications. Webhooks are typically used to connect two different applications. For instance, when a contact form on your Weblium site has been submitted, it serializes the data and sends it to a webhook URL from the action application — the one where you'd like to process the data from your contact form.
Read our complete guide on how to receive data from the submitted forms to the custom app.