Introduction to webhooks

You can use a webhook from an automation bot to post to any web service on the Internet. This is a powerful way to integrate your AppSheet app with a variety of popular services like Zapier, Slack, Twitter, Twilio, and IFTTT among others.

The web service must support a REST API. Your webhook can invoke any of the operations exposed via the web service's REST API.

A webhook is a means of invoking a "fire and forget" operation using the web service. A webhook cannot be used to retrieve and process data from a web service.

To use a webhook you need to do the following:

Set up a developer account with a remote web service

Set up a developer account with a remote web service, such as Twilio. The web service will normally provide three pieces of information:

  • URL endpoint.
  • Authentication information. This may be a token or username/password.
  • REST API. This describes the JSON payload to be sent to the URL endpoint via an HTTP POST message to invoke a specific action.

Call a webhook from a bot in AppSheet

Call a webhook from a bot in AppSheet, as described in Call a webhook from a bot. When configuring the webhook, you provide the following information obtained when setting up your remote web service account:

  • URL of the remote web service. You can use expressions to dynamically construct the URL.
  • Authentication information, typically sent in the headers with the webhook.
  • JSON payload data, typically sent in the Body of the webhook. You can use expressions when constructing the body based on the input to the automation.
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