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Trigger an API call

Datasources are designed and configured in the Service Designer. To make a datasource available to the frontend, you need to trigger an API call from within the App Designer.

Trigger the API call​

Every API call is triggered by a specific event. There are two primary ways to initiate these calls:

On page load​

You can configure a datasource to run automatically when the page loads. This is useful for populating components, such as tables and lists with initial data.

To enable this, perform the following:

  1. Select the datasource in the App Designer.

  2. In the configuration panel, locate the Auto Request toggle. This toggle is off by default.

    Auto Request toggle

  3. Enable the toggle. The API will then be called automatically every time the page loads.

On user action​

For an action such as submitting a form or clicking a button, you can bind the API call to a component event (e.g., an onClick event). In the JavaScript function for that event, call the datasource's load() method to trigger the API request.

Last updated on 20 May 2026