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Gainsight Inc.

Call External API Action Type

Gainsight NXT

This article supports Gainsight NXT, the next evolution of the Customer Success platform. If you are using Gainsight CS Salesforce Edition, you can find supporting documentation by visiting the home page, and selecting CS > Salesforce Edition.

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IMPORTANT - Articles Impacted due to 6.34 October NXT Release

Due to the v6.34 October, 2022 release, this article has been impacted. Steps, images, and playable GIFs in this article will soon be updated to reflect the latest changes.

For more information about the latest UI changes, click here.


This article explains how to use the Call External API action type in Rules Engine. Gainsight recommends you to refer to the Configure External Actions from Gainsight and then proceed with this article.


The Call External API Action type in Rules engine allows you to establish a connection with external systems from within Gainsight and request action from the external system via an API. In this case, Gainsight is the source system and the external application to which you connect, is the target system.

This article explains how to use the action type in Rules Engine. 


  • You must configure the Custom Connector.
  • You must configure External Actions.

Use the Action type in Rules Engine 

Once you create and configure the custom connection and External action, you can see that the action type is now displayed in Rules Engine. 

To use the Call External API Action:

  1. Create a Rule and include the required fields in the dataset. 

  2. From the Action menu select, Call External API.


  1. From the External API drop-down menu, select the required action configured in the External Actions page. Your actions are listed down under their respective connections. In this example, the connection name is Slack and the action name is Post to Slack.


 You can view the POST URL. It is in read only mode. You can view the list of fields which are populated from the API and the fields populated from your dataset. In the following example, only one field is populated from API. However, you can have multiple fields.


  1. Map the Dataset field to your API field.

select action.GIF

Data present in the dataset field is ingested into the API field and this ingested value is posted to Slack (in this action). 

You can map the values to any of the dataset fields. The value present in the Dataset is ingested to the API field. You can also choose to ingest custom values which are not present in the dataset.



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