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Overview

LaunchDarkly is a feature management platform that empowers development teams to safely deliver, control and measure their software through feature flags. With LaunchDarkly, you can run experiments on any feature flag. Integrated with Zeotap CDP, this Destination allows you to send the segments created in Zeotap CDP to be used in LaunchDarkly feature flags.

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Prerequisites

Ensure that you obtain the following prerequisites from LauchDarkly before proceeding with this integration:
  • Access Token
  • Client-side ID

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Access Token

An Access token in LaunchDarkly is a unique identifier that allows you to authenticate and control access to your LaunchDarkly feature flags and experiments. Perform the following steps to obtain the API Access token:
1
Log into the LaunchDarkly console and navigate to Account settings > Authorization.
2
Under Access tokens, click Create token.
3
In the Create access token window that appears, provide the following details:a. Enter a Name for your access token.b. Choose the Role as Writer for your access token from the drop-down menu.c. Choose the API version for your token from the drop-down menu. By default, the API requests you send using this token will use this API version. For more information about how the API versioning works in LaunchDarkly, refer here.d. If you are Enterprise customer, you can click This is a service token checkbox if you wish to create a service token.
4
Review the entered details and click Save Token. The newly created Access token gets listed on the Authorization page as shown in the image below. Ensure to copy and save the token securely as it is hidden once you leave the page.

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Client-side ID

This is the Client-side ID of your LaunchDarkly account. Perform the following steps to obtain the Client-side ID:
1
Log into LaunchDarkly account and navigate to Account Settings.
2
Click Projects tab and select the project you want to link to Zeotap CDP.
3
In the new screen that appears, under the Environments tab, copy the Client-side ID next to the environment that you wish to link with Zeotap CDP. You can use this information while creating a Destination in Zeotap CDP.

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Destination Setup

After you have applied filters or added conditions for your users in Journeys, you can activate them in Emarsys under Send to Destinations. A new window appears, where you can set up your destination. You can use an already existing destination from the list of available Destinations or create a new one by clicking + Add New Destination.

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Add New Destination

Perform the following steps to add a new destination:
1
Click Add New Destination.
2
Search for launchDarkly.
3
Click launchDarkly and enter a name for the Destination.
4
Enter the Access Token and Client Side ID obtained from your LauchDarkly account and click Next.
5
In the mapping screen that appears, under Choose your Action, select Send Identifiers to LaunchDarkly in realtime as the action for sending data to the workflow created in Journeys. Under Map the Fields, map the appropriate Catalogue fields to the Destination fields to send to Destination.
6
Once the mapping is complete, click Create Destination. The destination is created and made available for activation on Journeys.

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Activate the Destination on Journeys

After creating a destination, next, you need to link it in the Send to Destination node within the workflow, as explained below.
1
In the workflow, click + and choose Send to Destinations.
2
Choose the destination from the list of available destinations by using the search feature.
3
Under the Destination Details tab, the Access Token and Client Side ID fields are automatically populated based on the value that you had entered while creating the destination. However, in the Segment Name and Segment Id fields, enter a name and Id to categorise your users.
4
Under the Destination Settings tab, choose the Action and mapping as per your requirement.
5
Upon clicking Save Destination. The destination is attached as shown in the image below.
Last modified on February 26, 2026