# Integrate with Klaviyo > The Klaviyo app integration allows you to use conversation event data from Kustomer with marketing segmentation and automation tools on the Klaviyo platform. Source: https://help.kustomer.com/en_us/integrate-with-klaviyo-B1kAh0JhP Last updated: 2025-06-26T14:36:01.008Z [Klaviyo](https://www.klaviyo.com/) is a marketing automation platform that provides tools to automate sending out personalized emails to the right people, at the right time, and understand their behavior.  Once you connect and sync your Kustomer and Klaviyo accounts, the integration will: * Push Kustomer conversation data to Klaviyo as events (adds metrics for conversation created, conversation closed, and conversation CSAT survey submission) * Push Kustomer customer data to Klaviyo as profiles * Pull relevant Klaviyo campaign, list, and segment data into Kustomer as an Insight Card on the customer timeline **Who can access this feature?** **User types** Admins can set up this integration. ### In this article * [Prerequisites](#prerequisites) * [Important app update required by June 30, 2025](#update)[](#update) * [](#update)[How does Klaviyo work with Kustomer?](#features) * [Install the Klaviyo app](#install) * [Conversation event data in Klaviyo](#conversation) ### Prerequisites To install and configure the Klaviyo app on your Kustomer organization, you will need the [private Klaviyo API Key / Site ID](https://help.klaviyo.com/hc/en-us/articles/7423954176283#h_01HDKDXQA1ZGSRCGM041B507KG) with full permissions for your Klaviyo account. ### Important app update required by June 30, 2025 Starting June 30, 2025, Klaviyo will require all apps to connect via OAuth. This change affects both the legacy and current Klaviyo apps in Kustomer.  To avoid disruption, follow the instructions below to upgrade and reconnect your app. **If you're using the legacy app (v1.2.1):** 1. Go to **Apps** and search for **Klaviyo** in the App Directory. 2. Select **Upgrade** and install the 2.0.0 version of the app.![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/c73ed6b771d6c322c794bc76e3b39509.png) 3. Select **Add Connection** and then select **Connect to Klaviyo**. 4. Enter your Klaviyo credentials and follow the prompts to complete the connection. **If you're using the current Klaviyo app (v2.1.x):** 1. Go to **Apps** and search for **Klaviyo** in the App Directory. 2. If you are not on the latest version of the app (v2.1.3), select **Upgrade**. ![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/3e4c0b2b5bf83daf3f3d6d4ad7cf2208.png) 3. Then, go to **Apps > Kaviyo** and select **Connect to Klaviyo** from the settings page. ![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/02b71da254ee623570503299396d6fb5.png) **Note:** The Private Key field will remain visible temporarily to support customers during this transition, but it is no longer required or recommended. Please use OAuth to connect your Klaviyo account going forward. 4. Follow the prompts in Klaviyo to allow Kustomer to connect with your account. 5. Select **Complete** in Kustomer to finish the process. ### How does Klaviyo work with Kustomer? Once connected, the Klaviyo app will automatically: * **Listen for conversation events in Kustomer when**: * A Conversation object is created * A Conversation object is closed or marked done * A Conversation object logs a completed CSAT survey ![Completed CSAT survey in Kustomer conversation.](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/520278a0f1c12b811c6c2a19a89959b1.png) * **Send** [**conversation event data**](#conversation) **from Kustomer into Klaviyo for marketing segmentation and workflows.** Once in Klaviyo, you can use the conversation event data to segment contacts and create automated marketing workflows. * **View a customer's data in a Klaviyo [profile](https://help.klaviyo.com/hc/en-us/articles/115005247088-Profiles-in-Klaviyo).** This data is sent to Klaviyo in a one-way sync and includes information such as the customer's email address, phone number, and custom attributes you may have configured in your organization. ![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/452e567e25c6d3048bcb0a8a14c51461.png) * **Display relevant Klaviyo data in an Insight Card.** You can link directly back to lists and campaigns that the customer is a part of from directly within their timeline. ![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/93a7e09f06c2629c02feb3cee153d3ea.png) ### Install the Klavio app To begin integrating Klaviyo with Kustomer, install the Klaviyo app from the Kustomer App Directory. 1. Go to **Apps ![](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/45c2e6a3a7b93e91b02a1cabfd204db0.png)** , search for **Klaviyo** in the App Directory, and then select **Install**. 2. Select **Connect to Klaviyo** and follow the prompts to allow Kustomer to connect with your account.  **Note:** The Private Key field is no longer required or recommended. Please use OAuth to connect your Klaviyo account going forward. 3. Select **Install** to finish. ### Conversation event data in Klaviyo Once the app is configured in Kustomer, your team can view and use Kustomer conversation event data in Klaviyo. These events appear as **Kustomer Conversation Create**, **Kustomer Conversation Close**, and **Kustomer Conversation CSAT Submitted** actions in Klaviyo's contact [profile](https://help.klaviyo.com/hc/en-us/articles/115005247088-Profiles-in-Klaviyo). Klaviyo also displays additional details, such as the event time and the contact email. **Kustomer Conversation Create** This event shows when a new conversation was created in Kustomer. ![Sample Kustomer Conversation Create contact action in Klaviyo.](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/d60f48174b66cb7115bbb2348243586c.png) The following details are shown: * **conversationId** is the Kustomer conversation ID * **conversationLink** is a link to the conversation in the Kustomer app * **subject** is the subject of the conversation in Kustomer **Kustomer Conversation Done** This event shows when a conversation was marked as Done in Kustomer. ![Sample Kustomer Conversation Done contact action in Klaviyo.](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/dcd8974239cf814711400311df69905f.png) The following details are shown: * **conversationChannel** is the channel for the conversation (for example, email) * **conversationId** is the Kustomer conversation ID * **conversationLink** is a link to the conversation in Kustomer the Kustomer app * **subject** is the subject of the conversation in Kustomer **Kustomer Conversation CSAT Submitted** Kustomer allows you to send automated CSAT [surveys when conversations are closed or marked done](https://support.kustomer.com/en_us/when-are-surveys-sent-HyA09Gsw). This event shows when a customer completes a CSAT survey. ![Kustomer Conversation CSAT Submitted contact action in Klaviyo.](https://cdn.kustomerhostedcontent.com/media/570fad9d9001bc1000163b28/3613d7ed6eb7e640240986de6797938a.png) The following details are shown: * **conversationChannel** is the channel for the conversation (for example, email) * **conversationId** is the Kustomer conversation ID * **conversationLink** is a link to the conversation in the Kustomer app * **rating** is the CSAT survey rating from the customer (from a scale of 1 to 5, with 5 as the highest) * **score** is either 1 (positive score) or 0 (neutral or negative) based on rating (1 if the rating is at least 4, and 0 if the rating is less than 4) * **subject** is the subject of the conversation in Kustomer