--- title: Setting up Klaviyo Back in Stock Alerts with Reactiv description: Learn how to add the Klaviyo Back in Stock integration in Reactiv so customers can subscribe to restock alerts in your app. --- [Skip to content](https://info.reactiv.ai/reactiv-help-center/how-to-add-klaviyo-back-in-stock-integration-reactiv-support-center#main-content) ![logo-mono-light](https://info.reactiv.ai/hubfs/logo-mono-light.svg) Open main navigation Close main navigation - [Contact us](https://info.reactiv.ai/reactiv-help-center/how-do-i-contact-customer-support-reactiv-support-center) [Contact us](https://info.reactiv.ai/reactiv-help-center/how-do-i-contact-customer-support-reactiv-support-center?hsLang=en-ca) Answers, documented. - There are no suggestions because the search field is empty. 1. [Reactiv Help Center](https://info.reactiv.ai/reactiv-help-center?hsLang=en-ca) 2. [Integrations](https://info.reactiv.ai/reactiv-help-center/integrations?hsLang=en-ca) 3. [Back in Stock Alerts](https://info.reactiv.ai/reactiv-help-center/integrations?hsLang=en-ca#back-in-stock-alerts) September 13, 2026 # Setting up Klaviyo Back in Stock Alerts with Reactiv ## Step by step guide to integrate Klaviyo Back in Stock Integration with Reactiv ### ![](https://info.reactiv.ai/hs-fs/hubfs/Knowledge%20Base%20Import/Screenshot_2025-10-07_at_12.09.53%E2%80%AFPM-1759857005-Feb-13-2026-07-12-52-4419-PM.png?width=40&height=40&name=Screenshot_2025-10-07_at_12.09.53%E2%80%AFPM-1759857005-Feb-13-2026-07-12-52-4419-PM.png) Written by Reactiv App ### **Introduction** In this guide, you’ll learn how to connect the **Klaviyo Back in Stock** integration to your Reactiv mobile app using the Shopify Partners interface. This integration enables you to send automated back-in-stock alerts to your customers via email, SMS, or push notifications through your Klaviyo account. ### **Prerequisites** Before you start, ensure you have: - A Klaviyo account. - Klaviyo Public API Key. - Klaviyo Private API Key. - Klaviyo Registered Company Name. - Administrative access to the Reactiv dashboard. ### **Steps to Set Up Klaviyo Integration** ### **Open Your Mobile App Builder** - Log in to your [Shopify admin dashboard](https://www.shopify.com/ca/store-login). - In the left-hand sidebar, scroll to the **Sales Channels** section. - Click **Reactiv – Mobile App Builder**, then select **App Studio**. ### **Go to the Integrations Page** - From the left navigation panel under **App Studio**, click **Integrations**. - Alternatively, you can access **Integrations** from the top menu inside the Reactiv editor. ### **Connect Klaviyo Back in Stock** - Scroll through the list of available integrations until you find **Klaviyo Back in Stock**. - Click **Connect** next to the integration. ### **Add Your Klaviyo Credentials** [![](https://info.reactiv.ai/hs-fs/hubfs/Knowledge%20Base%20Import/AD_4nXeJXPxcOUkJmb1jYH1f_LsevHQKL1y44YmonYQwmuq0boUf4tJeamp41O2JRa4dHkEDAL8ELRogK4PooHF0zEH8Ud03ZhBM7vl7PPd9qUhTCryKBsB_UvQ-q8rz_-zTBvS8xW0l-1.png?width=500&height=407&name=AD_4nXeJXPxcOUkJmb1jYH1f_LsevHQKL1y44YmonYQwmuq0boUf4tJeamp41O2JRa4dHkEDAL8ELRogK4PooHF0zEH8Ud03ZhBM7vl7PPd9qUhTCryKBsB_UvQ-q8rz_-zTBvS8xW0l-1.png)](https://downloads.intercomcdn.com/i/o/zgqq9fe6/1514866897/952732a258fcde3633f10ea5ee2b/AD_4nXeJXPxcOUkJmb1jYH1f_LsevHQKL1y44YmonYQwmuq0boUf4tJeamp41O2JRa4dHkEDAL8ELRogK4PooHF0zEH8Ud03ZhBM7vl7PPd9qUhTCryKBsB_UvQ-q8rz_-zTBvS8xW0l?expires=1771011900&signature=c0077a84a9ead3d480cb5588c035911f7a21a1c7c88930e8e1b32b725d032a0a&req=dSUmEsF4m4lWXvMW1HO4zYwKEnddGzTa8A7GA3SR0a8Xzs8zM0JeKvQSa5h3%0ABhJ3eMlr97yS0Hn6NxY%3D%0A) - Enter the following details: - Private API Key - Public API Key - **Company Name** - Choose your preferred notification channels: - Email - SMS - Mobile Push Click **Connect** to complete the setup. 💡 *Tip: You can find your Klaviyo keys in your [Klaviyo account settings](https://help.klaviyo.com/hc/en-us/articles/115005062267#:~:text=your%20API%20keys-,Find%20your%20API%20keys,to%20view%20the%20key%20itself.) or retrieve them from another Klaviyo integration already connected in Reactiv.* ### **Set Klaviyo as Your Restock Alerts Provider** - In the left menu, return to **App Studio**. - Click your **company logo** at the top of the page and select **App Settings**. - From the top menu that appears, click **Integrations**. - Scroll down to the **Restock Alerts Provider** section. - Open the dropdown menu and select **Klaviyo Back in Stock**. ### **Save and Publish** - Click **Save**, **Preview**, or **Publish** in the top-right corner of the editor to finalize your changes. ### **Troubleshooting** If you encounter any issues during the setup process, consider the following: - Double-check the API keys and company name for accuracy. - Ensure your Klaviyo account is active and has the necessary permissions. 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