---
title: "Klaviyo"
---

To configure SMS integration between your Quikly activation and [Klaviyo](https://www.klavyio.com), please provide your Client Success manager the following information:

- [An api key](https://help.klaviyo.com/hc/en-us/articles/115005062267-Manage-Your-Account-s-API-Keys#generate-a-private-api-key3)
- [The list id of your SMS subscriber list](https://help.klaviyo.com/hc/en-us/articles/115005078647-How-to-find-a-list-ID)

It is also important that you confirm that double-opt in is turned on for this subscriber list. [More on double-opt-in.](https://help.klaviyo.com/hc/en-us/articles/115005251108-Understanding-the-double-opt-In-process)