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Integrate klaviyo with my mobile app

  • June 14, 2022
  • 2 replies
  • 1725 views

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Hi all,

 

We have a mobile (game) app called ‘Guess in 10’. As the first step in the app, users have to sign up. Currently this email ID goes to Firebase, I want it to also be stored in a list on Klaviyo, is there a way?

I have klaviyo also on my e-commerce website and love it, hence want to integrate it with our app as well.

Best answer by retention

Hey @Rishabh20! Glad to see you here in the Klaviyo community.

Klaviyo does have a fairly robust API that you can use to integrate your app with Klaviyo.  There’s a whole developer portal with documentation and guides to get you acquainted with Klaviyo’s data model, architecture and sample code for authentication and a list of various API endpoints you can use. 

You can see there here:

Also, depending on where you want to connect to Klaviyo (from the server side, or at the client edge, or both) and your back end programming stack, there’s a few officially supported SDKs here that can get you started quickly (wraps the REST endpoints) for you.

On the client side, in Klaviyo’s Github repository, you can find both an IOS Swift SDK as well as an early pre-alpha version of the Android SDK here though they haven’t been updated in a while, but might help you get started:

Finally, join us over at the Klaviyo Developer Group here in the community if you run into any issues or need further help.

 

2 replies

retention
Partner - Platinum
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  • 2025 Champion
  • Answer
  • June 14, 2022

Hey @Rishabh20! Glad to see you here in the Klaviyo community.

Klaviyo does have a fairly robust API that you can use to integrate your app with Klaviyo.  There’s a whole developer portal with documentation and guides to get you acquainted with Klaviyo’s data model, architecture and sample code for authentication and a list of various API endpoints you can use. 

You can see there here:

Also, depending on where you want to connect to Klaviyo (from the server side, or at the client edge, or both) and your back end programming stack, there’s a few officially supported SDKs here that can get you started quickly (wraps the REST endpoints) for you.

On the client side, in Klaviyo’s Github repository, you can find both an IOS Swift SDK as well as an early pre-alpha version of the Android SDK here though they haven’t been updated in a while, but might help you get started:

Finally, join us over at the Klaviyo Developer Group here in the community if you run into any issues or need further help.

 


  • Contributor II
  • March 27, 2026

Hey there,

If you're using Firebase for user sign-ups, you can definitely sync that data to Klaviyo. One common approach is to use Firebase Cloud Functions to trigger an API call to Klaviyo whenever a new user signs up, adding their email to a specific list. Alternatively, you can look into third-party tools like Zapier or Make to connect Firebase and Klaviyo without writing custom code.

On a slightly different note, since you're in the mobile gaming space, you might also be interested in exploring alternative game versions that offer a more flexible experience. For iOS users looking for unlimited resources and unlocked features right from the start, nulls on iphone 📱 provides a private server option with everything available, no grinding required. Could be a fun addition for your gaming community.

Hope that helps with your integration!