Sync contacts with

Made by

Sync customers to for sending transactional and marketing emails, push, and in-app messages.

Works with
0.0.1 | Source code

How this extension works

Install this extension to sync customers to This extension:

  • Adds new customers when they sign up through Firebase Authentication.
  • Listens to a specified Cloud Firestore collection for updates to customer attributes.

The synced data can then be used to trigger transactional messages and automated marketing campaigns in

Additional Setup

Before installing this extension, set up Firebase Authentication to manage your users. Optionally, set up a Cloud Firestore database to store additional customer data.

You’ll need a account set up before installing this extension. Get started for free on the website.

Install the iOS, Android, React Native, Expo, or Flutter SDKs to send rich push notifications and in-app messages to customers in your mobile app.


This extension uses the following Firebase services which may have associated charges:

  • Cloud Firestore
  • Cloud Functions
  • Firebase Authentication

This extension also uses the following third-party services:

You are responsible for any costs associated with your use of these services.