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Firebase Integration not working with RevenueCat Web Billing

  • February 13, 2026
  • 1 reply
  • 34 views

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Hi. I am configuring Firebase Integration for our multiplatform app (android, ios, web)
Firebase integration is working correctly for our Android and iOS users, but we have issues with RC Web Billing transations. We are not seeing any events for Web transations in Firebase Integration events section (bottom of the page).
In Android and iOS we are setting the Firebase App Instance ID in the $firebaseAppInstanceId attribute for the user
In Web version we are setting the Google Analytics Client ID in the $firebaseAppInstanceId attribute for the user.
I can confirm 100% that we are setting the attribute for the user before the subscription event and there is no race condition.
I see the transation in Customer History, so is the Firebase Integration that is just ignoring the event
The only difference I see in the customer history event data between working mobile events and not working web events is the store:

{
[...]
"store": "RC_BILLING",
[...]
}


I am not 100% sure that is correct to set the google analytics client ID, but still even if that was wrong, I was expecting to see the failed event in the Firebase Integration page, so I am just thinking that RevenueCat Firebase Integration is just ignoring events with store set to RC_BILLING.
In the documentation actually it refers only to Stripe billing

Is RevenueCat Web Billing supported by Firebase Integration?
There are plans to extend compatibility to RC Web Billing?
It is really an important feature to our business department.
 

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1 reply

wes_clark
RevenueCat Staff
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  • RevenueCat Staff
  • February 17, 2026

Hi! I know that we have already addressed this for you in a private support ticket, but I want to make sure that this is addressed here as well in case others come across this community post. The Firebase integration does not currently support sending events for RevenueCat Web Billing transactions. I have shared the suggestion internally that we add this functionality. We don't have a concrete roadmap or ETA that I can share yet, but the team will work to get this prioritized.