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Question

I can't get back the user who modified his app user id, and instead Rc generates a new one for me.

  • May 23, 2025
  • 1 reply
  • 11 views

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Hello everyone,
When a user registers in my app, I create an account for them on the Revenue Cat platform with a POST call to this url https://api.revenuecat.com/v2/projects/projxxxxxx/customers. I ask for the creation of a new customer and I also ask for app_user_id RevenueCat to be the unique identifier that my user has in my app so that I can find him easily when he is in RC.
When I go to “customers” in R C, my customer is there, with the app_user_id set to the unique identifier in the app. 
So so far so good!
Except that when my user takes out a subscription on app, Revenue cat creates a new Revenue Cat identifier for him, whereas I want the customer to keep his app_user_id identical to the unique identifier in my app. 

 

 

1 reply

Ryan Glanz
RevenueCat Staff
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  • RevenueCat Staff
  • 384 replies
  • May 28, 2025

Hi,

Are you using our SDK, or doing everything through the API? If you’re using our SDK, I’d recommend looking at this doc which goes through how customers are identified in your app (i.e., when you configure the SDK, we are automatically creating a user id for them and associating it with that customer)


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