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Provider ID is a unique identifier that links your subscription to an account on the website happ-proxy.com. It provides access to advanced application usage statistics and allows accurate tracking of the number of active devices.

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Where to Get Provider ID?

To obtain the Provider ID, you need to register on the website https://happ-proxy.com After registration, you will be able to see it in the upper right part of the screen or in the user profile.

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How It Works

Once a day, the application sends a GET request to: 
https://check.happ-proxy.com/provider?id={ProviderID}
The request includes:
  • providerid — your unique identifier;
  • domain hash, from which the subscription is loaded;
  • HWID of the device;
  • name and version of the operating system.
The domain hash ensures that the ProviderID is tied to a specific subscription domain and prevents its use on other sites or in third-party subscriptions.

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Ways to Transmit ProviderID

You can add ProviderID to the subscription in three ways:
  1. In URL (query parameter) 
    https://your-domain.com/sub/123#?providerid={ProviderID}
  2. In the Subscription Body (comment) 
    #providerid {ProviderID}
vless://70cc48c5‑b2f4…
vmess://zkIAU1JitkI…
  3. In the HTTP Header of the Response 
    HTTP/2 200 OK
date: Wed, 14 Apr 2025 10:00:00 GMT
content-type: application/json
content-length: 3798
content-disposition: attachment; filename="213"
providerid: {ProviderID}