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Hi,

We’re seeing events from the Revenue Cat webhook whilst in Sandbox mode (before go-live) where a subscription or renewal flows through with 12.17% `tax_percentage`. Can anyone explain why that might be? I would expect 20% VAT? Is it something we’ve misconfigured or am I missing something?

Example webhook event here:

{
  "api_version": "1.0",
  "event": {
    "aliases": s
      "9e2090e4-11cc-4ff8-8f0f-281eb9e6b84d",
      "$RCAnonymousID:7610af8f52924950b428cd4d313823f2"
    ],
    "app_id": "app790cf74d0c",
    "app_user_id": "9e2090e4-11cc-4ff8-8f0f-281eb9e6b84d",
    "commission_percentage": 0.3,
    "country_code": "GB",
    "currency": "GBP",
    "entitlement_id": null,
    "entitlement_ids": s
      "Pro"
    ],
    "environment": "SANDBOX",
    "event_timestamp_ms": 1678382003118,
    "expiration_at_ms": 1678382162000,
    "id": "6D453662-6B23-47EE-97B4-7856431CA391",
    "is_family_share": false,
    "is_trial_conversion": false,
    "offer_code": null,
    "original_app_user_id": "$RCAnonymousID:7610af8f52924950b428cd4d313823f2",
    "original_transaction_id": "2000000253163431",
    "period_type": "NORMAL",
    "presented_offering_id": "default",
    "price": 11.837,
    "price_in_purchased_currency": 9.99,
    "product_id": "oscil8_umg_staging_1month",
    "purchased_at_ms": 1678381862000,
    "store": "APP_STORE",
    "subscriber_attributes": {
      "$attConsentStatus": {
        "updated_at_ms": 1674161971463,
        "value": "restricted"
      }
    },
    "takehome_percentage": 0.7,
    "tax_percentage": 0.1217,
    "transaction_id": "2000000293715660",
    "type": "RENEWAL"
  }
}

 

Thanks,

 

Dan

Hi Dan! Happy to clarify. The tax_percentage field is expressed as a portion of the gross price, but for App Store transactions VAT is only applied to the post-commission price, so the percentage of your gross price that Apple takes out for taxes will not equal the VAT rate in a given country.

In addition, in the UK a Digital Sales Tax (DST) of 2% is applied to Apple’s commission, which is also included in the tax_percentage.

In this example:

  • The 9.99 purchase price in GBP has a 30% commission deducted (3.00), yielding 6.99
  • The commission that Apple yields from this (3.00) has a 2% Digital Sales Tax (DST) deducted, which deducts an additional 0.06
  • The remaining purchase price of 6.93 has a 20% VAT applied, which deducts an additional 1.16 ((6.93 / (1 + 20%)) * 20%)
  • 1.16 + 0.06 = 1.22, or tax_percentage = 0.1217 without my rounding

Let me know if that all makes sense or if you have any additional questions!

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