curl --request POST \
  --url https://api.winwinkit.com/users/{app_user_id}/transactions/app-store \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <x-api-key>' \
  --data '
{
  "original_transaction_id": "2000000123456789",
  "app_account_token": "550e8400-e29b-41d4-a716-446655440000"
}
'

const options = {
  method: 'POST',
  headers: {'x-api-key': '<x-api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    original_transaction_id: '2000000123456789',
    app_account_token: '550e8400-e29b-41d4-a716-446655440000'
  })
};

fetch('https://api.winwinkit.com/users/{app_user_id}/transactions/app-store', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "errors": [
    {
      "code": "<string>",
      "status": 123,
      "message": "<string>",
      "source": "<string>"
    }
  ]
}

{
  "errors": [
    {
      "code": "<string>",
      "status": 123,
      "message": "<string>",
      "source": "<string>"
    }
  ]
}