PayPal API does not return the exchange rate.

[dverma]

I am trying to achieve the exchange rate's data in API but it return blank. Please see the Sandbox checkout button data, when capture the authorize payment via API - https://developer.paypal.com/docs/api/payments/v2/#authorizations_capture 

I have implemented paypal smart button from this page - https://developer.paypal.com/docs/checkout/integration-features/auth-capture/ 

Here are some screenshots -  https://snipboard.io/z1d8T5.jpg 

I have paid through INDIAN Credit card and object return something like this. but I am getting exchange rate blank, and paypal payment page confirm with exchange rate, I already added the screenshot - https://snipboard.io/z1d8T5.jpg  

stdClass Object
(
    [gross_amount] => stdClass Object
        (
            [currency_code] => INR
            [value] => 4123.21
        )

    [paypal_fee] => stdClass Object
        (
            [currency_code] => USD
            [value] => 2.50
        )

    [net_amount] => stdClass Object
        (
            [currency_code] => USD
            [value] => 53.92
        )

    [exchange_rate] => stdClass Object
        (
        )

)

Can you please provide the solutions for that?