Returns the available on-ramp payment methods based on the current user location. Request type for Tdjson#getOnRampPaymentAvailability.
ISO 4217 currency code of the currency that will be used for the purchase; pass an empty string if unknown.
The cryptocurrency that will be bought.
Unique identifier of the on-ramp provider.
Returns the available on-ramp payment methods based on the current user location. Request type for Tdjson#getOnRampPaymentAvailability.