The payment source definition. To be eligible to create subscription using debit or credit card, you will need to sign up here (https://www.paypal.com/bizsignup/entry/product/ppcp). Please note, its available only for non-3DS cards and for merchants in US and AU regions.
cardobject<card_request>Optionalexpirystring<date_year_month>Optionaltypeenum<card_type>Optionalbrandenum<card_brand>Optionalbilling_addressobject<Portable Postal Address (Medium-Grained)>Optionaladmin_area_1stringOptionalcountry_codestring<country_code>RequiredNote: The country code for Great Britain isGBand notUKas used in the top-level domain names for that country. Use the `C2` country code for China worldwide for comparable uncontrolled price (CUP) method, bank card, and cross-border transactions.
attributesobject<card_attributes>Optionalcustomerobject<card_customer>Optionalidstring<merchant_partner_customer_id>Optionalemail_addressstring<email>Optionalphoneobject<phone_with_type>Optionalphone_typeenum<phone_type>Optionalnational_numberstringRequiredvaultobject<vault_instruction_base>Optionalstore_in_vaultenum<store_in_vault_instruction>Optionalverificationobject<card_verification>OptionalmethodenumOptional