The payer. The payer funds the payment.
funding_instrumentsobject<funding_instrument>[]Optionalcredit_card_tokenobject<credit_card_token>Optionalpayer_idstringOptionalpayer_infoobject<payer_info>Optionalbilling_addressobject<address>Optionalcountry_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.
statestringOptionalshipping_addressobject<shipping_address>Optionalcountry_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.
statestringOptional