Customer who is making a purchase from the merchant/partner.
country_codestring<country_code-2>OptionalNote: 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.
channelobject<find_eligible_methods_request_customer_channel>Optionalemailstring<email_address>OptionalNote: Up to 64 characters are allowed before and 255 characters are allowed after the@sign. However, the generally accepted maximum length for an email address is 254 characters. The pattern verifies that an unquoted@sign exists.
phoneobject<phone-2>Optionalcountry_codestring<country_calling_code>Requirednational_numberstringRequired