Código API

Código(String)	Mensaje(String)	SubCódigo(String)	SubMensaje(String)	Descripción
10000	Success
20000	Service Currently Unavailable
40001	Missing Required Arguments
40004	Method not supported
40005	MediaType not supported
40002	Business Failed	missing-signature-config	Falta configuración de firma
40002	Business Failed	merchant-status-abnormal	Merchant inválido
40002	Business Failed	app-status-abnormal	App inválida
40002	Business Failed	app-not-match	App no coincide
40002	Business Failed	invalid-signature	Firma inválida
40002	Business Failed	no-method-supported	Método no compatible
40002	Business Failed	currency-not-supported	Moneda no soportada
40002	Business Failed	duplicate-out_trade_no	out_trade_no duplicado
40002	Business Failed	gen-card-token-fail	Gen card token fallido
40002	Business Failed	card-token-expired	Card token expirado
40002	Business Failed	bank-side-busy	Sitio de banco ocupado

Para otros errores no enumerados aquí, consulte el response recibido.