What software is the charging verification code?

Yiyun, Second Technology, Aurora SMS and Huaxin Cloud communication software collect verification codes. SMS verification platform basically provides SMS verification code service in the form of enterprise prepayment. There are usually two ways for enterprises to prepay, that is, to purchase the number of short messages and recharge a certain amount. The higher the amount of short message verification code used by enterprises in a certain period of time, the lower the use price of a single short message verification code, that is, the principle of large quantity discount.