From the profile -
The MQL5 Coupons payment system allows you to use 4 types of coupons to pay in the Market, for Signals and Virtual Hosting services subscriptions. The MONEY type coupon can be deposited on your MQL5 account for general use. The coupons are issued by MQL5 LTD and have a limited validity period.
Please contact your broker to receive coupons.
Coupons are given by brokers, not by MQL5.com.