Based on your request, it seems you are looking for information on how to or create (make) a redeem code, likely for a Google Play account or mobile game. How to Buy a Redeem Code
Determine if it is for a discount, free item, or premium content. buy redeem code
If you are creating, I can explain how to set up promotion rules. Based on your request, it seems you are
You can purchase digital Google Play codes via Prepaid24 or instantly via Krgkart . Based on your request
Specify the usage limit (single or multiple uses) and expiration date.
Use a random string generator for an alphanumeric code.