Every product of ours uses the "cfx.re Asset Escrow System."
How does it works?
Your purchases are linked to your FiveM account, and your FiveM account is linked to your FiveM server license key. Meaning the FiveM account you use to login on Tebex before the purchase, needs to be the FiveM same account that you use to log into https://keymaster.fivem.net to generate your server license key.
It is required that your server is using server artifacts version 5181+