We strongly advise against buying codes from third parties. These are often "burned" or invalid by the time you pay, and there is no buyer protection for such transactions. What to Do Once You Have a Code
If you are looking for a direct "link" that generates codes, you likely won't find one. Invitation codes are usually distributed through the following channels:
Be extremely cautious of websites or YouTube videos claiming to have a "3WiFi invitation code generator" or a "hidden link."
If you manage to secure a link or code, use it immediately. These codes are often time-sensitive or have a limited number of uses. Once registered, make sure to: