Lnk.Bio requires oAuth 2 authentication for all API calls, using a valid Access Token.To generate a valid Access token you need to register a Lnk.Bio App, and there there are two types of Lnk.Bio Apps: Private and Public.
📌
Private App Continue here if you're building a Private AppPrivate Apps can only access your own Lnk.Bio account and they don't require Review.
💡
Public App Continue here if you're building a Public AppPublic Apps can access any Lnk.Bio account that grants you permission, and they require a Review.