Weblate uses SSH key to access remote repositories. The corresponding public key is found below, you can use it to grant Weblate access to a repository.
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICUMbGfvZL877Rdi4MGuln6IHKcpp+reUyM8J2i7lXTt Weblate-2021-06-02