Can't register to get Brave Search API key - unknown error prevented registration

Description of the issue:

Unable to register to Brave Search to get an API key.

Steps to Reproduce (add as many as necessary):

I tried multiple times to register to Brave Search from Germany to get an API key.

I tried with different email accounts, different browsers and, at different days.

But without success, every time I get an unknown error message (see below).

Actual Result (gifs and screenshots are welcome!):

Expected result:

Reproduces how often:

every time I tried

Operating System and Brave Version(See the About Brave page in the main menu):

Additional Information:

Any way to help and to fix this? Many thanks!

Hello - Can you send a request into searchapi-support@brave.com and they can assist? Thank you!

If you’re running into this issue:

Are you inputting any special characters into the company or name fields, e.g. "&', “.” ?

These would prevent the registration flow completing. Please try again without any special characters.