In order to install an import/export extension, OC or the extension builder is requesting I install an API key into OC.
Can someone please let me know how to do this & where? Is this a request to install my server key or OC's? Or what?
It's about as clear as mud to me at the moment.
I tried to contact the extension builders support but it refuses to let me even leave a comment without the API key been installed somewhere?
I'm looking through all OC's menus and I can't see anything API connected or related.

Anyone with some help would be greatly appreciated.
Thanks.