Hi Devon. Glad you’re enjoying Pickaxe.
To use your own API keys, you enter them in the control panel of a tool. You can watch this API Key walkthrough video for more details instructions on how to get an OpenAI API Key and where exactly to enter it in Pickaxe.
Yes, you can remove Pickaxe branding from your studio and fully white-label it. If you want to remove the “Powered by Pickaxe” you can do in the so in the Studio Manager in the Design tab under Content. There is a toggle that says “white-label” there. This post explains how to white-label your studio more detail.