Can't find Sanbox API Credentials anywhere.

[Zylvian]

I can't find the Sandbox API credentials anywhere, after trying multiple suggestions online.

There simply is no "API Credentials" in the Sandbox accounts:

https://gyazo.com/ddb51e76480351559efe7b8c40d20405

And the "API Calls" gives this error:

https://gyazo.com/6f71a0e932400238120c62396ddc508d


Have tried starting this project for hours, but it...