Get API Key from METRC
Sign into your METRC profile and follow the steps below to obtain your API key:
Click your user name in the upper right corner and choose API Keys from the drop down
Skip to step 3 if there is already a key on the screen. If there is no key available, click the Generate button.
Copy the long string of letter/numbers in the "Current API Key" box. It looks like you are not able to copy this code, however you are able to select and copy it.