On the Developers tab in the Settings page, click on the Generate API Key button:
A dialogue box will open, asking you to confirm the generation of a new API key:
If you choose Yes, a new API key will be generated and displayed. Make sure to copy it immediately and store it in a secure location.
Remember, treat your API key as you would any sensitive information. The key unique to your account and can be used to access and perform operations on your behalf.