Log into your account at https://www.kucoin.com/, go to "API Management" using the context menu on the user in the upper right part of the website.
Important: You should enable 2FA and set a security password to continue. Just follow KuCoin's instructions.
Click on "Create" then enter the API name and passphrase. You can call it your API password. You will need it when connecting the API to our service. Please note that the passphrase is not your trading password, they're different things.
Proceed with the security check.
And now the API & Secret keys are in your hands:
If you need to delete the key for some reason, click on "Delete", then confirm the action by pressing "Confirm".