You will need to create a new application in your applications page. This is only visible for master users. If this is not visible for your master user please contact support and we can give you access to this feature.
click new application and Zapier V2.
make sure Zapier API Master Role is selected.
Now you have your key and secret to use in Zapier please check that the secret doesn't contain + or % if it does click the 3 dots and you can reset the secret until it doesn't have those characters in anymore.
You will also need to be on Zapier 2.0.0 which is invite only, Contact support and we can send the invite across.
You are now ready to create your first zap follow this next article on next steps: