Navigate to Woocommerce > Settings > Advanced tab > REST API and select "Add key":

Give the key a description. Select Permissions.; "Read/Write. Then hit 'Generate API Key'.

Once your key has been created, you'll be provided with a Consumer Key and Consumer Secret. You can copy and paste these into the Upzelo account inside the Integrations > Woocommerce area, along with the first part of your site URL.

Upzelo will now import your customer and subscription data ready for you to start building Audiences and Cancellation Flows.