Please note: This guide is no more valid. Please follow the new, one-click onboarding.
1) Login into your WooCommerce (Wordpress) admin panel
2) Open the WooCommerce - Settings menu
3) Click on "Advanced" tab, then on "REST API" link below and then on "Create API key" button.
4) Write "ApiDrop" into description field and select "Read/Write" in the permission field then press Generate API key button.
Your API key is now generate. Copy your Consumer Key and Consumer Secret in a secure place.
Still can't connect? Checkout this guide about the most common connecting errors for WooCommerce