WooCommerce Coupon Usage Alert System

We have a client for whom we created a Woo Coupon in the marketing section of our WP panel. The client would like to receive an email each time the coupon is used. Hopefully, we can find someone who has accomplished this simple task... (Budget: $30 - $250 USD, Jobs: API Integration, Email Marketing, HTML, PHP, Web Design, Web Development, WooCommerce, WordPress)