I will integrate ontraport API with your system

Ontraport is a customer relations management (CRM) and marketing automation platform designed for small businesses and entrepreneurs. It offers the advanced features typically found in enterprise-level platforms but through an easy-to-use interface for small, non-technical teams to use. 

Ontraport offers a subscription-based sales and marketing software for small businesses and entrepreneurs. Features include business automation, campaign builder, CRM, ecommerce, email marketing, SMS and postcards, landing pages, marketing automation, marketing tracking, membership sites, metrics dashboard, partner program and sales force automation.