Software as a service (SaaS) services, namely, providing online non-downloadable software featuring conversational artificial intelligence chatbot functionality for enabling collaborative group shopping sessions, shared electronic shopping cart management and multi-user product browsing in electronic messaging applications; providing application programming interfaces (APIs) for integrating conversational webshop management modules and collaborative e-commerce functionality with electronic messaging platforms, mobile messaging services, SMS services, web-based chat services and communications applications; design and development of software modules for real-time synchronization of shared shopping carts, multi-user group purchasing coordination and split payment orchestration in communications platform environments; providing artificial intelligence services featuring natural language processing and intent classification for electronic commerce and webshop management applications.