What is a live shopping API? A VideoSDK Guide

Live shopping APIs combine real-time video, audience interaction, product displays, carts, and checkout, typically using separate systems for low-latency media and authoritative commerce transactions. The proposed approach uses VideoSDK for interactive streaming rooms, participant roles, PubSub messaging, chat, polls, reactions, and product spotlight events, while Shopify or another commerce backend remains responsible for product variants, prices, inventory, taxes, carts, payments, and orders. Viewers should receive verified product data from the commerce service rather than trust host-sent product cards, and cart requests must revalidate availability and pricing. The text contrasts customizable WebRTC-based infrastructure such as VideoSDK with managed commerce platforms including Bambuser and Channelize.io, and broadcast-oriented services such as Mux, noting trade-offs in control, implementation speed, interaction latency, and operational effort. It also describes Shopify integration through Ajax or Storefront APIs, cross-platform support for web and mobile, usage-based cost modelling, and production needs including short-lived access tokens, server-controlled roles, idempotent transactions, moderation, network recovery, privacy protections, and analytics that connect stream engagement to purchases.

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