Instant Checkout
The ability to complete a purchase directly inside a chat or AI interface without being redirected to a merchant's site.
What is Instant Checkout?
Instant Checkout was OpenAI's feature letting people complete a purchase directly inside a ChatGPT conversation, without being redirected to the merchant's own website to finish paying. It launched on September 29, 2025, starting with U.S. Etsy sellers, with a rollout to Shopify merchants like Glossier, Spanx, and Vuori planned to follow. IMPORTANT STATUS UPDATE: as of March 2026, OpenAI scaled this feature back. It is no longer OpenAI's core approach to in-chat purchasing.
Why it matters
After expanding Instant Checkout to all U.S. ChatGPT users (including the free tier) around February 16, 2026 under the banner "Buy it in ChatGPT," OpenAI reversed course roughly a month later: on March 24, 2026, it announced it was moving away from completing checkout itself inside the chat interface. OpenAI's own explanation was that "the initial version of Instant Checkout did not offer the level of flexibility that we aspire to provide," citing operational gaps such as no multi-item carts, no promo codes, and unresolved sales-tax handling; reporting also noted very low uptake (only a handful of Shopify merchants had gone fully live, and adoption among ChatGPT's user base was modest). The Agentic Commerce Protocol (ACP) that powered Instant Checkout hasn't been abandoned: it now underpins a discovery-first model where ChatGPT helps users find and compare products, then hands off to dedicated retailer apps inside ChatGPT (e.g., Walmart's app powered by its own Sparky assistant) that use the retailer's own checkout, account linking, and loyalty programs rather than OpenAI's. So as of August 2026, "Instant Checkout," as originally launched (full purchase completion natively inside ChatGPT), has effectively been discontinued in favor of an in-chat discovery plus retailer-branded checkout model.