Instant Checkout

Definition

OpenAI's in-chat purchase feature in ChatGPT, launched 29 Sep 2025 on ACP and replaced on 24 Mar 2026 by merchant-site checkout.

Example

OpenAI said it is moving away from a standalone Instant Checkout experience. chatgpt.com, read 4 Nov 2026.

Where it appears in the sourced facts

• Stripe and OpenAI released ACP on 29 Sep 2025 as an open, Apache 2.0 licensed standard, alongside Instant Checkout in ChatGPT. stripe.com, read 4 Nov 2026. In Agentic Commerce Protocol (ACP).
• OpenAI wrote on 24 Mar 2026 that Instant Checkout "did not offer the level of flexibility that we aspire to provide" and moved purchases to merchant checkouts while expanding ACP for product feeds and promotions. openai.com, read 4 Nov 2026. In Agentic Commerce Protocol (ACP).
• OpenAI's merchant page says it is "moving away from a standalone Instant Checkout experience" and charges no fee on purchases that start in ChatGPT and finish on the merchant site. chatgpt.com, read 4 Nov 2026. In Agentic Commerce Protocol (ACP).
• Trade press (PYMNTS) reported a 4 percent OpenAI fee on Shopify merchant sales completed inside ChatGPT checkout while Instant Checkout ran; OpenAI's own launch post said only "a small fee". pymnts.com, read 4 Nov 2026. In Agentic Commerce Protocol (ACP).
• OpenAI launched Instant Checkout in ChatGPT for US Plus, Pro and Free users, starting with US Etsy sellers, with Shopify merchants announced as coming soon. openai.com, read 4 Nov 2026. In ChatGPT shopping (Instant Checkout, ACP discovery, ChatGPT agent).

Nearby terms

• Buy for Me
• Agent Terms (Amazon)
• /.well-known/ucp
• All terms