OpenAI NewsSep 29, 2025, 08:00 UTC+8

Buy it in ChatGPT: Instant Checkout and the Agentic Commerce Protocol

OpenAI launched Instant Checkout in ChatGPT on September 29, 2025, letting U.S. Plus, Pro, and Free users buy from U.S. Etsy sellers in chat; it currently supports single-item purchases. OpenAI says ChatGPT has over 700 million weekly users and open-sourced the Agentic Commerce Protocol with Stripe; Stripe merchants can enable it with as little as one line of code, while the post does not disclose the fee rate merchants pay.

Why it matters: This is a high-weight ChatGPT product expansion from discovery to completed purchases, so HKR-H/K/R all pass. The post confirms U.S. Free/Plus/Pro checkout with U.S. Etsy sellers and a Stripe-backed protocol layer; merchant fee details are not disclosed, so it stays high but sub-

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OpenAI is going after the transaction loop, not Etsy product cards. ChatGPT has 700M weekly users, and Instant Checkout starts with U.S. Plus, Pro, and Free users buying single items from U.S. Etsy sellers. Shopify names like Glossier, SKIMS, Spanx, and Vuori are still “coming soon.” The rollout is narrow, but the placement is brutal: a user asks for “best running shoes under $100” and can move straight into payment confirmation.

I don’t fully buy the “organic, unsponsored” ranking line. The post says results are ranked by relevance, then says ranking among merchants can consider whether Instant Checkout is enabled. Merchants also pay a “small fee” on completed purchases, with no rate disclosed. Amazon ads and Google Shopping already showed how checkout economics creep into ranking. Open-sourcing ACP with Stripe is smart, and one-line Stripe enablement lowers friction. The harder test is whether OpenAI can keep the protocol from becoming its toll booth.

Source: OpenAI News · openai.com
Published: Sep 29, 2025, 08:00 UTC+8 · Sep 29, 2025