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ChatGPT Instant Checkout
ProductVendor documented
Limited rollout
Checkout inside ChatGPT built on the Agentic Commerce Protocol, launched in the US in Sep 2025. Since March 2026 OpenAI lets merchants use their own checkout while it focuses on product discovery.
Documented relationships · 1
→ Implements commerce standard
Agentic Commerce Protocol (ACP)Documented live integration
Live integration
OpenAI says Instant Checkout uses ACP with merchant integrations. · Merchants may use their own checkout since March 2026
Evidence ↗