{
  "id": "acp.checkout.instant-checkout-discovery-only",
  "protocol": "acp",
  "layer": "checkout",
  "role": "merchant",
  "status": "avoid",
  "title": "Do not build ChatGPT checkout endpoints unless OpenAI enables checkout for you",
  "description": "OpenAI (24 March 2026): the initial Instant Checkout 'did not offer the level of flexibility that we aspire to provide', so merchants use their own checkout while OpenAI focuses on product discovery. The ChatGPT merchants page: purchases are completed on merchant-owned websites or apps.",
  "goal": "Avoids spending engineering time on a checkout path ChatGPT does not use for most merchants.",
  "note": "Re-verified 2026-10-12 against the OpenAI post and chatgpt.com/merchants. Shopping in ChatGPT is live in the US only. Merchants wanting deeper integration can build a ChatGPT app (Walmart's app supports account linking, loyalty and Walmart payments). The feed spec still lists is_eligible_checkout, but says checkout requires a separately enabled integration.",
  "how_to_implement": {
    "steps": [
      "Focus on the product feed and your own site checkout.",
      "For a deeper in-ChatGPT experience, consider a ChatGPT app instead of ACP checkout endpoints.",
      "Ask OpenAI during onboarding before building ACP checkout for ChatGPT."
    ]
  },
  "resources": [
    {
      "label": "OpenAI: powering product discovery in ChatGPT",
      "url": "https://openai.com/index/powering-product-discovery-in-chatgpt/",
      "type": "announcement",
      "publisher": "OpenAI"
    },
    {
      "label": "OpenAI product feed spec",
      "url": "https://developers.openai.com/commerce/specs/file-upload/products",
      "type": "spec",
      "publisher": "OpenAI"
    },
    {
      "label": "ChatGPT merchants",
      "url": "https://chatgpt.com/merchants/",
      "type": "docs",
      "publisher": "OpenAI"
    }
  ],
  "audit": {
    "method": "manual",
    "automatable": false,
    "human": "Confirm with current OpenAI merchant docs before any checkout build for ChatGPT."
  },
  "how_to_verify": "Confirm with current OpenAI merchant docs before any checkout build for ChatGPT.",
  "artifacts": [],
  "depends_on": [],
  "status_note": "Re-verified 2026-10-12 against the OpenAI post and chatgpt.com/merchants. Shopping in ChatGPT is live in the US only. Merchants wanting deeper integration can build a ChatGPT app (Walmart's app supports account linking, loyalty and Walmart payments). The feed spec still lists is_eligible_checkout, but says checkout requires a separately enabled integration.",
  "verified": true,
  "status_rationale": "Superseded per OpenAI's own announcement; ACP itself remains a spec.",
  "slug": "acp-checkout-instant-checkout-discovery-only",
  "category": "checkout",
  "url": "https://vreeman.ai/commerce/checklist#acp.checkout.instant-checkout-discovery-only",
  "updated": "2026-10-12",
  "sources": [
    {
      "label": "OpenAI: powering product discovery in ChatGPT",
      "url": "https://openai.com/index/powering-product-discovery-in-chatgpt/",
      "type": "announcement",
      "publisher": "OpenAI"
    },
    {
      "label": "OpenAI product feed spec",
      "url": "https://developers.openai.com/commerce/specs/file-upload/products",
      "type": "spec",
      "publisher": "OpenAI"
    },
    {
      "label": "ChatGPT merchants",
      "url": "https://chatgpt.com/merchants/",
      "type": "docs",
      "publisher": "OpenAI"
    }
  ],
  "related_slugs": []
}