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Instant Checkout is here. But is it a game changer?

A grounded look at what actually changes for ecommerce. The promise is simple on the surface - buy directly in ChatGPT from Etsy sellers now and, soon, from over a million Shopify merchants.
3 min. to read /
Published: October 9 2025
Author: Damian Lewandowicz

TL;DR

  • Buying in ChatGPT is now possible via Instant Checkout.
  • Expect more discovery and qualified traffic, not an overnight sales shift.
  • Conversions still depend on brand trust and on‑site experience.
  • Continue the conversation from chat on your site to reduce friction.
  • Keep perspective: marketplaces, live social, and app‑first discounters still grow.

What’s new, in OpenAI’s words

OpenAI announced Instant Checkout, “powered by the Agentic Commerce Protocol, built with Stripe,” starting in the U.S. for Etsy, with Shopify “coming soon.” It supports single‑item purchases now, with multi‑item carts and broader regions to follow.

The flow is straightforward: ask for a gift, get product options with visuals, and see a Checkout button right in chat.

The transaction path is designed to connect safely with stores rather than expose card data in the chat - a key reassurance for early users who worry about privacy.

ChatGPT in numbers: how big is the commerce slice right now?

Based on the OpenAI report "How People Use ChatGPT" published on September 15th, we can predict several potential outcomes of this change.

Let's look at the numbers:

  • 700 million people use ChatGPT every week
  • They initiate 4.5 billion conversations, exchanging around 18 billion messages
  • 2.8% of these messages relate to purchasable products
  • This translates to approximately 126 million product-related conversations weekly worldwide
  • Since the report doesn't provide country-specific data, if we estimate the US accounts for 13% of usage, that's roughly 16 million product-related conversations that could be affected by Instant Checkout

The real question is: how many of these are strong purchase intent versus research intent?

Discovery in chat doesn’t automatically equal checkout in chat. A big portion of those queries are research‑oriented, not “buy now.”

Is Instant Checkout a complete game changer?

Short answer from both Damian and Matt: not by itself.

It’s a credible new source of product discovery and traffic, especially as ChatGPT usage skews increasingly non‑work (around 70%), which implies more consumer use cases ahead. But “traffic” isn’t “immediate sales.”

People still want to:

  • Validate brand trust
  • Open the site
  • Compare options and prices
  • See visuals in context
  • Sometimes wait, save, or buy in a familiar channel later

Think of entrenched channels like Walmart or Amazon: presence and trust compound. We don’t see Instant Checkout suddenly replacing those.

Instead, expect ChatGPT to recommend and route traffic - to brand sites, to marketplaces, to store aisles - more often over time.

What might change for merchants right now

Treat ChatGPT as valid, growing discovery. Expect more qualified visits, not an overnight shift in revenue mix.

Preserve the research journey. If a visitor lands from ChatGPT, meet them where they are. Detect UTM parameters and greet them with a “Let’s finish what you started in chat” path that continues recommendation logic on‑site.

Earn trust fast. Instant Checkout lowers friction for known brands, but for first‑time shoppers your site still needs to do the heavy lifting: clarity, proof, comparisons, returns, and pricing logic.

Where personalization fits

Chat excels because it learns context. Your site should mirror that continuity.

Use a brand “AI guide” that’s more than a support bot. Make it your best salesperson, steeped in product knowledge, routines, comparisons, and brand stories.

Continue the chat context on‑site. If traffic comes from ChatGPT, persist the Q&A state and keep helping.

Favor simple, purposeful flows. Think Domino’s early app simplicity applied to ecommerce: fewer steps, more relevance.

Keep the market in perspective

There’s a “mere exposure effect” to AI headlines. Read enough posts and it feels like AI will dominate ecommerce overnight.

In reality:

  • Marketplaces continue to grow year over year
  • Live social shopping is accelerating
  • App‑first discounters like Temu and Shein are rewriting the playbook
  • AI is strong and growing - but it’s one of several powerful channels, not the only one

Should DTC brands switch to Shopify ASAP?

According to official OpenAI communication, the Agentic Commerce Protocol (ACP) is open-sourced and aims to "work across platforms, payment processors, and business types."

What's more, the application form for DTC stores has been updated. As the Practical Commerce article explains, it's for merchants not on Etsy or Shopify who want to "1) integrate their products into ChatGPT Search results and 2) enable Instant Checkout in ChatGPT via the Agentic Commerce Protocol."

In short, even beyond what we've discussed, we can expect integrations with other platforms in the near future.

We're not forecasting that 10–30% of a store's sales will suddenly move to ChatGPT. Discovery will rise. Trust still wins. The job is to make the handoff from chat to site feel like one continuous, helpful conversation.

About author:
Damian Lewandowicz
The Ecom Growth Partner You Want to Talk To
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Matt Wis
Co-Founder @Emailtize | 🎙 Host of The Quiet Work
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