Shopify Opens Checkout to AI Agents: What This Means for Shop Pay and Merchants on September 28, 2026

On Monday, September 28, 2026, Shopify announced a significant update allowing browser-based AI agents to complete purchases on merchant sites, including those using Shop Pay. This move positions Shopify as a prominent e-commerce platform to formally integrate agentic checkout capabilities, contrasting with platforms like Amazon and Adidas, which have recently restricted AI agents from making purchases.

Shopify's New Agentic Checkout Tools

The update introduces three new tools within Shopify's WebMCP APIs: get_checkout, update_checkout, and complete_checkout. These tools are designed to enable AI agents to interact with the checkout process by reading page details, modifying order information, and submitting transactions. A crucial aspect of this functionality is the requirement for explicit buyer authorization before an agent can finalize an order.

This development is rolling out to all eligible Shopify merchants, expanding the potential for automated purchasing experiences. The WebMCP APIs, which facilitate these new agent capabilities, are built on Shopify's Universal Commerce Protocol (UCP).

Partnerships Driving Agentic Commerce

Alongside this announcement, Shopify confirmed a new partnership with the AI agent Instinct. This collaboration builds on Shopify's existing partnership with Muse, further solidifying its commitment to integrating conversational AI and agentic commerce into its ecosystem. These partnerships aim to streamline the integration of AI agents, allowing them to perform tasks such as managing inventory, processing orders, and assisting with customer service.

Contrasting Approaches to AI Agents in E-commerce

Shopify's decision to embrace AI agents for checkout stands in contrast to the strategies adopted by other major e-commerce players. Both Amazon and Adidas have recently implemented measures to block AI agents from making purchases on their respective platforms. This divergence highlights differing perspectives within the industry regarding the role and security implications of AI in automated transactions.

Shopify's approach suggests a belief in the potential for AI agents to enhance the shopping experience and operational efficiency for merchants, provided that proper authorization and security protocols are in place. The company's history with Shop Pay, which expanded its one-click checkout service to various platforms since 2021, demonstrates a consistent effort to simplify and accelerate the purchasing process.

Implications for Merchants and Consumers

For Shopify merchants, this update could open new avenues for automated sales and customer interaction. AI agents, with buyer authorization, may handle repetitive tasks, potentially reducing friction in the checkout process and improving conversion rates. The integration of tools like get_checkout, update_checkout, and complete_checkout could allow for more dynamic and personalized shopping experiences, where agents assist users in navigating complex purchases or managing subscriptions.

Consumers may experience a more streamlined and efficient checkout process, particularly for recurring purchases or when managing multiple items. The emphasis on buyer authorization is intended to maintain user control and security within this automated framework.

Conclusion

Shopify's announcement on September 28, 2026, marks a significant step in the evolution of e-commerce, formally integrating browser-based AI agents into its checkout process via WebMCP. By providing specific tools and partnering with AI agent developers like Instinct and Muse, Shopify is enabling a new era of automated purchasing, while other major platforms like Amazon and Adidas have taken a more restrictive stance. This development is poised to impact how merchants manage sales and how consumers interact with online stores, with a focus on efficiency and authorized automation.

Sources

• Shopify opens checkout to browser-based AI agents | TechCrunch
• Shopify expands its one-click checkout, Shop Pay, to any...
• Shopify expands its payment option, Shop Pay, to its...
• Shopify Pay aims to complete the picture for online checkout
• Shopify Sidekick is like ChatGPT, but for e-commerce merchants | TechCrunch