Artificial intelligence

Websites Close Their Doors to AI Agents

AI agents from OpenAI, Meta, Google, xAI, and other companies face growing restrictions that prevent them from carrying out tasks such as shopping, booking, and accessing accounts. This reveals that agents’ ability to perform tasks online depends on website approval and compatibility with anti-bot systems, not solely on their software capabilities.

2026-10-17
4 min read
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Websites Close Their Doors to AI Agents

Independent AI agents are facing growing restrictions from prominent websites and online services, limiting their ability to perform tasks promoted by companies such as OpenAI, Meta, and Google. These tasks include booking restaurants and flights, shopping, and organizing email on behalf of users.

Users of Meta’s Muse, xAI’s Grok, OpenAI’s Dots, and Instinct agents reported that they could no longer complete tasks on websites that had previously been accessible. Yelp told TechCrunch that it only allows agents participating in its paid data licensing program, while Delta Air Lines prevents agents from booking tickets on behalf of customers. JPMorgan Chase and Charles Schwab also confirmed that they block AI agents from accounts because of security concerns.

The Problem Goes Beyond Direct Blocking

The restrictions are not limited to explicit decisions to ban agents. Anti-bot and fraud-prevention systems may treat them as suspicious programs, even when the website did not design the barrier specifically against AI. Users reported problems with Amazon, Cars.com, and Amtrak. Some accounts using Muse were also reportedly blocked on Google for “suspicious activity,” while payments on Walmart stalled despite its partnership with Meta.

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Chris Canal, CEO of AI safety assessment company EquiStamp, said these obstacles effectively reduce the value of agents, because their core promise is the ability to do what a user can do online. As more websites block them, the range of tasks they can complete shrinks.

The Amazon Dispute Illustrates the Legal and Commercial Complexity

Amazon had banned Perplexity’s agentic shopping feature last year and then sued the company. Amazon said that third parties purchasing products on behalf of customers should operate transparently and respect service providers’ decisions about participation. Perplexity, by contrast, argued that Amazon rejects agents because it could lose human traffic and advertising revenue, and considered the agent an extension of the user.

A judge later ordered Perplexity to stop agentic shopping on Amazon, but an appeals court overturned the decision in August. Amazon then filed an amended complaint. The case continues to reflect a broader question: Is an agent a user acting on behalf of a person, or an external program imposing automated traffic and new commercial and security conditions on the website?

What Is Changing in Practice?

Some companies are trying to address the problem through partnerships rather than resisting agents. Meta has enabled Muse to shop at Walmart, Gap, Sephora, Best Buy, and others, while Shopify has opened its network of stores to agents. But this approach means that an agent will not automatically work across the entire web; instead, it will operate within a group of services that have previously agreed to grant it access.

Cloudflare is making unauthorized access more difficult. In 2025, it introduced a one-click option for blocking AI crawlers, then began blocking crawlers that collect data simultaneously for search-engine indexing and AI-model training. The company says that bot traffic puts pressure on internet infrastructure and affects email, ticket purchases, bookings, and product sales.

The current result is not the end of AI agents, but it reveals their reliance on an access layer that they do not fully control. In the future, users may have to undergo more tests to verify that they are human, even for everyday services such as shopping from online stores. Questions about consent, data licensing, security, advertising, and legal liability will also remain open unless websites and agent developers agree on shared operating rules.

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What you need to know

AI agents face growing restrictions from websites and anti-bot systems, preventing them from shopping, making reservations, and accessing certain accounts. In practice, their success depends on websites’ approval and security and commercial compatibility, not solely on their programming capabilities.

  • Users reported being unable to complete tasks through Muse, Grok, Dots, and Instinct agents on websites that were previously accessible.
  • Yelp allows only agents participating in its paid data licensing program, while Delta Air Lines prevents agents from booking tickets.
  • JPMorgan Chase and Charles Schwab blocked AI agents from accessing accounts due to security concerns.
  • Anti-bot and fraud-prevention systems may classify agents as suspicious software, causing problems on sites such as Amazon, Cars.com, Amtrak, and Walmart.
  • Some partnerships provide limited access, such as Meta allowing the Muse shopping agent to shop at selected stores and Shopify opening its network to agents.
  • Cloudflare is making unauthorized access more difficult through tools that block AI crawlers and data collection.

FAQ

Why do websites block AI agents?

Because of concerns about security, fraud, data licensing, traffic, and advertising, as well as the possibility that anti-bot systems may classify agents as suspicious activity.

Can AI agents work across the entire web?

No. The article indicates that they work more reliably within a set of services that have approved their access in advance.

What is the nature of the dispute between Amazon and Perplexity?

Amazon blocked Perplexity’s agentic shopping feature and filed a lawsuit, while Perplexity said that the agent is an extension of the user. The case still reflects a dispute over whether the agent is a user or an external program.

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