Key points
- Amazon deliberately blocks rival shopping agents from its platform.
- JPMorgan Chase restricts agents using shared credentials or screen scraping.
Meta’s Muse encounters access barriers at retail partners like Walmart, where verification checks interrupt automated shopping tasks. According to Engadget, these security measures were not intended to stop the assistant but create friction for users relying on agents for routine purchases.reportedMeta’s shopping assistant faces blocks at Walmart and Amazon due to security checks and access policies.Meta’s Muse encounters deliberate blocks from Amazon and unintended CAPTCHAs at Walmart, reflecting broader access control tensions.
The claim
JPMorgan Chase CFO Jeremy Barnum stated that some agents use insecure methods like shared login credentials and screen scraping to transfer funds, which the bank blocks where possible.
The response
Perplexity maintains that users have authorized its Comet AI browser to act on their behalf. Walmart indicated that its verification checks were not designed to stop AI assistants, suggesting the blocks are unintended side effects of security systems.
What the evidence means
The conflict highlights a split between companies welcoming AI integration and those enforcing strict access controls. Amazon operates its own Buy for Me feature, allowing purchases from other brands, while prohibiting rival agents. eBay’s user agreement similarly prohibits unauthorized buy-for-me agents unless explicit permission is granted, indicating a broader industry trend toward controlled automation.
In practice
Enterprise IT buyers must navigate inconsistent agent access policies across vendors. Users deploying agents for procurement or travel booking may face CAPTCHAs or outright blocks at major retailers and banks. Security teams should verify that third-party agents comply with vendor terms of service to avoid credential sharing risks or unauthorized actions that could leave users liable for errors.
Why it matters
- Financial institutions like JPMorgan Chase warn customers could be liable for unauthorized agent actions.
- Amazon’s block of the tool signals potential incompatibility between major retail platforms and third-party agents.
- eBay’s terms prohibit unauthorized agents, requiring explicit permission for automated purchasing.
- Security systems may inadvertently block legitimate agents, disrupting workflow automation.
Topics: AI agents, retail tech, cybersecurity, access control, Perplexity
Updated
Then / now / next
AI agents were marketed as seamless tools for online shopping and banking.
Major retailers and banks are blocking or restricting agent access due to security and policy concerns.
Watch for further legal developments in the Amazon-Perplexity dispute and changes in vendor terms of service.
Story timeline
- Then AI agents were marketed as seamless tools for online shopping and banking.
- 02 Nov 2026 Why some websites are blocking AI agents from accessing the web
- Now Major retailers and banks are blocking or restricting agent access due to security and policy concerns.
- Next Watch for further legal developments in the Amazon-Perplexity dispute and changes in vendor terms of service.
The strongest doubt
Counterpoint from the sources
Perplexity argues that user authorization should permit agent access, challenging the notion that platforms can unilaterally block authorized tools.
For readers
Business
- Review vendor terms of service to ensure agent compliance.
- Assess liability risks if agents perform unauthorized financial actions.
Policy
- Monitor legal disputes between retailers and AI developers.
- Evaluate regulations around automated data access and credential sharing.
Consumers
- Expect manual intervention when using agents at major retailers.
- Avoid sharing login credentials with third-party agents.
Ask the article
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Why do banks restrict AI agents?
JPMorgan Chase blocks agents using shared credentials or screen scraping due to security concerns.
Connected stories
Reading receipt
- Amazon deliberately blocks rival shopping agents from its platform.
- JPMorgan Chase restricts agents using shared credentials or screen scraping.
Still open: Will Amazon expand its Buy for Me feature to compete with third-party agents?
Still open: How will courts resolve the ongoing dispute between Amazon and Perplexity?