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Keep the final payment decision in your own hands. A browsing agent can read misleading or hidden instructions on a website, but it cannot determine whether a UPI payment is legitimate for you. Check the payee, amount, and purpose inside the UPI app you chose, and enter your UPI PIN only there after reviewing the payment request. Never share your PIN or an OTP with an agent, website, caller, or support representative.

Why browsing agents need payment boundaries

A web-browsing AI agent can encounter text on a page, in a file, or in a tool result that tries to redirect its behavior. OWASP describes this general risk as indirect prompt injection: external content may steer an agent toward unintended actions or disclosure when the agent has access to tools or sensitive context. This is a general agent-security concern, not evidence of a UPI-specific exploit. OWASP’s prompt-injection guidance explains the underlying risk.

That distinction matters for payments. A page or agent may surface a QR code, payment link, or collect request, but seeing it does not make it trustworthy. Treat web content and agent output as untrusted information, not as authority to initiate or approve a transaction. NPCI’s UPI guidance addresses payment safety and PIN use; it does not specifically describe third-party AI browser agents.

Check the payment in your UPI app before approving

When a payment needs your approval, open the UPI app you selected yourself and inspect the request in its payment flow. Confirm all three details:

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If any detail is different, missing, or unexplained, cancel. Confirm the request with the intended recipient using a contact method you already trust rather than details supplied by the page or agent. NPCI explains that a UPI PIN authorizes a bank transaction; it is not a routine confirmation to hand over to another party. See the NPCI UPI overview and safety guidance.

Never give an agent your UPI PIN or OTP

NPCI explicitly says, “Please do not share your UPI-PIN with anyone.” The PIN authorizes transactions, so do not enter it in an agent chat, website, prompt, or support conversation, and do not tell it to a caller claiming to help. Enter it only in the payment flow of the UPI app you chose, after checking the request yourself. Apply the same rule to OTPs and other account credentials: do not disclose them to a browsing agent or to anyone who contacts you unexpectedly. NPCI directs users with unresolved account issues to their bank and says bank customer support will not ask for the UPI PIN. Consult NPCI’s UPI FAQ and guidance.

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Recognize a payment request disguised as receiving money

A QR code or collect request is not proof that someone is sending you money. NPCI warns that scanning a QR code and entering a PIN makes a payment; PIN entry is not how you receive money. If a page or agent tells you to scan a code or approve a collect request to collect funds, stop and verify independently. Review the transaction description and recipient in your UPI app before approving any request.

Be cautious with urgent links, app installs, and support claims

Unsolicited links, requests to install an app, demands for credentials, and pressure to act quickly deserve extra scrutiny. RBI’s June 22, 2020 notification addressed fraud methods including disclosure lures, SIM swapping, malicious links, and spurious apps. It warned that users can be tricked into downloading apps that access critical information stored on their devices. The notification is not specific to AI agents, but its warning applies when an agent or a webpage urges you to install something or reveal account details. Read the RBI notification on unauthorised electronic banking transactions.

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If a transaction looks wrong or incomplete

Check the transaction status in your UPI app. If money was debited but the payment appears incomplete, use the app’s official help flow or contact your bank through a support channel you find independently. Do not follow unsolicited contact details supplied by a page, message, or agent. NPCI’s UPI FAQ discusses checking transaction status, reversals, and contacting the bank for unresolved issues. See NPCI’s UPI FAQ.

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For people building or configuring agents

Security recommendations for AI agents should be treated as design guidance, not as UPI rules issued by NPCI or RBI. OWASP recommends limiting an agent to the tools needed for its task and requiring explicit approval for sensitive actions. Applied to UPI, that means keeping payment tools unavailable when payment is not part of the task; if payment is in scope, require a separate approval that shows the exact payee, amount, and purpose.

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Do not rely only on a model prompt or a generic “confirmed” flag to authorize a high-impact action. OWASP advises enforcing approval outside the agent’s own reasoning and binding it to the current actor and exact tool call. Its guidance states: “A ‘user_confirmed’ flag is insufficient: the component must verify that the approval belongs to the current actor and exact tool call, remains valid, and has not already been consumed.” These controls reduce the chance of an unintended action; they do not eliminate prompt injection. Read the OWASP AI Agent Security Cheat Sheet.

Quick Recap

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