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Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteTo reduce the risk of an AI agent making an unwanted purchase, secure the accounts and payment methods it can reach, limit the agent’s permission to what it needs, and require confirmation where the service offers it. Turn on transaction alerts and check account activity. If an unfamiliar charge appears, contact your bank or card provider promptly through an official channel and secure any account that may have been compromised.
There are two different problems to investigate: someone may have taken over an account, or an agent may have bought something within permissions you previously granted. A second factor helps protect sign-in; it does not prevent an agent from using purchase authority it already has.
Secure the accounts an agent could use
Start with the email, shopping, payment, and AI accounts that can reset passwords, access saved cards, or authorize purchases. The Federal Trade Commission recommends protecting sensitive accounts with two-factor authentication (2FA). It says authenticator apps are less exposed to SIM-swap attacks than text messages, and describes security keys as the strongest commonly available second-factor method. Use a unique password for each account, and choose an authenticator app or security key where the service supports it. FTC guidance on protecting online accounts explains the options.
A physical FIDO2 security key may be worth considering if your services support it. Check compatibility with each bank, card provider, email service, shopping account, and AI service before buying one. A key protects sign-in; it does not set spending limits or cancel a purchase made under valid permissions.
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Limit what the agent is allowed to do
Before enabling purchases, inspect the agent’s connected apps, active sessions, saved payment methods, and purchase permissions. Remove connections you no longer need. Where offered, prefer explicit approval for each order, merchant restrictions, amount limits, or an agent-specific payment credential. The controls differ by product, country, account, and merchant; there is no single menu or safeguard that applies to every AI agent.
- User approval: Does the service require you to confirm the final order, or can the agent buy under permission you granted earlier?
- Transaction scope: Can you limit permission to a merchant, amount, or particular action?
- Credential exposure: Does the checkout use a protected or transaction-specific token rather than asking you to put card details in a chat prompt?
- Monitoring and recovery: Can you inspect agent and payment history, receive alerts, and revoke access or replace a payment credential?
- Availability: Is the feature available in your country, language, account type, and chosen merchant?
What particular checkout systems say
Google says its Agentic checkout is available in the United States and Australia, in English, for select merchants that accept Google Pay. Google says payment information is encrypted and kept private during agent checkout, and that users receive email or device updates. If the final price exceeds the total the user confirmed, Google says the purchase will not go through and the user will not be charged. Merchant eligibility and availability can change; see Google’s Agentic checkout help page.
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OpenAI’s September 29, 2025 announcement describes Instant Checkout as requiring user confirmation at each step. In that flow, encrypted payment tokens are authorized for specific merchants and amounts with user permission; the merchant accepts or declines the order, processes payment through its provider, and handles fulfillment and support. These details describe that specific flow, not every AI-agent checkout. OpenAI’s Instant Checkout announcement provides the product description.
Visa describes Intelligent Commerce as being developed and deployed, with agent-bound tokenized credentials, user authentication, and controls intended to align payment actions with authenticated instructions. Visa says the service may not be available in all markets. Its Trusted Agent Protocol is merchant-side infrastructure for verifying an agent’s identity and transaction-specific authorization—not a consumer setting you can assume is active on your card. See Visa’s developer description of Intelligent Commerce and Visa’s Trusted Agent Protocol page.
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Enable transaction notifications from your bank or card provider, and choose useful thresholds or online-purchase alerts if available. Alerts help you detect activity; they are not a guarantee that a purchase will be blocked. Visa says its near-real-time alerts cover selected eligible transactions routed through Visa, and availability depends on the issuer. Check your provider’s terms and settings; Visa’s description is at Visa Purchase Alerts.
Review both agent activity and payment history so you can connect an order to the account, merchant, and payment credential involved. The Consumer Financial Protection Bureau advises consumers to monitor accounts and contact their provider promptly about suspicious activity. Its reporting and timing guidance is specific to the United States; procedures and protections vary by country. See the CFPB’s guidance on unauthorized transactions.
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What to do if an AI agent made a purchase you did not approve
- Identify the transaction. Check the transaction details, agent history, merchant receipt, and billing page. Consider whether another authorized user, a household member, or an active subscription explains the charge. OpenAI likewise advises checking invoices and considering whether someone else with access to the card made a charge before escalating.
- Secure accounts that may be compromised. Change the affected account password, enable or reset its second factor, sign out other sessions, and revoke app access where those controls are available. Secure the linked email account too, since it may be used to reset other credentials.
- Contact your bank or card provider promptly. Use the official app, the number on your card, or contact details on a statement. Explain whether you suspect account takeover or an agent acting under previously granted permissions. Ask whether to freeze or replace the card or token and how to dispute the transaction.
- Use the service’s reporting process as well. For an unfamiliar ChatGPT or API credit charge, OpenAI directs users to check invoices and submit its fraudulent-activity report, selecting “Report unauthorized activity involving my account.” OpenAI also advises completing security steps if the account was compromised and contacting the bank immediately when a charge is believed unauthorized.
- Keep the records. Save receipts, dates, notification emails, and case numbers. Follow the payment provider’s dispute process; an alert or payment-network protocol does not itself resolve a dispute.
Reporting deadlines and liability rules depend on the payment type and jurisdiction. Do not assume US debit-card deadlines apply everywhere; ask your provider what deadlines govern your transaction.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Keep card numbers out of AI prompts
Do not paste payment-card data into ChatGPT conversations, files, or GPTs. OpenAI identifies cardholder data such as primary account numbers (PANs), security codes (CVVs/CVCs), and PINs as information users should keep out of ChatGPT inputs. For OpenAI billing, submit payment details through its designated secure payment pages. See OpenAI’s financial-data guidance.
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