pronounced like "Fortitude"
Pay with your crypto wallet, not your card. Sign a transaction and watch your payment flow seamlessly through 402tude—no card numbers, no expiration dates, just blockchain-powered simplicity.
Simple, secure payments powered by blockchain. No card numbers. No maintenance.
Click the checkout button on any website to start your purchase.
Sign the transaction with your crypto wallet to authorize the payment.
Our oracles validate your transaction on the blockchain using the 402 protocol.
Your virtual card is funded with the exact payment amount—no more, no less.
Card details automatically fill into the checkout form.
Complete your purchase. Card balance returns to $0 after payment.
Ready to get started?
Built with security, simplicity, and control in mind.
Eliminate the need to maintain and manage traditional payment cards. Your virtual debit card is automatically managed by the system.
Just sign a transaction with your crypto wallet. No card numbers, expiration dates, or CVV codes needed.
Your card stays at $0 until payment. If compromised, there's no financial risk—card details can't be used without your signature.
Get notified when subscriptions are due, sign once to authorize, and stay in control with the 402 protocol.
Your card details stay secure because your balance is always zero until you authorize a payment. Even if your card information is compromised, there's nothing to steal—no unauthorized charges can be made without your wallet signature.
Enable AI assistants to make payments on your behalf—without ever sharing your card details.
Never share your card details with AI assistants. Your sensitive payment information stays secure and private.
AI can sign transactions from your wallet on your behalf, leveraging your crypto wallet permissions for secure payments.
Enable AI assistants to make payments seamlessly without exposing card information, maintaining privacy throughout.
402tude enables a secure way for users to allow AI assistants to make payments on their behalf. No card numbers. No sensitive data sharing. Just wallet-based authorization that keeps you in control.