# Mastercard Adopts x402 and USDC for Agent Payments on Base By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/40024 Published: 2026-10-24T14:01:20.000Z Updated: 2026-10-24T14:01:20.000Z Section: Technology > The announcement names USDC alongside x402 and Base, which were also part of an earlier Mastercard Agent Pay pilot. Base said Mastercard is adopting an agent-payment method that uses x402 and USDC and settles on Base, putting a specific token and network behind the payment method. The announcement names USDC alongside x402 and Base, which featured in Mastercard’s [earlier Agent Pay pilot](). That pilot included a nine-payment demonstration and used x402 for payments, with Base handling onchain settlement. Under x402, a digital service can return an HTTP 402 payment request. An agent can sign a voucher within its approved limit, which the service provider checks before granting access. Providers can collect vouchers and redeem them together later. ## Links in this article - [earlier Agent Pay pilot](https://www.tokenpost.com/news/technology/36230)