The Rise of the Machine Shopper: Mastercard Debuts Autonomous AI Payments in Portugal

Mastercard completes its first live agentic AI transaction in Portugal, proving that Portuguese cards are technically ready for autonomous commerce

Mastercard successfully tested a live AI-agent transaction in Lisbon, signaling that Portuguese cards are now ready for autonomous commerce.

In a quiet yet transformative demonstration in Lisbon, the concept of a “human-not-present” digital economy moved from theory to reality. Mastercard has successfully executed its first live “agentic” transaction using authentic Portuguese card credentials, marking a major milestone in how artificial intelligence will reshape global commerce.

This historic payment, conducted at the official inauguration of Mastercard’s Innovation Centre of Excellence in Lisbon, utilized the company’s proprietary Agent Pay framework. Unlike traditional automation, which follows pre-programmed “if-then” rules, agentic commerce relies on AI agents capable of autonomous reasoning, identifying products, comparing prices, and completing purchases without direct human intervention at the moment of sale.

A New Frontier: Beyond the Credit Card

According to Paulo Raposo, Mastercard’s Country Manager for Portugal, the technical barriers to this technology have officially been dismantled. “Portuguese cards are technically ready for the ‘agentic’ era today,” Raposo stated, confirming that the infrastructure for authentication and certification is complete.

The transaction is part of a broader global strategy. According to Mastercard’s Newsroom, a similar rollout recently took place across ASEAN markets, including Singapore and Malaysia. These pilots are laying the foundation for an economy where AI agents are expected to handle up to 20% of all e-commerce tasks by 2025.

Solving the “Trust” Problem

The shift toward autonomous shopping introduces a critical question: how do we ensure “bad bots” don’t go on a spending spree? Mastercard’s solution lies in a multi-layered security framework designed to protect the human cardholder:

  1. Identity & Certification: Only registered and certified AI agents can access the network. Mastercard uses network tokenization (MDES) and payment passkeys to verify that an agent is “good” and legitimate.
  2. Verifiable Intent: Co-developed with Google, this standard ensures that every AI-initiated purchase is anchored in a tamper-resistant record of what the user originally authorized.
  3. Ultimate Control: Despite the agent’s autonomy, the human owner retains the power to cancel a purchase at any point.

 

Lisbon: A Growing Tech Powerhouse

The inauguration of the Lisbon hub signifies Portugal’s growing importance in the European tech landscape. The Centre of Excellence now houses roughly 600 specialists in software engineering and data science. These teams are not just working on payments; they are building the future of cybersecurity and AI-driven fraud prevention.

As noted by Plataforma Media, 72% of the hub’s workforce is local Portuguese talent, reflecting a strategic investment in the region’s intellectual capital. Minister Miguel Pinto Luz highlighted that the state is creating “sandboxes” for AI testing, positioning Portugal as an agile alternative to traditional data centers.

The Future of the Digital Wallet

While the “card” remains a fundamental symbol of Mastercard, the company is pivoting toward a role as a pure technology provider. With the potential rise of the digital euro and increasing competition from decentralized finance, Mastercard’s move into agentic commerce is a play for dominance in the next phase of the internet.

For consumers, this means a future where your digital assistant doesn’t just remind you to buy groceries, it finds the best price, ensures the items are in stock, and securely pays for them while you sleep.

About the Author

Jennifer Sakmufuwo Baba

Jennifer Sakmufuwo Baba is a tech analyst and writer covering artificial intelligence, fintech, and emerging technologies at TechRegard. Based in Nigeria, she's passionate about translating complex tech developments into compelling, accessible stories for diverse audiences. Her work focuses on how technology shapes innovation across Africa and globally.