Visa

Visa is a global payment technology company that operates one of the world's largest electronic payment networks, processing transactions between consumers, merchants, financial institutions, and governments. The Visa network enables secure debit and credit card payments across millions of merchants and ATMs in over 200 countries and territories. Visa provides the infrastructure and security protocols for authorizing, clearing, and settling payment transactions in real-time. The company offers various payment products including credit cards, debit cards, prepaid cards, and digital payment solutions for both consumer and commercial use. Visa's technology stack includes fraud detection systems, tokenization services, and encryption standards to protect sensitive payment data. For online merchants, Visa integration typically appears through payment gateways and checkout systems that accept Visa-branded cards. The company also provides developer APIs and SDKs for implementing payment acceptance, verification services, and value-added features like Visa Checkout. Visa's network processes billions of transactions annually, making it a fundamental component of global commerce infrastructure.