Explainers

Online Payment Gateways Explained — How They Work, What They Do, and Why It Matters

Explore explainers covering how payment gateways process transactions, tokenization and encryption basics, settlement and authorization flows, fee structures, and integration types—so you understand the fundamentals before evaluating any provider.

How Payment Gateways Work Tokenization & Encryption Basics Authorization & Settlement Flow Hosted vs. API Integrations

Featured

Clear, practical explainers covering how online payment gateways work, transaction authorization and settlement, tokenization and security standards, and integration options—so you can understand the technology before comparing providers or signing up.

All

All Explainers

Browse the complete online payment gateway explainer library below. Each guide breaks down transaction flows, security protocols, fee structures, and integration methods to help you understand how online payment gateways work and what actually matters.

Next Steps

Keep Reading

Finished learning the basics? Jump to the next level—see our top picks, narrow your choices with side-by-side comparisons, or go deeper with hands-on reviews of leading payment gateway providers.