POS Index manages 5 data types including devices. Helps you organize, track, and share your work in 1 place for teams and solo users.

Payment Processing Knowledge Base

Learn the fundamentals of payment processing, hardware, compliance, and industry best practices.

Billing & Team Access

Team Access: How multi-seat accounts work

Learn how POS Index Team Access works — pricing, seats, invites, shared merchant records, admin controls, and what happens when someone leaves a team.

What Is a POS System?

Learn what POS systems do and how they differ from terminals.

Terminal vs Smart Terminal vs Mobile Terminal

Differences between traditional, smart, and mobile terminals.

PIN Pads vs Card Readers

Understand the role of PIN pads and card readers in checkout environments.

What Is PCI DSS Compliance?

What PCI compliance is, why it exists, and what merchants must do.

Why PCI Compliance Matters

The real risks of PCI non-compliance including fines, breaches, and account termination.

What Is a Payment Processor (Acquirer)?

Learn what a payment processor (acquirer) does, how they work with merchants, and how transactions are routed.

What Is a Card Issuer?

Understand what card issuers do and how they differ from processors and acquirers.

Card Issuer vs Acquirer: Key Differences

Clear breakdown of issuers vs acquirers and how money actually moves.

Card Networks Explained (Visa, Mastercard, AmEx, Discover)

Learn what card networks do and why they matter in payment processing.