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PayConsults Payments Glossary

Your Simple Guide to Understanding Payments & High-Risk Processing

The payments industry is filled with technical terms, acronyms, and financial jargon that can feel overwhelming, especially for businesses operating in high-risk sectors.

At PayConsults, we believe understanding payments should be simple.

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This glossary is designed to help merchants, startups, and high-risk businesses better understand the terminology used across payment processing, fraud management, compliance, acquiring, and digital commerce. Inspired by industry-standard payment glossaries and simplified for modern businesses. 

Acquirer / Acquiring Bank

A financial institution that processes card payments on behalf of merchants. Acquirers connect merchants to card networks like Visa and Mastercard.

Alternative Payment Methods (APMs)

Payment methods beyond traditional credit and debit cards, such as:

  • Digital wallets

  • Bank transfers

  • QR payments

  • Buy Now Pay Later (BNPL)

  • Local payment methods

Authorization Rate

The percentage of transactions successfully approved by issuing banks.

Higher authorization rates generally mean better payment performance and revenue optimization.

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