payment authorization flow

Payment Gateway vs Payment Processor vs Payment Aggregator: Understanding the Differences

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Decoding the Payment Ecosystem: What Every Merchant Needs to Know If you’ve ever felt confused by terms like payment gateway, payment processor, payment aggregator, payment service provider, and merchant acquirer, you’re not alone. The digital payments industry uses these terms interchangeably, creating confusion for merchants trying to understand their payment infrastructure and make informed vendor … Read more

What is a Payment Gateway? From Online to Offline Omnichannel Payments Explained — 2026 Guide

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Omnichannel payments: online, mobile and in-store

Payment gateways power payments across online, mobile and in-store channels. This guide explains how they work, why omnichannel matters in 2026, and what merchants must prepare for. Omnichannel payments: unified acceptance across online, mobile and in-store. Payment gateways have evolved from simple online transaction processors into sophisticated omnichannel platforms that power commerce across every customer … Read more