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Designing a Payment Gateway System: Multi-Provider Aggregation, Smart Routing & Merchant Onboarding

By Arvind Kumar · Published March 17, 2026 · 1 min read · Source: Fintech Tag
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Designing a Payment Gateway System: Multi-Provider Aggregation, Smart Routing & Merchant Onboarding

How does a payment gateway work? When a merchant wants to accept payments from customers using multiple payment methods (Cards, UPI…

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