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Ödeme Entegrasyonu
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- 01September 2, 2026 · 9 min read
Payment integration in Next.js: 3D Secure flow with iyzico and PayTR
Why is payment integration in Turkey harder than you think? How the 3D Secure flow actually works, handling callbacks correctly in Next.js App Router, never trusting the client with pricing, and wrapping four providers under a single interface.