payment-gateways.com
GLOBAL Gateway

Adyen Integration Services

End-to-End Enterprise Unified Commerce & Global Direct Acquiring

Protocol: REST APIPCI Scope: SAQ-ATurnaround: 4 - 7 Days
Fast-Track Project

Need Adyen Integrated?

Talk directly with our senior integration developer about your platform requirements.

Or Request Fixed-Price Scope ↓

Overview & Architectural Capability

Adyen operates as a global bank and direct acquirer with connections to card networks and local payment rails across 100+ countries. We develop enterprise Adyen Web Drop-in and Custom Components integrations with automated tokenization, 3DS2 frictionless flow, and recurring revenue pipelines.

Technical Specifications

API ArchitectureREST API
Underlying EngineAdyen Direct Acquiring Engine
PCI-DSS ScopeSAQ-A (Hosted Fields / iFrame)
3D Secure 2.2 Support✅ Supported (Frictionless & Challenge OTP Flow)
Tokenized Subscriptions✅ Supported (Merchant-Initiated Transactions)
Digital WalletsApple Pay (Web Merchant Validation) • Google Pay • Standard Cards
Sandbox Testing Environment✅ Dedicated sandbox with test cards available

Integration Capabilities Delivered

Adyen Web Drop-in component with dynamic method display
Direct card acquiring with Interchange++ pricing transparency
RevenueProtect risk management and intelligent routing
Real-time webhook notification HMAC SHA-256 verification
Omnichannel support unifying physical POS and online commerce

What We Need From You to Start

1Adyen Merchant Account Code
2Adyen API Key generated in Customer Area
3Client Key for frontend Drop-in/Components
4HMAC Key for webhook validation

Common Adyen Error Codes & Troubleshooting

Real error codes encountered when integrating Adyen and how our development team resolves them.

Error CodeRoot CauseDeveloper Resolution
401_UNAUTHORIZEDAPI key expired or invalid role permissions.Regenerate API key in Adyen Customer Area with Checkout webservice user role.
174_ORIGIN_NOT_ALLOWEDOrigin URL not whitelisted in Adyen dashboard.Add client domain in Adyen dashboard under Allowed Origins.

Platforms We Integrate Adyen Into

WordPress / WooCommerceReady
Magento 2 / Adobe CommerceReady
Custom Next.js & ReactReady
Laravel (PHP Backend)Ready
Mobile Apps (Flutter & React Native)Ready
Security Assurance

Zero Sensitive Card Storage

We develop all Adyen checkouts using secure client-side tokens or hosted fields. Your customer payment details never touch or remain on your servers, keeping your platform fully compliant with PCI DSS regulations.

Mutual NDA signed before credentials transfer
Full unencrypted source code ownership
Client-side live connection & payment verification
Free Architectural Review

Request Custom Integration Scope

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