6B are trusted engineering partners for organisations adopting Adyen’s modern payments infrastructure. We provide reliable connectivity to Adyen’s Checkout, Payments, Terminals, Payouts, Webhooks, and Recurring APIs, ensuring smooth authorisation flows, strong compliance, and high acceptance rates. From discovery and architecture through to development, testing, deployment, and optimisation, we ensure your platform integrates seamlessly with Adyen’s unified payments ecosystem.
Our mission is to help organisations scale globally, improve conversion, and deliver frictionless user experiences across every channel.
Understanding Adyen Integration
Adyen is a global, API-first payments platform offering acquiring, payment processing, risk management, and point-of-sale (POS) capabilities through a single unified system. It supports card payments, bank transfers, digital wallets, alternative payment methods, and local payment schemes across multiple countries. Adyen’s integrated approach removes fragmentation and enables businesses to manage all payment channels — online, mobile, and in-store — through one platform.
Adyen’s integration model centres on secure REST APIs and event-driven notifications via webhooks. Your system can process payments, handle 3D Secure 2 authentication, store payment methods using tokenisation, manage subscriptions and recurring billing, initiate payouts, and respond to real-time events such as chargebacks, refunds, and risk assessments.
Adyen’s built-in risk engine (RevenueProtect) supports advanced fraud detection, behavioural analytics, and rule-based decisioning. Its multi-currency and multi-region capabilities enable businesses to operate internationally while maintaining consistent workflows and reporting.
A robust Adyen integration requires secure card data handling, PCI DSS alignment, strong authentication flows, encrypted communication, and detailed error-handling logic. With the right architecture, your platform benefits from fast, reliable, and scalable global payments.
Our Adyen Integration Process
Our Adyen integration process begins with a detailed discovery phase to identify your payment flows, merchant requirements, channels (online, in-app, POS), and risk-management needs. We map your requirements to Adyen’s APIs — such as Checkout, Recurring, Terminals, or Payouts — ensuring alignment with your business model and user experience goals.
After requirements are defined, we design a secure, scalable integration architecture that incorporates tokenisation, SCA/3D Secure 2 flows, webhook handling, chargeback processing, risk rule configuration, and reconciliation logic. Our architects ensure compliance with PSD2, PCI DSS, and Adyen’s technical guidelines.
Development is accelerated using 6B’s reusable components, including secure API clients, webhook processors, authorisation handlers, tokenisation modules, and refund/reversal utilities. We embed strong monitoring, detailed logging, retry logic, and high-volume resilience to support global transaction throughput.
Testing covers a full suite of scenarios: successful and failed authorisations, 3DS challenges, disputes, refunds, wallet payments, POS test transactions, and alternative payment method flows. We coordinate with Adyen during onboarding and certification to ensure your solution meets scheme and platform requirements.
After deployment, we implement dashboards, reconciliation checks, real-time webhook monitoring, and performance optimisation to ensure stable operations. We also provide long-term maintenance to keep your integration aligned with Adyen’s evolving APIs and global payment rules.
Benefits of Adyen Integration
Integrating with Adyen enables businesses to process payments globally through a single platform, reducing operational complexity and improving visibility across channels. Tokenisation and 3D Secure authentication provide secure, frictionless checkout experiences, while unified reporting simplifies financial management and reconciliation.
Support for multiple payment methods — including cards, SEPA, local schemes, Apple Pay, Google Pay, and regional APMs — improves conversion and broadens your audience. Adyen’s POS and in-person terminals offer seamless omnichannel journeys, enabling customers to transition between online and offline experiences without friction.
Adyen’s advanced fraud and risk management tools help reduce chargebacks, prevent fraud, and maximise authorisation success. Automated payouts streamline operational workflows for marketplaces, gig platforms, and financial services use cases.
For scaling businesses, Adyen’s global acquiring network, multi-currency capabilities, and consistent API design make it ideal for international expansion and high-growth environments.
Why Choose 6B for Adyen Integration?
We have extensive experience integrating Adyen’s Checkout, Payments, Recurring, Terminals, and Webhooks APIs for fintechs, marketplaces, and global commerce platforms.
Our reusable components — including tokenisation handlers, 3D Secure workflows, and webhook routers — accelerate delivery while ensuring robust, scalable performance.
We understand PCI DSS obligations, SCA requirements, fraud controls, and best practices for secure card processing.
Our integrations include strong encryption, authentication, access control, audit logging, and continuous monitoring.
6B provides end-to-end delivery from discovery and architecture through to development, testing, deployment, and long-term optimisation.
Adyen Integration FAQs
What can Adyen be used for?
What can Adyen be used for?
Adyen supports global online payments, in-person POS transactions, digital wallets, alternative payment methods, recurring billing, payouts, and advanced fraud and risk management. It is used by fintechs, marketplaces, and international retailers to deliver unified payment experiences.
Do we need PCI DSS compliance to integrate with Adyen?
Do we need PCI DSS compliance to integrate with Adyen?
Adyen reduces PCI scope through tokenisation, but your PCI obligations depend on how card data flows through your system. We help assess your compliance position and design secure, PCI-aligned payment journeys.
How does Adyen support Strong Customer Authentication (SCA)?
How does Adyen support Strong Customer Authentication (SCA)?
Adyen provides full 3D Secure 2 support, enabling both frictionless and challenge-based authentication. We integrate SCA flows into your checkout to ensure PSD2 compliance while maintaining strong conversion rates.
Can Adyen integration support recurring and subscription payments?
Can Adyen integration support recurring and subscription payments?
Yes. Adyen enables recurring billing through its Recurring and Tokenisation APIs, supporting subscription models, automated renewals, and stored payment methods. We design complete recurring workflows as part of your integration.
Does Adyen support point-of-sale (POS) and omnichannel payments?
Does Adyen support point-of-sale (POS) and omnichannel payments?
Yes. Adyen provides POS terminals and a unified API for online and in-person payments. We integrate both channels to support seamless omnichannel journeys and shared reporting.
How does Adyen handle refunds, disputes, and chargebacks?
How does Adyen handle refunds, disputes, and chargebacks?
Adyen offers APIs and real-time webhooks for refunds, reversals, disputes, and chargebacks. We build automated workflows to ensure these events are processed accurately and reflected across your systems.
How long does an Adyen integration project typically take?
How long does an Adyen integration project typically take?
Most integrations take several weeks to a few months depending on complexity, required payment methods, regions, POS needs, and regulatory considerations.
Do you provide ongoing support after launch?
Do you provide ongoing support after launch?
Yes. We offer continuous monitoring, webhook management, optimisation, compliance updates, and alignment with Adyen’s evolving API features and global payment rules.
Estimate the Cost of Your Adyen Integration Project
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Thank you for your request! 🙌 We will review your project and get back to you within 24 hours to share a ballpark estimate.
Want to speak to someone today? Call 6B on 0113 350 1290.
Readiness Checklist for Adyen Integration
- Define your payment flows (online, in-app, POS, recurring, payouts).
- Confirm PCI DSS requirements and SCA flows for your customer journeys.
- Identify required Adyen APIs and payment methods for your markets.
- Document refund, dispute, and reconciliation processes.
- Establish webhook event-handling and monitoring workflows.
- Prepare architecture showing how Adyen payments and events integrate with internal systems.
Speak To Our Adyen Integration Experts
Whether you're developing a new digital financial services product or extending an existing solution with Adyen integration, 6B brings the technical expertise, financial services insight, and experience needed to accelerate delivery.
