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Digital customer experience
Create self-serve experiences your customers love.
Mobile and web apps
Launch ready-made native mobile (iOS and Android) and responsive web apps in weeks not years, all fully configurable for your brand, products and flows. Modern and built to delight, our apps provide a full suite of pre-built features optimised for rapid deployment and growth.

Headless APIs and SDKs
Our headless APIs and SDKs are uniquely extensible, allowing your team to design unique frontend experiences while Constantinople handles the banking products, infrastructure and operations behind the scenes.
RESTful API endpoints
Webhook notifications
OAuth 2.0 authentication
Ready to build SDKs
Developer documentation
Integration support tools
AI concierge
Resolve customer queries 24/7 with an intelligent virtual agent trained on your knowledge base and tone of voice. Deliver compliant, on-brand support at scale in-app and on web.

Customer engagement engine
Engage customers with real-time, personalised messaging in the moments that matter. Event-driven nudges, alerts and notifications keep customers informed. Personalised recommendations, offers, and content deepen engagement and build stronger relationships.

Digital onboarding
Onboard quality customers in minutes with real time digital verification, biometrics, and fraud detection on any device for individuals and businesses. Lift conversion, prevent financial crime and grow with confidence.

Key features

Seamless cross-channel experiences
Let customers move fluidly across devices, starting tasks on one, finishing on another. Real-time sync keeps data, settings and notifications consistent across channels.

In app self-service
Give customers control with a seamless, intuitive self-service experience. From tracking applications to adjusting payment limits, everything is self-service, in real time.

Beautiful, practical design system
Bring your brand to life with configurable design patterns that reflect your identity, tone of voice, and preferred flows, so every interaction feels unmistakably yours.

User access and permissions
Support every user scenario with flexible, role-based access controls. From parental to powers of attorney, businesses to trusts, our platform is built for complex permission structures.

Proactive insights
Help customers stay on top of their finances with intelligent insights and guidance. Smart categorisation, spend analysis and behavioral analytics power personalised budgeting, goal tracking and nudges.

Open banking ready
Compliant with open banking standards to enable secure data sharing and integrated customer experiences across providers and products.





