Your technical partner

Why use APIs for your fintech product?

APIs are hugely important in fintech app development: they save development time, simplify business processes, and speed up data exchange. Whether you’re a fintech startup or a major bank going through a digital transformation, you can’t ignore third-party services integration. At Epseven, we have wide experience in integrating several types of APIs that are crucial for the industry:

  • Payment processors with multi-currency support
  • Investment management APIs that provide advisors with access to users’ investment portfolios
  • Regtech integrations that help clients comply with market- and industry-specific regulations

As a technical partner, we dive deep into your business specifics to hand-pick API solutions tailored to your company.



When do you need our API integration expertise?

  • When you need to integrate lots of services while maintaining a clear architecture
  • When you want to separate the business and data layers to make your app work smoothly and properly format your data
  • When you need to incorporate the highest security standards
  • When you want to set up an application that can work across several markets conveniently

API integration case studies

We’re always here for our clients


We cover every stage of product development, so you have more time to focus on business

  • Web Development
  • Mobile App Development
  • UX/UI Design
  • Data Science
  • DevOps
  • Quality Assurance
  • Web Development Web Development
    Web Development

    From lightweight MVPs to complex web products, we make your idea real, taking all the technical worries off your shoulders.

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  • Mobile App Development Mobile App Development

    Mobile App Development

    Using up-to-date technologies, we build mobile apps from scratch, support and update them as long as you need.

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  • UX/UI Design UX/UI Design

    UX/UI Design

    Deep UX research, human-centered solutions and scalable interfaces are in the core of our design team.

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  • Data Science Data Science

    Data Science

    Data architecture, AI, data-driven marketing, big data or machine learning solutions - how are you going to grow your business?

  • DevOps DevOps


    We implement DevOps as a culture on every step of the development process to provide you with top-notch quality of a product and technical partnership in general.

  • Quality Assurance Quality Assurance

    Quality Assurance

    Ensuring quality of your product will save your money and make your users happy, and all of that will be done by our QA engineers.

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See all services


We’ve helped our clients establish integrations with

  • Wuestpartner
  • SwissLife
  • Logismata
  • Experian
  • Onfido
  • Pepper money
  • Rightmove
  • Swissquote
  • WealthArc

Our blog

Learn more about our API integration services

    How Much Does It Cost to Build a Messaging App
    People can hardly imagine the world without WhatsApp, WeChat, and other popular messenger apps. They are loaded in almost every smartphone, and people send billions of instant messages, pictures, and videos through these technologies every day. Chat apps help us
    How to Develop a Food Delivery App and Feed the World in 2020
    Startup ideas in the food industry always have a chance of survival. Case in point: people need food, and a lot of the time want it delivered right to their door. City dwellers are so busy hustling at work that
  • Travel as a Service: How to Develop a Travel Platform
    The travel industry has immense potential. It is dynamic, ever-changing, and it keeps engaging diverse audiences. There are different factors enhancing the role of travel – including the growing availability and simplicity of travel services. For those who want to

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