Caplin Technology

Buy-build-better: The very best of both worlds

Combine the speed and reliability of pre-built infrastructure with the flexibility of custom development. It’s smarter, faster and more cost-effective.

Products
  • BBVA
  • Citi
  • Standard Bank
  • Uni Credit
  • Weastpac
  • Lseg
  • Natwest Bank
  • JP Morgan
  • Santander Bank
  • Fifth third
  • Nomura
  • Ing
The benefits

We've taken care of the hard part.

Over 25 years, we’ve refined the entire trading stack into ready-to-go, industry standard products. The result? A streamlined approach that slashes time-to-market from the industry norm of 18-24 months to just 3-6 months.

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Superfast

  • Cut development time by up to 80% with ready-to-go solutions.
  • Reduce a multi-year journey to months with a platform that delivers fast ROI.
  • Scalable, low-latency software powering global financial institutions.
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Streamlined

  • Exceptional interfaces that prioritise client-first experiences.
  • Minimise operational complexity with tools designed for seamless integration.
  • Carefree performance with fully hosted and expertly managed SaaS option.
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Strategic

  • Enhance outcomes with modular solutions tailored to your business.
  • Easily develop and scale workflows, asset classes or features as your needs evolve.
  • Free your tech team to focus on strategic projects that drive new revenue streams.
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Sophisticated

  • Built on decades of expertise in FX and expanding into FICC.
  • Leverage modular building blocks to unify trading operations.
  • Ensure compliance and resilience with enterprise-grade technology.
A platform you can rely on

Unrivalled uptime and security

When it comes to managing your critical business systems, downtime is not an option. Our managed SaaS offering is designed with reliability at its core, delivering an industry leading uptime to ensure your operations run smoothly, around the clock.

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Proactive monitoring

Stay ahead of disruptions with advanced monitoring that tracks system performance in real-time to identify and resolve issues before they impact operations.

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Redundant infrastructure

Rely on uninterrupted service with our high-availability architecture, designed for seamless failover and built to handle the unexpected.

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Expert support team

Access 24/7 support from our skilled engineers, ready to provide immediate assistance and ensure your business runs smoothly at all times.

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Regular maintenance

Benefit from regular software updates and system checks, keeping your services secure, optimised and ready to meet tomorrow’s challenges.

Caplin Technology

Power up your trading experience

Caplin delivers the tools you need to create trading solutions that work the way your users do. From intuitive workspaces and high-performance distribution to seamless integrations, every layer is engineered to accelerate outcomes, drive efficiency and deliver real impact.

Power up your trading integrations

Simplify and accelerate connectivity with domain specific APIs designed to unify your backend systems.

Power up your trading platform

Designed for performance and scalability, our platform is the foundation for seamless, real-time trading.

Power up your trading workspaces

Give your users the workspaces that match their workflows, not the other way around.

Caplin Presentation Layer

Power up your trading workspaces

Give your users the workspaces that match their workflows, not the other way around. Caplin’s UI/UX framework blends purpose-built technologies with proven open-source tools to create intuitive, high-performance trading experiences that drive real impact.

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Low-latency streaming

Deliver data where it’s needed with real-time publish/subscribe streaming

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Global market ready

Interfaces designed to handle multiple languages and regional nuances

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Any data anywhere

Integrate multiple, diverse data sources via a single, robust integration platform

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Scroll complex datasets

High-performance displays of streamed data in an infinite scrolling grid

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Trading workflow tools

Simplify every trade with streamlined workflows and stateful messaging

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Real-time permissions

Keep data secure with real-time permissioning for security and compliance

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Web-centric technologies

Fully customisable rich layout manager adapts to the unique needs of your users

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Best-of-breed technologies

Leading, high-performance open-source tools like React, Webpack and NodeJS

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Scalable, secure and reliable

Caplin’s UI/UX ensures your platform works as hard as your traders

Create your tailored business solution

Caplin’s UI/UX tools aren’t just interfaces—they’re trading workspaces that make every click count. With dynamic layouts, powerful integrations and unmatched performance, we help you create experiences that keep your users on your platform.

Caplin Distribution Layer

Power up your trading platform

Caplin's high-performance platform is engineered for speed, scalability and simplicity, capable of normalising, distributing and handling messages for thousands of users—all from a single server.

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Low-latency streaming

High performance, low latency, low bandwidth real-time streaming

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Data caching and fanout

Streamline delivery to thousands of users simultaneously

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Trade messaging

Seamless messaging with domain-specific data types and JSON support with diffing

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User management

Secure data with built-in authentication and advanced permissioning controls

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Data transformation

Process data in real-time with extensible data transformation pipeline

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Margining and spreading

Dynamic margining and spreads for precise risk and pricing strategies

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Stream processing

Fast, efficient, and scalable server-side data windowing, sorting, and filtering

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Chart caching

Chart caching and intervalisation delivers optimal performance

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Object persistence

Improved reliability with real-time object persistence across trading workflows

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Platform discoverability

Seamless communication between components and modules

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Dynamic scaling

Automatically adjust and optimise resources based on real-time demands

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Monitoring tools

Management console GUI metrics on data, latency, users, and trading activity

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High availability

Redundant systems for continuous uptime

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Prometheus integration

Export key metrics easily with Prometheus for advanced monitoring and analysis

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Flexible deployment

Deploy directly onto physical hardware for maximum performance and control

Caplin’s platform isn’t just infrastructure—it’s the engine driving high performance trading at scale. With unmatched speed and advanced capabilities, it provides the foundation for trading solutions that exceed the demands of modern markets.

Caplin Integration Layer

Power up your trading integrations

Caplin’s integration layer simplifies and accelerates the process of connecting backend systems, delivering a proven framework to unify your web trading environment with domain-specific APIs, robust tools and pre-built adapters.

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Domain-specific APIs

Purpose-built APIs designed for efficient data integration

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Pricing APIs

Seamlessly connect pricing systems for real-time updates

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Trading APIs

Facilitate end-to-end trading workflows and execution

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Permissions APIs

Manage secure, role-based access across your platform

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Alerts APIs

Deliver real-time notifications to keep users informed

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Universal integration tools

Generic messaging and publish/subscribe API for seamless connectivity

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Developer plug-ins

Rapidly build adapters with Command line and IDE plugins

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Pre-built standard adapters

Widely used pricing, trading and messaging systems

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Language support

Develop with C, Java, .NET, Kotlin and and a wide range of other tools

Caplin’s integration layer isn’t just connectivity—it’s the backbone of a unified trading ecosystem. With tools designed to simplify complexity, we help you build seamless, scalable solutions that power trading efficiency.

Mobile companion app

Trading made mobile

Stay in control and analyse the markets from anywhere with Caplin’s mobile companion app.


  • Access real-time market data and monitor positions on the go.
  • Receive real-time notifications on important, actionable trade events.
  • Streamline workflows with instant confirmations and settlements.
  • Execute trades and manage exposures across asset classes.
  • Seamlessly integrated with desktop, it’s trading made mobile.
Read case study
Mobile app
It's happening with Caplin

Powering up their time to value

BBVA eTrader FX Platform

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AtomFX for Sales Desks

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Capital Markets

Read more
  • BBVA
  • Citi
  • Standard Bank
  • Uni Credit
  • Weastpac
  • Lseg
  • Natwest Bank
  • JP Morgan
  • Santander Bank
  • Fifth third
  • Nomura
  • Ing
From our blog

The latest from the experts in...

How we build better UX in trading: inside the design day practice

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From Legacy to Leveraged: Re-imagining the FX Trading Sales Desk

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Embracing the digital age: Regional banks and Single Dealer Platforms

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Want to know more?

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Testimonial
Testimonial

Rodney Chetty, Standard Bank

Caplin’s suite of products form a key part of how we do business with our clients. The Caplin team provide a great technology solution and strong business partnership that supports our aspirations

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