HCL helped UK’s leading foreign exchange supplier offering a range of services digitalize by integrating its digital channels with complex back end systems. Enterprise IT Systems are divided into systems of record, engagement and innovation. According to Forrester, while increasingly organizations are looking to increase their spending on systems of differentiation and innovation and halve spend on systems of record, there is underinvestment in systems of engagement… these systems need several key technologies, with a critical focus on back-office integration. The survey reveals integration with back-office systems as the biggest barrier to system of engagement delivery – Forrester Forrsights services survey 2013 UK’s leading foreign exchange supplier offering a range of services including wholesale notes provision, branch supply, Travel Money Online, management of prepaid Travel Money Cards, branch training and marketing wanted to digitalize its channels by integrating them securely with the complex back end systems HCL leveraged the power of APIs and delivered the following solution - • HCL created a generic API (Application Programming Interface) services layer based on Web Oriented Architecture (WOA) principles for the digital channels. It was built as an extensible framework to: Provide various channels and consumers with a secure way to integrate with business functions • Enable information tracking and end-to-end services management at every stage and across services • Develop feature driven domain APIs optimized for devices • Enhance the ability to extend to the chargeback model The business benefits accrued for the firm went much more beyond the stated objectives and HCL delivered – • Scalability • The solution laid the foundations for a Web Oriented Architecture framework now extendable to various other channels in addition to the originally intended Mobile Apps on Android and iOS • Cost Efficiency • Distributed caching reduced the usage of paid web services and resulted in cost savings • Reusability • The solution exposed the workflows of Top-up, Account Unlocking and other processes and made it reusable on the online application, which performs the same and similar functions • Innovation at the speed of business • The API Platform served as Back-end-as-a-Service for App developers, enabling them to build and innovate rapidly

1. Enabling integration of digital channels
with complex back-end systems with APIs
How to digitalize your organization leveraging the power of APIs
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2. Forrester says expenditure on Systems of Record to halve as a % of total IT spend from 2011 to 2016
Integration with back-office systems biggest barrier to funding of systems of innovation
“There is underinvestment in systems of engagement… these systems need several key
technologies, with a critical focus on back-office integration. The survey reveals integration with
back-office systems as the biggest barrier to system of engagement delivery – Forrester, 2013
Systems of record investments Systems of engagement spending System of Innovation
45%
79%
41%
18%
14%
3%
2011
2016
Source: Forrester, Forrsights Services Survey, 2013
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3. Case in Point: UK’s leading foreign exchange supplier wanted to integrate its digital channels
with complex backend systems to overcome the following challenges
To Design and develop a Backend-as-a-Service layer
To cache necessary data for certain periods to reduce calls to external paid web services
Integration with digital channels such as Mobile and Tablet Apps, Internet Browsers, and
other external and internal Consumers
A Secure way for consumers to integrate with business functions
To enhance the ability to extend to the chargeback model
To enable information tracking and end-to-end services management at every stage and across
services
For Details of the Solution Download on slide 5
3 Copyright © 2014 HCL Technologies Limited | www.hcltech.com

4. Host of Benefits HCL brought to the client far outnumber
Scalability
The solution laid the foundations for a Web Oriented Architecture framework now extendable to various other
channels in addition to the originally intended Mobile Apps on Android and iOS
Cost Efficiency
Distributed caching reduced the usage of paid web services and resulted in cost savings
Reusability
The solution exposed the workflows of Top-up, Account Unlocking and other processes and made it reusable on the
online application, which performs the same and similar functions
Innovation at the speed of business
The API Platform served as Back-end-as-a-Service for App developers, enabling them to build and innovate rapidly
Solution Details and Technical Architecture Download on slide 5
4 Copyright © 2014 HCL Technologies Limited | www.hcltech.com

5. APIs enables the integration of digital channels with complex back-end systems
ABOUT THE CLIENT
UK’s leading foreign exchange supplier offering a range of services including wholesale notes provision, branch
supply, Travel Money Online, management of prepaid Travel Money Cards, branch training and marketing.
Solution
The APIs for the Application was designed as a Mobile 4-tier engagement platform
1. Services Tier
2. Aggregation Tier
3. Delivery Tier
4. Client Tier
To know the details of the solution and the technical architecture read the case study
CLICK TO DOWNLOAD THE DETAILED CASE STUDY
5 Copyright © 2014 HCL Technologies Limited | www.hcltech.com