CASE STUDY
Stima Sacco Modernizes Cooperative Banking with WSO2
Product Area
API Management
Region
Africa
Industry
Financial Services
Overview
Stima DT Sacco Society Limited is a leading deposit-taking cooperative society in Kenya, dedicated to empowering its members financially and socially. As the first Sacco to be licensed by SASRA, the Sacco Societies Regulatory Authority (License No. 1), Stima Sacco has been a pioneer in introducing innovative financial solutions, including instant ATM services, mobile banking, cheque truncation, Shariah-compliant products, and conventional cheque issuance.
Stima Sacco provides a comprehensive range of services, including savings and deposit accounts, credit facilities, mortgage solutions, investment options, insurance through its fully-owned Mpawa Insurance Brokers, and diaspora financial services. With a strong emphasis on convenience and member empowerment, Stima Sacco leverages digital platforms such as the M-Stima mobile banking app and specialized portals for internet banking, insurance, and payroll management.
The organization’s mission is to provide accessible, secure, and value-driven financial solutions while fostering innovation, compliance, and member satisfaction. Stima Sacco has continuously focused on expanding its technological capabilities to improve service delivery and member experience, aiming to become the first billion-dollar credit union in Africa within the next five years.
WSO2 presents to us the platform with which we can bring digital transformation at speed. We are able to scale up our applications, reuse code, and bring more solutions to market."
Samuel Kahura Wacira
ICT Manager
Stima Sacco Society Ltd
Challenge
Stima Sacco faced major difficulties integrating with its partners such as banks, fintechs, and other financial institutions. Point-to-point VPN connections were complex to manage, insecure, and slow, making it difficult to guarantee data protection or assure partners of a secure link. This led to a slow development cycle and delayed time-to-market for new digital products and partnerships.
At the same time, the organization was preparing to migrate to a new core banking system, launch mobile and internet banking, and needed seamless, secure interconnectivity across systems, all while maintaining compliance with Kenya’s data protection mandates.
Solution
By adopting WSO2 API Manager, Stima Sacco established an interoperable integration platform connecting partners, core banking, ERP, and digital channels.
Stima Sacco, a financial institution with over 25 integration points, collaborates with numerous service providers offering mobile money, ATMs, cheques, and other forms of deposits and payments. These services are accessed by over 15 external parties, enabling seamless information exchange for members.
With WSO2, Stima Sacco is able to:
- Securely integrate between itself and its numerous service providers.
- Standardize services and support multiple protocols.
- Rapidly build and reuse APIs for systems such as Remitly (diaspora remittances), PesaLink (interbank transfers), and Empower Insurance (loan protection products).
- Accelerate innovation and simplify partner onboarding.
- Monitor service performance with reporting capabilities.
Stima Sacco also received direct support from WSO2’s technical team, ensuring quick issue resolution, collaborative development of analytics use cases, and ongoing confidence throughout the implementation journey.
Results
- Accelerated time-to-market cycles: Enabled faster rollout of new financial products like diaspora remittances and interbank transfers.
- Improved security and interoperability: API-driven connectivity replaced manual VPN setups, ensuring secure, scalable integration across systems.
- Enhanced customer experience: Seamless digital interactions improved satisfaction and reduced friction for members, translating into improved revenue growth.
- Innovation readiness: Stima Sacco is now preparing to move toward a microservices architecture, adopt WSO2 Integrator and Analytics, and integrate AI-driven observability as part of its roadmap.
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