Welcome To
STSI Holdings
STSI Holdings (Pvt) Ltd is one of a leading Multi-Recharge API provider in Sri Lanka, with creating STS Merchant Account & Integrating STS Multi-Recharge API, anyone can seamlessly develop a Reload & Bill Payment Mobile App.
~ Our Services ~
STS Multi Recharge API
Integrate STS Multi-Recharge API & Develop Your Own Reload & Bill Payment Mobile App.
STS Merchant Portal
Manage Your STS API Transactions & Funds Through Our Modern & Secured Merchant Portal
REST API Development
We Develop and Integrate Any Type Of REST API As Per Clients Requirements
POS System Development
We Develop Modern Cloud POS Systems With Reload & Bill Payment System
Software Development
We Develop Any Type Of Software Systems As Per Clients Requirements
Website Development
We Develop Any Type Of Websites & Web Apps As Per Clients Requirements
Android App Development
We Develop Any Type Of Android Apps As Per Clients Requirements
iOS App Development
We Develop Any Type Of Apple iOS Apps As Per Clients Requirements
Progress Tracker
Track your progress with our app.
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Smart Notification
Never miss your fitness routine.
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Personalized style
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Workout with friend
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Tracking & progress
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Fun & competitive
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Music you love
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Personalized diet menu
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