Ensuring Vaccines Reach Every Child, Everywhere
SMILE is an open-source digital public good for real-time cold chain monitoring. Proven across 17,000 islands in Indonesia and deployed in Africa.
Verified by the Digital Public Goods Alliance (DPGA). See verification details
What Impact Has SMILE Delivered in the Field?
SMILE runs national-scale vaccine cold chain monitoring across 17,000+ islands (UNDP, 2026), serving 10,300+ daily active Puskesmas users in 514 kabupaten/kota (UNDP, 2026), and is also deployed as eHIN Malawi — proof that the platform scales from the world's largest archipelago to the heart of Africa.
Indonesia
In partnership with UNDP & Kemenkes RI
SMILE powers the national vaccine cold chain monitoring system across Indonesia's 17,000 islands, serving over 10,300 Puskesmas and 514 kabupaten/kota — ensuring vaccines remain viable from factory to community health centers.
- ✓ National-scale deployment across all provinces
- ✓ 10,300+ daily active users (Puskesmas)
- ✓ 514 kabupaten/kota covered
- ✓ Integrated with national health system
Malawi
Deployed as eHIN Malawi
SMILE's technology adapted for the African context, supporting vaccine logistics and cold chain integrity in Malawi's health districts — extending the platform to 2 continents (UNDP, 2026).
- ✓ Cross-continent deployment
- ✓ Adapted for local infrastructure
- ✓ Proven replicability model
What Is SMILE Built to Solve?
SMILE combines real-time cold chain temperature monitoring with end-to-end vaccine logistics tracking in a single platform, built to protect vaccine integrity from central warehouses to remote health posts.
Real-Time Monitoring
Continuous temperature tracking across the entire cold chain — from central warehouses to remote health posts.
Instant Alerts
Multi-channel notifications when temperatures breach safe ranges. Respond before vaccines are compromised.
National Dashboard
Centralized view of cold chain status across all regions. Powered by ClickHouse for real-time analytics at scale.
End-to-End Logistics
Track vaccine shipments from origin to destination with full chain-of-custody and condition monitoring.
Multi-Country Ready
Architected for deployment across different countries and contexts. Proven in Asia and Africa.
Open API & Integration
RESTful APIs for integration with national health information systems. Supports FHIR and HL7 standards.
Why Is SMILE Open Source?
Because life-saving health technology should be freely available to those who need it most. SMILE is a verified digital public good in the registry of the DPGA, so any country or organization can adopt, customize, and audit its core platform without licensing fees or vendor lock-in. It is already deployed as eHIN in Malawi, alongside its national-scale use in Indonesia.
The DPGA verified SMILE under the Open Software category on 11 August 2026.
Core solution under AGPL-3.0, verified by the DPGA
JWT, JSON, HTTPS, TLS, CSV, and OAuth2
GDPR compliance, encryption in transit and at rest, and role-based access control
Good Health and Well-Being (primary) 
Industry, Innovation and Infrastructure 
Responsible Consumption and Production Self-reported by the owner in the DPGA registry. SDG icons: United Nations. The content of this publication has not been approved by the United Nations and does not reflect the views of the United Nations or its officials or Member States. un.org/sustainabledevelopment
Our Partners & Certifications
Working with leading organizations to strengthen global health supply chains.
Frequently Asked Questions
Quick answers about what SMILE is and where it runs.
Ready to Strengthen Your Health Supply Chain?
Whether you're a UN agency, government, NGO, or health organization — let's talk about how SMILE can support your cold chain monitoring needs.