Frequently Asked Questions
Straight answers about what SMILE is, who built it, and where it runs.
What is SMILE?
SMILE (Sistem Monitoring Imunisasi dan Logistik secara Elektronik) is a digital public good for real-time vaccine cold chain monitoring. It ensures vaccines remain viable throughout the supply chain by monitoring temperature, humidity, and other critical conditions from central warehouses to remote health facilities.
Who built SMILE?
SMILE was built by Badr Interactive, an Indonesian software house established in 2011, in partnership with UNDP and the Ministry of Health of Indonesia (Kemenkes RI).
Is SMILE open source?
Yes. SMILE's core solution is released under the AGPL-3.0 license and is a verified digital public good (DPG) in the registry of the Digital Public Goods Alliance (DPGA). Any country or organization can adopt and deploy it without licensing fees or vendor lock-in.
Where is SMILE currently deployed?
SMILE is deployed in Indonesia at national scale — covering 514 kabupaten/kota with 10,300+ daily active users (Puskesmas) across 17,000+ islands (UNDP, 2026). It is also deployed in Malawi, Africa as eHIN Malawi (electronic Health Information Network), extending the platform across 2 continents (UNDP, 2026).
What technology does SMILE use?
SMILE uses ClickHouse for real-time analytics, MariaDB for reliable storage, Docker for containerized deployment, and provides REST APIs for integration with national health information systems.
What is a digital public good, and how is SMILE verified?
A digital public good (DPG) is open-source software that meets the DPG Standard and contributes to the UN Sustainable Development Goals. The DPGA reviews applications and lists verified solutions in its public registry.
SMILE is a verified DPG in the Open Software category (DPG ID GID0093129), under the AGPL-3.0 license, supporting SDG 3, 9 and 12. The verification was issued on 11 August 2026. The registry lists UNDP as the owner of the profile. View SMILE in the DPGA registry or read the verification details.
Still have a question we haven't answered here?
Contact the SMILE team