UIDAI Launches SDK, Sandbox To Ease Aadhaar Face Authentication

The Unique Identification Authority of India (UIDAI) has introduced a new software development kit (SDK) and sandbox designed to simplify the integration of Aadhaar face authentication into various digital services. Unveiled at the Global Fintech Fest (GFF) 2026 in Mumbai, the launch aims to streamline the adoption of this biometric verification method, which has been available since 2018 alongside other Aadhaar authentication options like fingerprints and iris scans.

Developers can utilize the SDK to incorporate face authentication into apps and other digital services more easily, bypassing the need to develop the underlying technology from scratch. A sandbox environment is provided for testing the integration before wider deployment. The UIDAI's part-time chairperson, Neelkanth Mishra, highlighted that Aadhaar currently processes around 10 crore (100 million) authentications daily, with plans to scale up support to 25 crore to 30 crore daily as usage increases.

The initiative aligns with UIDAI's broader efforts to transition Aadhaar services away from paper-based and in-person processes toward digital verification. The authority is also leveraging artificial intelligence for fraud detection, facing increasingly sophisticated attempts to compromise biometric systems through manipulated images, masks, and deepfakes. In October last year, UIDAI launched the SITAA program to support the development of countermeasures against such attacks.

The Aadhaar app, launched in beta in April 2025, enables users to verify their identities digitally and share selected information, featuring face authentication, QR code verification, and various management functions such as updating details, locking/unlocking biometrics, and viewing authentication history. The latest SDK and sandbox launch comes amid heightened government and regulatory focus on fraud, cybersecurity, and consumer protection as India's digital financial ecosystem continues to expand.