Yandex SmartCaptcha release notes

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Updated at May 22, 2026

December 2025

Added support for including frontend metadata, e.g., user data or anti-fraud system results, into CAPTCHA requests.

SmartCaptcha was certified for compliance with 152-FZ, GOST R 57580, and PCI DSS.

SmartCaptcha has successfully completed an external audit for 152-FZ, GOST R 57580, and PCI DSS compliance.

Added CAPTCHA challenge options that can be displayed based on request parameters. You can use combinations of traffic rules for flexible request segmentation.
Implemented CAPTCHA accessibility criteria in accordance with GOST R 52 872-2019. In particular, the CAPTCHA now:
- Compatible with screen access software.
- Can be operated using a keyboard or on-screen buttons (relevant for SmartTV).
- Contains more visual cues and instructions.

A maximum difficulty level has been added to SmartCaptcha. This level requires completing an additional high-difficulty challenge.