[Yandex Cloud documentation](../../index.md) > [All solutions](../index.md) > SmartCaptcha > All solutions for SmartCaptcha

# Solutions for SmartCaptcha

## Examples of SmartCaptcha configurations and use cases {#configuration-examples}

* [How to get information about the number of challenges used over a certain period](how-to/learning-about-monitoring-and-tarification.md)

## Solutions for known SmartCaptcha issues {#known-issues-resolving}

* [Fixing the `Key cannot be used on the captcha-api.yandex.ru domain` error](known-issues/error-captcha-cannot-be-used-on-domain.md)