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Yandex SmartCaptcha
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  1. Concepts
  2. Public IP addresses

SmartCaptcha public IP addresses

Written by
Yandex Cloud
Updated at July 7, 2026
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For SmartCaptcha to run correctly, enable access to the following IPs:

IPv4 IPv6
84.201.151.229 2a0d:d6c1::1a:0:0:0:20e

They serve to ensure an API request sent to /validate runs correctly.

Useful linksUseful links

  • Public IP address ranges in Yandex Cloud
  • IP address ranges used by Yandex

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