Display & Video 360 API v3 has sunset. Migrate to v4.

Environment

AI-generated Key Takeaways

Display & Video 360 API v3 has sunset and users should transition to v4.
The content outlines possible environment targeting options for inventory.
Environment targeting options include web optimized, web not optimized, and app environments.

Possible environment targeting options.

Enums
`ENVIRONMENT_UNSPECIFIED`	Default value when environment is not specified in this version. This enum is a placeholder for default value and does not represent a real environment option.
`ENVIRONMENT_WEB_OPTIMIZED`	Target inventory displayed in browsers. This includes inventory that was designed for the device it was viewed on, such as mobile websites viewed on a mobile device. ENVIRONMENT_WEB_NOT_OPTIMIZED, if targeted, should be deleted prior to the deletion of this targeting option.
`ENVIRONMENT_WEB_NOT_OPTIMIZED`	Target inventory displayed in browsers. This includes inventory that was not designed for the device but viewed on it, such as websites optimized for desktop but viewed on a mobile device. ENVIRONMENT_WEB_OPTIMIZED should be targeted prior to the addition of this targeting option.
`ENVIRONMENT_APP`	Target inventory displayed in apps.

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Last updated 2025-10-08 UTC.