As announced in March 2023, Display & Video 360 (DV360) API v1 will sunset on September 14, 2023. Please migrate to DV360 API v2 before the sunset date to avoid an interruption of service.
You can read our release notes for more information about v2. Follow the steps in our v2 migration guide to help you migrate from v1 to v2.
If you run into issues or need help with your migration, please contact us using our support contact form.