Google is making passkeys necessary for customers producing new OAuth 2.0 refresh tokens by means of the Google Adverts API, a part of a broader push to strengthen account safety throughout Google Adverts.
The rollout begins on fifth August and can broaden to all customers over the next weeks.
What’s new. Going ahead, customers following the Google Adverts API’s person authentication workflow will probably be required to authenticate with a passkey when producing new OAuth 2.0 refresh tokens.


As soon as the change takes impact:
- Passkeys will exchange password-only authentication and conventional two-factor strategies corresponding to SMS codes and time-based one-time passwords (TOTP) for this workflow.
- Customers and not using a passkey will probably be prompted to create one throughout authentication.
- Present OAuth refresh tokens will proceed to work and received’t require reauthorisation.
- A newly created passkey could also be topic to a seven-day safety delay earlier than changing into absolutely trusted.
Google recommends making a passkey forward of time to keep away from delays when new authentication is required.
Why we care. Whereas most advertisers received’t discover the change, builders, businesses and SaaS platforms that generate OAuth refresh tokens for Google Adverts customers might want to put together. Groups onboarding new customers after the rollout ought to account for the passkey requirement—and the potential seven-day belief interval—to keep away from sudden delays. Purposes utilizing service accounts for automated workflows aren’t affected.
Additionally affected. The passkey requirement will lengthen to different Google Adverts merchandise that depend on the Google Adverts API, together with:
- Google Adverts Editor.
- Google Adverts Scripts.
- BigQuery Knowledge Switch Service.
- Looker Studio.
Customers accessing these instruments and not using a passkey will probably be prompted to create one.
Backside line. Beginning in August, passkeys will grow to be the usual authentication technique for producing new Google Adverts API refresh tokens. Present integrations will proceed working, however builders ought to put together new customers for the up to date sign-in course of earlier than the rollout begins.
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