Interacting with Google Ads in an idempotent way.

[Ben Johnson]

Hello,

I have a more general design question for making changes to a Google Ads account through the API.

Does anyone have any advice on how to retry sweeping account changes or write code that interacts with the API in an idempotent way?

For example, if I was trying to create several campaigns and ad groups, I can batch up the create operations into two api requests (one for executing all the create campaign operations and one for all the create ad group operations). However, if something goes wrong in the middle of creating ad groups, as far as I can tell there is no way to easily re-run these changes in an idempotent way because the campaigns have already been created and I cannot recreate campaigns with the same names (even after removing the old campaigns, the names must be unique among all removed and active campaigns).

The closest thing I can think is to check (before every create operation) if an object already exists with a similar name, and if so, skip creating the new object. However, this would require an API call to check on Google Ads for the existence of an object for every creation operation and would kind of mute the entire point of batching create operations into one API request.

Would be nice to have COMMIT and ROLLBACK operations in the API.

Advice?

[googleadsapi...@google.com]

Hi Ben,

Thank you for reaching out. I would suggest you to check out this sample code on how you could handle partial failures. For partial failures, all failed requests will be recorded while all successful requests will pass through. This said, you could just run the batch operation again excluding the ones that are successful.

Let me know if this helps. Feel free to write back if you have further clarifications.

Regards,

Dave

Google Ads API Team

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