Marketing · n8n

Catch Google Ads Spend Anomalies Before They Blow Your Budget

Monitor daily Google Ads spend and get an immediate alert when a campaign spends far above its normal rate, catching runaway costs early.

difficulty Advancedsetup 40 minresult You're alerted to abnormal ad spend the same day, preventing budget from draining into a misfiring campaign.—
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  1. 1

    Pull Daily Spend

    Add a Schedule Trigger running several times a day and an HTTP Request to the Google Ads API for each campaign's spend so far today.

  2. 2

    Compare to Baseline

    Add a Code node comparing today's pace to the campaign's recent daily average.

  3. 3

    Flag Anomalies

    Add an IF node continuing when spend pace exceeds, say, 1.5x the normal rate.

  4. 4

    Alert the Team

    Add a Slack node naming the campaign, current spend, expected spend and the overage.

  5. 5

    Activate and Tune

    Activate the workflow and adjust the sensitivity so only genuine anomalies alert.

Frequently asked questions

Can it pause the campaign?

Yes — add a Google Ads pause step for extreme overages, but require confirmation for anything less clear-cut.

What about conversion drops?

Add conversion data to flag campaigns spending normally but converting poorly, which also waste budget.

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