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Send weekly blended ad performance reports with Meta Ads, Google Ads, GA4 and OpenAI

by Redowan Ahmed Farhanadapted from n8n official workflow galleryUpdated Aug 2026
RequiresAAI AgentCCodeGmailGmailHTTP RequestHTTP RequestOpenAI Chat ModelOpenAI Chat ModelSlack
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ScEvery Monday 8amHRFetch Meta Ads InsightsFetch Meta Ads …HRFetch Google Ads ReportFetch Google Ad…HRFetch GA4 ConversionsFetch GA4 Conve…MeBlend Data SourcesBlend Data Sour…CoCompute Blended MetricsCompute Blended…AgSummarize What Moved (AI Agent)Summarize What …OpenAI Chat ModelOpenAI Chat Mod…SeBuild ReportEmail Report to ClientEmail Report to…Post to Agency ChannelPost to Agency …ErError TriggerNotify Ops1234567891011
1/5
FLOWS
STEPS · 11
Runs on a schedule

Quick overview This workflow runs every Monday at 8am, pulls last-7-days performance data from the Meta Ads API, Google Ads API, and Google Analytics 4, calculates blended KPIs, uses OpenAI to generate a client-friendly insight summary, and delivers an HTML report by Gmail while posting status update to Slack. How it works Runs every Monday at 8am on a schedule trigger. Fetches the last 7 days of spend and engagement metrics from the Meta Ads Insights endpoint. Fetches the last 7 days of campaign cost, clicks, and conversions from the Google Ads API using a streamed search query. Fetches the last 7 days of conversions and revenue by default channel group from the Google Analytics 4 Data API. Combines the three datasets and calculates blended totals for spend, conversions, revenue, and ROAS. Sends the blended metrics to OpenAI to generate a 3–4 sentence plain-language weekly performance summary. Builds a simple HTML report and sends it to the client via Gmail while posting a short “report sent” summary to a Slack channel. If the workflow execution fails, posts the error message to an ops Slack channel.

Tags

n8nreference-onlyagentgmaillm-chat-open-aislack
Connects
AAI AgentCCodegmailGmailWHTTP RequestopenaichatmodelOpenAI Chat ModelSlack
CategoryAI Automation
Triggermanual
Complexitycomplex
Nodes13
AddedJul 14, 2026

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