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Monitor Klaviyo list decay with Postgres logging and Gmail reports

n8nn8n16 modulesv1.0
GmailKlaviyo

Klaviyo List Decay Detection Protect your sender reputation by automatically identifying and suppressing unengaged Klaviyo profiles every night. This workflow fetches your entire Klaviyo audience, scores each profile based on days since last engagement, and classifies them into four decay tiers — Active, Moderate, High, and Critical. Profiles inactive for 90+ days are bulk-suppressed automatically via the Klaviyo API. A styled HTML report is emailed daily with a full tier breakdown, and all re

At a glance

Monitor Klaviyo list decay with Postgres logging and Gmail reports is a ready-made n8n workflow you import as a workflow JSON file — no build required. It connects Gmail, Klaviyo. It's free to download. Follow the 5-step import below to go live in minutes.

Platform
n8n
Connects
Gmail, Klaviyo
Modules
16
Price
Free
Version
v1.0
Monitor Klaviyo list decay with Postgres logging and Gmail reports workflow diagram

About this workflow

Klaviyo List Decay Detection Protect your sender reputation by automatically identifying and suppressing unengaged Klaviyo profiles every night. This workflow fetches your entire Klaviyo audience, scores each profile based on days since last engagement, and classifies them into four decay tiers — Active, Moderate, High, and Critical. Profiles inactive for 90+ days are bulk-suppressed automatically via the Klaviyo API. A styled HTML report is emailed daily with a full tier breakdown, and all results are logged to Postgres for historical tracking. Any workflow failure is caught, logged, and alerted immediately. What you get: Nightly automated list health monitoring Four-tier decay scoring (0–100 engagement score per profile) Automatic bulk suppression of critical profiles in batches of 100 Daily HTML email report with tier counts and run metadata Full Postgres audit trail per profile and per run Error handling with instant email alerts on failure Requires: Klaviyo API key, Postgres database, Gmail OAuth2

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How to import this n8n workflow

  1. 1

    Download the workflow JSON file after purchase.

  2. 2

    Open n8n → click the menu → Import from File.

  3. 3

    Select the downloaded JSON and import.

  4. 4

    Set up credentials for each node that requires them.

  5. 5

    Click Execute Workflow to test, then activate.

Setup guide

Setup guide included

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