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Send weekly newsletter growth reports to Slack and Telegram with Kit

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Created by: Ziad Karim || ziadkarim
Ziad Karim

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Last update 2 days ago

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Quick overview

Every Monday your newsletter's key numbers — new subscribers, cancellations, net growth and list total — arrive in Slack or Telegram. Reads Kit (ConvertKit) by default; beehiiv, Mailchimp or Buttondown are a one-URL swap. Put ad spend next to net growth and know which creatives earn their budget.

How it works

  1. Every Monday at 08:00 a Schedule Trigger fires — change the day or hour to match when you plan your week.
  2. Fetch Growth Stats From Kit reads your subscriber stats from Kit's (ConvertKit's) v4 growth_stats endpoint over plain HTTP — no OAuth, no community nodes.
  3. Format the Weekly Report builds a short five-line report: new subscribers, cancellations, net growth for the week and your current list total.
  4. The report posts to Slack and/or Telegram — the two nodes are independent; delete the one you don't use.

Setup

  1. Create a Header Auth credential named X-Kit-Api-Key with your API key (Kit → Settings → Developer) and select it in Fetch Growth Stats From Kit.
  2. Slack: create an incoming webhook at api.slack.com/apps and paste its URL into Post Report to Slack.
  3. Telegram: create a bot with @BotFather, put its token in the URL of Post Report to Telegram and your chat id in chat_id.
  4. Delete whichever of the two channel nodes you don't use, then activate the workflow.
  5. Change the day or hour in Every Monday at 08:00 if Monday 8am isn't when you plan your week.

Requirements

  • An email platform with a stats endpoint — Kit (ConvertKit) out of the box, beehiiv / Mailchimp / Buttondown with a one-line URL swap — plus a Slack incoming webhook URL or a Telegram bot token and chat id. Plain HTTP Request nodes only: no OAuth, no community nodes.

Customization

  • Change the schedule in Every Monday at 08:00 to whatever day and hour you plan your week. Swap the endpoint in Fetch Growth Stats From Kit (beehiiv GET /v2/publications/{id} → stats.active_subscriptions, Mailchimp GET /3.0/lists/{id} → stats.member_count, Buttondown GET /v1/subscribers?type=regular) and match the field names in Format the Weekly Report. That same node is where you'd add ad spend or a cost-per-subscriber line.

Additional info

Built for people running paid acquisition: net growth next to weekly ad spend is the number that tells you whether a creative is worth keeping, and it arrives in Slack before you've opened a dashboard.