Templates / Send subscription renewal reminders via Telegram with Supabase

Send subscription renewal reminders via Telegram with Supabase

Ready for 3.0

by vinci-king-01 ✓ · 92 views · created 2026-02-03 · Invoice Processing

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 15 nodes and runs when an HTTP POST request hits its webhook URL. Along the way it connects Supabase and Telegram.

How it runs

Trigger: When an HTTP POST request hits its webhook URL.

  1. Extract API Key (Edit Fields (Set)): sets or maps fields
  2. Authorized? (If): checks a condition and branches into true / false
  3. Fetch Subscriptions (Supabase): list
  4. Compose Error Response (Edit Fields (Set)): sets or maps fields
  5. Calculate Days (Code): runs custom JavaScript code
  6. Insert Error Log (Supabase): uses Supabase
  7. Respond to Webhook: sends the response back to the webhook caller
  8. Expiring Soon? (If): checks a condition and branches into true / false
  9. Create Telegram Message (Edit Fields (Set)): sets or maps fields
  10. Compose Success Response (Edit Fields (Set)): sets or maps fields

…plus 4 more steps. See the full node list below.

Services it uses

SupabaseTelegram

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (7)

From the author

Subscription Renewal Reminder – Telegram & Supabase This workflow tracks upcoming subscription expiry dates stored in Supabase and automatically sends personalized renewal-reminder messages to each customer via Telegram. It is designed to be triggered by an…

Excerpt from vinci-king-01's description on n8n.io.

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