Templates / Manage gym check-ins and subscriptions with Supabase, Google Sheets, and QR codes

Manage gym check-ins and subscriptions with Supabase, Google Sheets, and QR codes

Unknown

by iamvaar ✓ · 57 views · created 2026-06-30 · Miscellaneous

Unknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.

What this workflow does

This workflow has 22 nodes and runs when an HTTP POST request hits its webhook URL (plus 3 other triggers). Along the way it connects Supabase and Barcode Scanner (community).

How it runs

Trigger: When an HTTP POST request hits its webhook URL (plus 3 other triggers).

Update Account Status (Supabase): update
If: checks a condition and branches into true / false
Generate Gym Checkin QR (Barcode Scanner): generate
Generate Signup QR (Barcode Scanner): generate
Fetch Entry Details (Supabase): get many
Respond with Gym QR (Respond to Webhook): sends the response back to the webhook caller
Respond with Signup QR (Respond to Webhook): sends the response back to the webhook caller
If: checks a condition and branches into true / false
Set User ID (Edit Fields (Set)): sets 1 field: Userid
Respond Missing Entry ID (Respond to Webhook): sends the response back to the webhook caller

…plus 8 more steps. See the full node list below.

Services it uses

SupabaseBarcode Scanner (community)

Before you upgrade to n8n 3.0

We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).

Check that n8n-nodes-barcode-scanner is verified or supports 3.0 (used in Generate Gym Checkin QR, Generate Signup QR).

Nodes used (7)

Webhookn8n-nodes-base.webhook
Respond to Webhookn8n-nodes-base.respondToWebhook
Ifn8n-nodes-base.if
Barcode Scannern8n-nodes-barcode-scanner.barcodeScanner
Edit Fields (Set)n8n-nodes-base.set
Coden8n-nodes-base.code
Supabasen8n-nodes-base.supabase

From the author

Quick overview Youtube Video: https://youtu.be/QyIalCCy6s8?si=ZlmdeoZz3qbDGwJ Github Repo: https://github.com/blankarrayy/automated-gym-checkin-system This workflow handles gym entry via QR codes by validating check-in requests against Supabase subscription…
Excerpt from iamvaar's description on n8n.io.

View the original on n8n.io → Check your own copy

Manage gym check-ins and subscriptions with Supabase, Google Sheets, and QR codes

What this workflow does

How it runs

Services it uses

Before you upgrade to n8n 3.0

Nodes used (7)

From the author

Get the weekly “what broke” email