Meetup registration system with PostgreSQL database & interactive giveaway tool
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. ๐ n8n Workflow: Meetup Registration & Giveaway Picker This n8n workflow is designed to handle both participant registration and giveaway winner selection, fully integrated with a frontend experience. ๐ Participant Registration Flow This part of the workflow automates the registration process for meetup attendees. ๐ Steps: 1. ๐ Participant Form (Webhook Trigger) - Triggered when a user submits th
At a glance
Meetup registration system with PostgreSQL database & interactive giveaway tool is a ready-made n8n workflow you import as a workflow JSON file โ no build required. It connects Discord, WhatsApp. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Discord, WhatsApp
- Modules
- 8
- Price
- Free
- Version
- v1.0

About this workflow
This workflow contains community nodes that are only compatible with the self-hosted version of n8n. ๐ n8n Workflow: Meetup Registration & Giveaway Picker This n8n workflow is designed to handle both participant registration and giveaway winner selection, fully integrated with a frontend experience. ๐ Participant Registration Flow This part of the workflow automates the registration process for meetup attendees. ๐ Steps: 1. ๐ Participant Form (Webhook Trigger) - Triggered when a user submits the form. - Captures fields like namalengkap, email, whatsapp, discordusername, and more. 2. ๐ ๏ธ Data Mapping - Maps raw form inputs into a structured format. - Supports trimming, validation, and transformation as needed. 3. ๐พ Save to Database - Performs an upsert operation to store participant info in PostgreSQL. - Prevents duplicate entries based on unique ID (e.g., WhatsApp or email). 4. โ Confirmation Screen - Returns a success message or thank-you page after registration is complete. ๐ Giveaway App This section serve frontend app to display and select random winners. ๐ Steps: 1. ๐ Webhook GET (Giveaway App) - Exposes a public endpoint that delivers a ready-to-use HTML app. - Can be opened in a browser or projected during the event. 2. ๐ฅ Fetch Participants - Executes a SQL query to retrieve all participant records from the database. 3. ๐งฎ Format Participant Data - Redacts personal details (e.g., masks WhatsApp numbers). - Encodes the id using Base64 for privacy and uniqueness. 4. ๐ค Render Giveaway App - Returns an HTML-based Single Page Application with the participant list included. - Allows the host to click a button to pick random winners live. โ Use Case Highlights - Streamlined participant collection and storage using n8n workflows - Secure data handling with redaction and ID encoding - Frontend integration for a fun, interactive giveaway experience - Reusable for other community events, workshops, or internal team draws
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n โ click the menu โ Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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- JSON blueprint โ instant download
- Setup guide PDF included
- 5 downloads ยท valid 30 days
- Works with n8n
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