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Database Webhook to n8n Real-Time Lead Alert System
An end-to-end event-driven lead capture and instant notification pipeline connecting a website contact form to a database (NocoDB / Supabase),…
An end-to-end event-driven lead capture and instant notification pipeline connecting a website contact form to a database (NocoDB / Supabase), which natively emits an after.insert HTTP POST webhook to n8n. The n8n workflow processes the lead payload and dispatches a formatted Markdown alert to a Telegram bot within 800ms.
- Replication of challenge workflow: Website Modal Form ➔ NocoDB Table ➔ after.insert Webhook ➔ n8n ➔ Telegram Bot
- Interactive 4-pane live simulator featuring agency landing page ('Dynamic Automations'), reactive NocoDB data grid, n8n visual execution canvas, and Telegram alert client
- Event-driven database webhook architecture eliminating client-side dual-dispatch fragility and securing bot credentials
- Real-time execution telemetry tracking millisecond stopwatch, execution ID (#934), and active node glowing pulses
- Sanitized production-ready 2-node n8n workflow JSON ready for one-click import
- Complete multi-platform webhook guide for NocoDB table hooks, Supabase Database Webhooks, and PostgreSQL triggers
- Automated 8-point in-browser diagnostic test suite verifying form validation, DB row insert, webhook payload formatting, and Telegram delivery
Built with: n8n, Database Webhooks, NocoDB, Supabase, PostgreSQL, Telegram Bot API, Event-Driven Architecture, Speed to Lead, JavaScript