061 | n8n + Supabase: PostgreSQL, Authentication, and API All in One

July 23, 2025

n8n + Supabase: PostgreSQL, Authentication, and API All in One

We continue our series on n8n’s integration with backend services. Today’s focus is Supabase — a popular open-source Firebase alternative built on PostgreSQL. Supabase delivers everything a modern backend needs — DB, authentication, API, realtime — and integrates seamlessly with n8n.

What Is Supabase?

Supabase is a BaaS (Backend-as-a-Service) that brands itself as an “open-source Firebase alternative,” powered by PostgreSQL. It offers:

060 | n8n and the World of Databases: Why Automating Backends and BaaS Matters

July 22, 2025

n8n and the World of Databases: Why Automating Backends and BaaS Matters

In our previous article series, we explored the worlds of monitoring and logging, as well as how n8n helps automate routine tasks by connecting various web services. But what if your data isn’t in Google Sheets or a CRM, but instead lives in structured storage — databases or cloud-based backend platforms?

That’s where n8n truly shines — as a bridge between data and action.