Upload files to Supabase with content-based routing and

This automation template enables secure file uploads to Supabase Storage without exposing access keys. It acts as a reusable service: receives base64-encoded file data, determines content type, routes it to the appropriate bucket (e.g., image-files), uploads via HTTP API, and returns a time-limited signed URL for secure access.

## Who it´s for
- Developers integrating file storage into apps via n8n
- Automation specialists handling secure file uploads from forms or chatbots
- SaaS founders using Supabase as a backend for media files

## What the automation does
- Accepts incoming requests with base64-encoded file data
- Detects MIME type for accurate content classification
- Routes files to designated buckets (image-files, document-files, etc.)
- Uploads files to Supabase Storage using HTTP API
- Generates a temporary signed URL for secure access
- Returns the URL as output for use in other workflows

## What´s included
- Ready-to-use n8n workflow
- Webhook trigger logic
- Integration with Supabase Storage via HTTP API
- Base64 decoding and MIME type detection
- Basic setup and adaptation guide

## Requirements for setup
- Supabase account with pre-configured buckets (image-files, audio-files, etc.)
- Supabase project URL and Service Role Key
- Access to an n8n instance (cloud or self-hosted)
- Basic understanding of HTTP APIs and webhooks

## Benefits and outcomes
- Centralized, secure file storage without key exposure
- Automatic content-based file sorting
- Reusable as a microservice across multiple workflows
- Supports diverse sources: web forms, bots, other automations
- Simplified integration with frontend and backend systems
- Reduced manual effort in file handling

## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via в чате.