Supabase API
Open-source Firebase alternative with PostgreSQL database, authentication, storage, real-time subscriptions, and edge functions. Build backend services without managing infrastructure.
Verified
2026-02-04
At a glance
Essential information
About
Supabase API provides a complete backend-as-a-service platform powered by PostgreSQL. Build full-stack applications with authentication, real-time subscriptions, file storage, edge functions, and a REST API auto-generated from your database schema.
What you can build
- Full-stack web applications
- Real-time chat applications
- SaaS platforms
- Mobile app backends
- Social networks
- Content management systems
- E-commerce backends
- Collaborative tools
Pricing
View Pricing| Free tier | Yes |
| Starting from | Free (500MB database) |
| Notes | Free tier 500MB database, 1GB file storage, 2GB bandwidth. Pro $25/project/mo, Team $599/mo, Enterprise custom. |
Last updated: 2026-02-04. Please refer to the official pricing page as pricing may have changed.
Alternatives
Similar APIs you might consider
Authentication & Limits
View Docs- Auth type
- api_key
- Rate limits
- Free tier - reasonable usage. Pro - higher limits. Rate limits on Auth (30 requests/hour for email), Storage, and Realtime connections.
Steps to get API key
- 1Create Supabase account
- 2Create new project
- 3Get project URL and anon key from Settings > API
- 4Use anon key for client-side requests
- 5Generate service_role key for server-side admin access
- 6Use apikey header or Authorization Bearer for requests
FAQ
Yes, generous free tier with 500MB database, 1GB storage, 2GB bandwidth. Unlimited API requests (with reasonable usage).
