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Data REST API | Supabase Docs

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2026-08-27
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cat supabase.com/docs/guides/api.md
Supabase auto-generates an API directly from your database schema allowing you to connect to your database through a restful interface, directly from the browser. The API is auto-generated from your database and is designed to get you building as fast as possible, without writing a single line of code. You can use them directly from the browser (two-tier architecture), or as a complement to your own API server (three-tier architecture). Supabase provides a RESTful API using [PostgREST](https://postgrest.org/), a thin API layer on top of Postgres. It exposes everything you need from a CRUD API at the URL `https://<project_ref>.supabase.co/rest/v1/`. The REST interface is automatically reflected from your database's schema and is: -   **Instant and auto-generated:** As you update your database the changes are immediately accessible through your API.-   **Self documenting:** Supabase generates documentation in the Dashboard which updates as you make database changes.-   **Secure:** The API is configured to work with Postgres's Row Level Security, provisioned behind an API gateway with key-auth enabled.-   **Fast:** Our benchmarks for basic reads are more than 300% faster than Firebase. The API is a very thin layer on top of Postgres, which does most of the heavy lifting.-   **Scalable:** The API can serve thousands of simultaneous requests, and works well for Serverless workloads. The reflected API is designed to retain as much of Postgres' capability as possible including: -   Basic CRUD operations (Create/Read/Update/Delete)-   Arbitrarily deep relationships among tables/views, functions that return table types can also nest related tables/views.-   Works with Postgres Views, Materialized Views and Foreign Tables-   Works with Postgres Functions-   User defined computed columns and computed relationships-   The Postgres security model - including Row Level Security, Roles, and Grants. The REST API resolves all requests to a single SQL statement leading to fast response times and high throughput.