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Supabase Buckets API

Manage storage buckets that organize files and folders. Buckets can be public or private and have configurable file size limits and allowed MIME types.

Supabase Buckets API is one of 21 APIs that Supabase publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Buckets. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

This API exposes 6 operations across 3 paths, and defines 3 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.

Requests are made against a single base URL, https://{project_ref}.supabase.co/storage/v1.

6 operations 3 paths 3 schemas 1 DELETE2 GET2 POST1 PUT

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
1.0.0
Server
https://{project_ref}.supabase.co/storage/v1
Authentication
API Key, HTTP Bearer
Terms of Service
Resource Areas
1

Authentication & Security 2

Supabase Buckets API declares 2 security schemes for authenticating requests. An API key is passed in the header as apikey (apiKeyAuth). It accepts HTTP bearer tokens (JWT) (bearerAuth). By default, every request must be authenticated.

  • apiKeyAuth — Supabase project API key for request authorization.
  • bearerAuth — JWT access token for authenticated operations.

Paths & Operations 6

Across 3 paths, the API surfaces 6 operations — 1 DELETE, 2 GET, 2 POST, 1 PUT. Each is listed below with its method, path, parameters, and response codes.

Buckets 6

Manage storage buckets that organize files and folders. Buckets can be public or private and have configurable file size limits and allowed MIME types.

GET
/bucket
List all buckets
listBuckets → 200401
POST
/bucket
Create a new bucket
createBucket body → 200400401
GET
/bucket/{bucketId}
Get bucket details
getBucket 1 param → 200401404
PUT
/bucket/{bucketId}
Update a bucket
updateBucket 1 param body → 200401404
DELETE
/bucket/{bucketId}
Delete a bucket
deleteBucket 1 param → 200401404409
POST
/bucket/{bucketId}/empty
Empty a bucket
emptyBucket 1 param → 200401404

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are Bucket (8 properties), CreateBucketRequest (5 properties), UpdateBucketRequest (3 properties). Each schema is shown below with its type and property counts.

CreateBucketRequest
object
5 properties 1 required
Bucket
object
8 properties
UpdateBucketRequest
object
3 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

supabase-buckets-api-openapi.yml Raw ↑

Other APIs Supabase publishes across the network.

Supabase Realtime API
Supabase Admin API
Supabase Authentication API
Supabase Configuration API
Supabase Database API
Supabase Domains API
Supabase Functions API
Supabase Invocation API
Supabase MFA API
Supabase Network API
Supabase OAuth API
Supabase Objects API
Where this information came from

This is an independent, third-party profile of Supabase Buckets API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

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