openapi: 3.1.0
info:
  title: Google Cloud Storage JSON API
  description: >-
    The Google Cloud Storage JSON API allows applications to store and retrieve
    data on Google's infrastructure. It provides RESTful access to Cloud Storage
    buckets and objects, supporting upload, download, metadata management, and
    access control operations.
  version: v1
  contact:
    name: Google Cloud
    url: https://cloud.google.com/storage/docs/json_api
  license:
    name: Apache 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
servers:
  - url: https://storage.googleapis.com/storage/v1
    description: Google Cloud Storage JSON API v1
tags:
  - name: Buckets
    description: Operations on Cloud Storage buckets
  - name: Objects
    description: Operations on Cloud Storage objects
paths:
  /b:
    get:
      tags:
        - Buckets
      summary: Google Cloud Storage List buckets
      description: Retrieves a list of buckets for a given project.
      operationId: listBuckets
      parameters:
        - name: project
          in: query
          required: true
          description: A valid API project identifier.
          schema:
            type: string
        - name: maxResults
          in: query
          description: Maximum number of buckets to return.
          schema:
            type: integer
        - name: pageToken
          in: query
          description: A previously-returned page token for pagination.
          schema:
            type: string
        - name: prefix
          in: query
          description: Filter results to buckets whose names begin with this prefix.
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BucketList'
        '401':
          description: Unauthorized
        '403':
          description: Forbidden
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_only
    post:
      tags:
        - Buckets
      summary: Google Cloud Storage Create a bucket
      description: Creates a new bucket in the specified project.
      operationId: insertBucket
      parameters:
        - name: project
          in: query
          required: true
          description: A valid API project identifier.
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Bucket'
      responses:
        '200':
          description: Bucket created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bucket'
        '400':
          description: Bad request
        '409':
          description: Conflict - bucket already exists
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_write
  /b/{bucket}:
    get:
      tags:
        - Buckets
      summary: Google Cloud Storage Get a bucket
      description: Returns metadata for the specified bucket.
      operationId: getBucket
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bucket'
        '404':
          description: Not found
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_only
    put:
      tags:
        - Buckets
      summary: Google Cloud Storage Update a bucket
      description: Updates a bucket. Changes to the bucket will be readable immediately after writing, but configuration changes may take time to propagate.
      operationId: updateBucket
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Bucket'
      responses:
        '200':
          description: Bucket updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Bucket'
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.full_control
    delete:
      tags:
        - Buckets
      summary: Google Cloud Storage Delete a bucket
      description: Permanently deletes an empty bucket.
      operationId: deleteBucket
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
      responses:
        '204':
          description: Bucket deleted successfully
        '404':
          description: Not found
        '409':
          description: Conflict - bucket is not empty
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.full_control
  /b/{bucket}/o:
    get:
      tags:
        - Objects
      summary: Google Cloud Storage List objects
      description: Retrieves a list of objects matching the criteria in the specified bucket.
      operationId: listObjects
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
        - name: prefix
          in: query
          description: Filter results to objects whose names begin with this prefix.
          schema:
            type: string
        - name: delimiter
          in: query
          description: Returns results in a directory-like mode.
          schema:
            type: string
        - name: maxResults
          in: query
          description: Maximum number of objects to return.
          schema:
            type: integer
        - name: pageToken
          in: query
          description: A previously-returned page token for pagination.
          schema:
            type: string
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ObjectList'
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_only
    post:
      tags:
        - Objects
      summary: Google Cloud Storage Insert an object
      description: Stores a new object and metadata. For tips on uploading to Cloud Storage, see best practices.
      operationId: insertObject
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
        - name: name
          in: query
          description: Name of the object.
          schema:
            type: string
      requestBody:
        content:
          application/octet-stream:
            schema:
              type: string
              format: binary
      responses:
        '200':
          description: Object created successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_write
  /b/{bucket}/o/{object}:
    get:
      tags:
        - Objects
      summary: Google Cloud Storage Get an object
      description: Retrieves an object or its metadata.
      operationId: getObject
      parameters:
        - name: bucket
          in: path
          required: true
          description: Name of the bucket.
          schema:
            type: string
        - name: object
          in: path
          required: true
          description: Name of the object.
          schema:
            type: string
        - name: alt
          in: query
          description: Set to media to download object data. Default is json for metadata.
          schema:
            type: string
            enum:
              - json
              - media
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
        '404':
          description: Not found
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.read_only
    put:
      tags:
        - Objects
      summary: Google Cloud Storage Update an object
      description: Updates an object's metadata.
      operationId: updateObject
      parameters:
        - name: bucket
          in: path
          required: true
          schema:
            type: string
        - name: object
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Object'
      responses:
        '200':
          description: Object updated successfully
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Object'
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.full_control
    delete:
      tags:
        - Objects
      summary: Google Cloud Storage Delete an object
      description: Deletes an object and its metadata. Deletions are permanent if versioning is not enabled.
      operationId: deleteObject
      parameters:
        - name: bucket
          in: path
          required: true
          schema:
            type: string
        - name: object
          in: path
          required: true
          schema:
            type: string
      responses:
        '204':
          description: Object deleted successfully
        '404':
          description: Not found
      security:
        - oauth2:
            - https://www.googleapis.com/auth/cloud-platform
            - https://www.googleapis.com/auth/devstorage.full_control
components:
  securitySchemes:
    oauth2:
      type: oauth2
      flows:
        authorizationCode:
          authorizationUrl: https://accounts.google.com/o/oauth2/auth
          tokenUrl: https://oauth2.googleapis.com/token
          scopes:
            https://www.googleapis.com/auth/cloud-platform: Full access to Cloud Platform
            https://www.googleapis.com/auth/devstorage.full_control: Full control of Cloud Storage
            https://www.googleapis.com/auth/devstorage.read_only: Read-only access to Cloud Storage
            https://www.googleapis.com/auth/devstorage.read_write: Read-write access to Cloud Storage
  schemas:
    Bucket:
      type: object
      properties:
        kind:
          type: string
          default: storage#bucket
          description: The kind of item this is. Always storage#bucket.
        id:
          type: string
          description: The ID of the bucket.
        selfLink:
          type: string
          description: The URI of this bucket.
        name:
          type: string
          description: The name of the bucket.
        projectNumber:
          type: string
          description: The project number of the project the bucket belongs to.
        timeCreated:
          type: string
          format: date-time
          description: The creation time of the bucket.
        updated:
          type: string
          format: date-time
          description: The modification time of the bucket.
        location:
          type: string
          description: The location of the bucket.
        locationType:
          type: string
          description: The type of location (region, dual-region, multi-region).
        storageClass:
          type: string
          description: The default storage class of the bucket.
          enum:
            - STANDARD
            - NEARLINE
            - COLDLINE
            - ARCHIVE
        versioning:
          type: object
          properties:
            enabled:
              type: boolean
          description: The bucket's versioning configuration.
        labels:
          type: object
          additionalProperties:
            type: string
          description: User-provided labels.
        lifecycle:
          type: object
          properties:
            rule:
              type: array
              items:
                type: object
                properties:
                  action:
                    type: object
                    properties:
                      type:
                        type: string
                      storageClass:
                        type: string
                  condition:
                    type: object
                    properties:
                      age:
                        type: integer
                      isLive:
                        type: boolean
                      numNewerVersions:
                        type: integer
          description: The bucket's lifecycle configuration.
        encryption:
          type: object
          properties:
            defaultKmsKeyName:
              type: string
          description: Encryption configuration for a bucket.
        iamConfiguration:
          type: object
          properties:
            uniformBucketLevelAccess:
              type: object
              properties:
                enabled:
                  type: boolean
                lockedTime:
                  type: string
                  format: date-time
    BucketList:
      type: object
      properties:
        kind:
          type: string
          default: storage#buckets
        items:
          type: array
          items:
            $ref: '#/components/schemas/Bucket'
        nextPageToken:
          type: string
    Object:
      type: object
      properties:
        kind:
          type: string
          default: storage#object
        id:
          type: string
        selfLink:
          type: string
        name:
          type: string
          description: The name of the object.
        bucket:
          type: string
          description: The name of the bucket containing the object.
        generation:
          type: string
        metageneration:
          type: string
        contentType:
          type: string
          description: Content-Type of the object data.
        timeCreated:
          type: string
          format: date-time
        updated:
          type: string
          format: date-time
        size:
          type: string
          description: Content-Length of the data in bytes.
        md5Hash:
          type: string
        crc32c:
          type: string
        etag:
          type: string
        storageClass:
          type: string
        metadata:
          type: object
          additionalProperties:
            type: string
    ObjectList:
      type: object
      properties:
        kind:
          type: string
          default: storage#objects
        items:
          type: array
          items:
            $ref: '#/components/schemas/Object'
        prefixes:
          type: array
          items:
            type: string
        nextPageToken:
          type: string