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Requires authorization
Creates a new bucket.
You can't create a bucket with a name that is already in use by another live bucket, because Cloud Storage uses a single, global namespace for bucket names. For more information, see the bucket naming guidelines.
Required permissionsTo use this method,the authenticated user must have the storage.buckets.create IAM permission. Additionally, to enable specific bucket features, the authenticated user must have the following permissions:
enableObjectRetention query parameter: storage.buckets.enableObjectRetentionstorage.buckets.setIpFilterPOST https://storage.googleapis.com/storage/v1/b
In addition to standard query parameters, the following query parameters apply to this method.
To see an example of how to include query parameters in a request, see the JSON API Overview page.
Parameters Parameter name Value Description Required query parametersproject string A valid API project identifier. Optional query parameters enableObjectRetention boolean When set to true, permanently enable object retention for this bucket. predefinedAcl string Apply a predefined set of access controls to this bucket.
Acceptable values are:
authenticatedRead: Project team owners get OWNER access, and allAuthenticatedUsers get READER access.private: Project team owners get OWNER access.projectPrivate: Project team members get access according to their roles.publicRead: Project team owners get OWNER access, and allUsers get READER access.publicReadWrite: Project team owners get OWNER access, and allUsers get WRITER access.iamConfiguration.uniformBucketLevelAccess.enabled is set to true, requests that include this parameter fail with a 400 Bad Request response.
predefinedDefaultObjectAcl string Apply a predefined set of default object access controls to this bucket.
Acceptable values are:
authenticatedRead: Object owner gets OWNER access, and allAuthenticatedUsers get READER access.bucketOwnerFullControl: Object owner gets OWNER access, and project team owners get OWNER access.bucketOwnerRead: Object owner gets OWNER access, and project team owners get READER access.private: Object owner gets OWNER access.projectPrivate: Object owner gets OWNER access, and project team members get access according to their roles.publicRead: Object owner gets OWNER access, and allUsers get READER access.iamConfiguration.uniformBucketLevelAccess.enabled is set to true, requests that include this parameter fail with a 400 Bad Request response.
projection string Set of properties to return. Defaults to noAcl, unless the bucket resource specifies acl or defaultObjectAcl properties, when it defaults to full.
Acceptable values are:
full: Include all properties.noAcl: Omit owner, acl, and defaultObjectAcl properties.In the request body, supply a bucket resource with the following properties:
Property name Value Description Notes Required Propertiesname string The name of the bucket. See the bucket naming guidelines for more information. Optional Properties acl[] list Access controls on the bucket, containing one or more bucketAccessControls Resources. If iamConfiguration.uniformBucketLevelAccess.enabled is set to true, this field is omitted in responses, and requests that specify this field fail with a 400 Bad Request response. writable autoclass object The bucket's Autoclass configuration, which, when enabled, controls the storage class of objects based on how and when the objects are accessed. For more information, see Autoclass. writable billing object The bucket's billing configuration, used to control the Requester Pays feature. writable cors[] list The bucket's CORS configuration. For more information, see Cross-Origin Resource Sharing. writable customPlacementConfig object Applicable only if a bucket is located in a configurable dual-region. The bucket's custom location configuration. writable defaultEventBasedHold boolean Whether or not to automatically apply an eventBasedHold to new objects added to the bucket. writable defaultObjectAcl[] list Default access controls to apply to new objects when no ACL is provided. This list defines an entity and role for one or more defaultObjectAccessControls Resources. If iamConfiguration.uniformBucketLevelAccess.enabled is set to true, this field is omitted in responses, and requests that specify this field fail with a 400 Bad Request response. writable encryption object The bucket's encryption configuration. writable hierarchicalNamespace.enabled boolean Whether or not hierarchical namespace is enabled for this bucket. writeable iamConfiguration object The bucket's IAM configuration. writable ipFilter object The bucket IP filtering configuration . For more information about bucket IP filtering, see Bucket IP filtering. writable labels object User-provided bucket labels, in key/value pairs. writable labels.(key) string An individual label entry. writable lifecycle object The bucket's lifecycle configuration. See lifecycle management for more information. writable location string The location of the bucket. Object data for objects in the bucket resides in physical storage within this location. Defaults to "US". See Cloud Storage bucket locations for the authoritative list. writable logging object The bucket's logging configuration. For more information, see usage logs and storage logs. writable retentionPolicy object The bucket's retention policy configuration. For more information, see Bucket Lock. writable rpo string The recovery point objective for cross-region replication of the bucket. Applicable only for dual- and multi-region buckets. "DEFAULT" uses default replication. "ASYNC_TURBO" enables turbo replication, valid for dual-region buckets only. If rpo is not specified when the bucket is created, it defaults to "DEFAULT". For more information, see redundancy across regions. writable softDeletePolicy object The bucket's soft delete policy configuration. For more information, see Soft Delete. writeable storageClass string The bucket's default storage class, used whenever no storageClass is specified for a newly-created object. If storageClass is not specified when the bucket is created, it defaults to "STANDARD". For available storage classes, see Storage classes. writable versioning object The bucket's versioning configuration. For more information, see Object Versioning. writable website object The bucket's website configuration, controlling how the service behaves when accessing bucket contents as a web site. See the Static Website Examples for more information. writable Response
If successful, this method returns a bucket resource in the response body.
For information about status and error codes returned by this API, see the reference page.
Try it!Use the APIs Explorer below to call this method on live data and see the response.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-07 UTC.
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