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Retrieves object metadata. When alt=media is included as a query parameter, retrieves object data.
This method supports the use of the Range header, which can be used to retrieve only part of the object data.
For examples of performing object downloads with different Cloud Storage tools and client libraries, see the Downloading Objects guide.
Required permissionsThe authenticated user must have the storage.objects.get IAM permission to use this method. To return object ACLs, the authenticated user must also have the storage.objects.getIamPolicy permission.
GET https://storage.googleapis.com/storage/v1/b/bucket/o/object
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 Path parametersbucket string Name of the bucket in which the object resides. object string Name of the object. For information about how to URL encode object names to be path safe, see Encoding URI path parts. Optional query parameters alt string Type of data to return. Defaults to json.
Acceptable values are:
json: Return object metadata.media: Return object data. Not supported for soft-deleted objects.generation long If present, selects a specific revision of this object (as opposed to the latest version, the default). If softDeleted is true, this parameter is required. ifGenerationMatch long Makes the operation conditional on whether the object's current generation matches the given value. Setting to 0 makes the operation succeed only if there are no live versions of the object. ifGenerationNotMatch long Makes the operation conditional on whether the object's current generation does not match the given value. If no live object exists, the precondition fails. Setting to 0 makes the operation succeed only if there is a live version of the object. ifMetagenerationMatch long Makes the operation conditional on whether the object's current metageneration matches the given value. ifMetagenerationNotMatch long Makes the operation conditional on whether the object's current metageneration does not match the given value. projection string Set of properties to return. Defaults to noAcl.
Acceptable values are:
full: Include all properties.noAcl: Omit the owner, acl property.restoreToken string Applicable in buckets with hierarchical namespace enabled. The restoreToken is a universally unique identifier (UUID) associated with each soft-deleted object.
When getting the metadata for a soft-deleted object, the restoreToken is only required when the name and generation values of the object do not uniquely identify it. Otherwise, including a restoreToken in the request is optional.
softDeleted boolean If true, returns the metadata of the soft-deleted object. If true, generation must also be specified, and alt=media cannot be specified. X-Goog-Encryption-Algorithm string The encryption algorithm to use, which must be AES256. Use this header if the object is encrypted with a customer-supplied encryption key and you want the object's data or content hashes returned in the response. X-Goog-Encryption-Key string An RFC 4648 Base64-encoded string of your AES-256 encryption key. Use this header if the object is encrypted with a customer-supplied encryption key and you want the object's data or content hashes returned in the response. X-Goog-Encryption-Key-Sha256 string An RFC 4648 Base64-encoded string of the SHA256 hash of your encryption key. Use this header if the object is encrypted with a customer-supplied encryption key and you want the object's data or content hashes returned in the response. Request body
Do not supply a request body with this method.
ResponseBy default, this responds with an object resource in the response body. If you provide the URL parameter alt=media, then it will respond with the object data 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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