Retrieves object metadata. When alt=media is included as a query
parameter, retrieves object data.
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The authenticated user must have sufficient permission to use this method.
To download an object encrypted by a customer-supplied encryption key, or to get object metadata with content hashes, use the headers listed on the Encryption page in your request. Getting object metadata without such headers omits the content hashes in the response.
For examples of performing object downloads with different Cloud Storage tools and client libraries, see the Downloading Objects guide.
Request
HTTP request
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:
Parameters
| Parameter name | Value | Description |
|---|---|---|
| Path parameters | ||
bucket |
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:
|
generation |
long |
If present, selects a specific revision of this object (as opposed to the latest version, the default). |
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:
|
Request body
Do not supply a request body with this method.
Response
By 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.
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Use the APIs Explorer below to call this method on live data and see the response.