Object-level operations - Object Storage Service - Alibaba Cloud Documentation Center

This topic describes the API operations pertaining to object-level management.

API operations

Below is a list of APIs related to object-level operations.

Classification	API	Description
Upload objects	PutObject	Uploads a single object directly. The size of the uploaded object cannot exceed 5 GB.
	AppendObject	Uploads an object by appending data. The size of the appended object cannot exceed 5 GB.
	PostObject	Uploads an object by using an HTML form. The size of the uploaded object cannot exceed 5 GB.
	Callback	Add the related callback parameters to the upload request to configure callbacks. Only the PutObject, PostObject, and CompleteMultipartUpload operations support callbacks.
Query objects	GetObject	Queries an object.
	HeadObject	Queries the metadata of an object. This operation does not return the content of the object.
	GetObjectMeta	Queries the metadata of an object, including the ETag, size, and last modified timestamp of the object. The content of the object is not returned.
Delete objects	DeleteObject	Deletes an object.
Delete objects	DeleteMultipleObjects	Deletes multiple objects.
Copy objects	CopyObject	Copies objects between buckets in the same region.
Restore objects	RestoreObject	Restores Archive, Cold Archive, and Deep Cold Archive objects.
SQL query	SelectObject	Executes SQL statements to perform operations on an object and obtains the execution results.
Directory management	CreateDirectory	Creates a directory.
	Rename	Renames a directory or an object.
	DeleteDirectory	Deletes a directory.
Multipart upload	InitiateMultipartUpload	Initiates a multipart upload task.
	UploadPart	Uploads an object by part based on the specified object name and the upload ID.
	UploadPartCopy	Uploads a part by copying data from an existing object.
	CompleteMultipartUpload	After all parts are uploaded, you must call the CompleteMultipartUpload operation to complete the multipart upload of the entire object.
	AbortMultipartUpload	Cancels a multipart upload task and deletes uploaded parts.
	ListMultipartUploads	Queries all ongoing multipart upload tasks.
	ListParts	Lists all parts that are uploaded by using a specific upload ID.
Access control	PutObjectACL	Modifies the ACL of an object.
Access control	GetObjectACL	Queries the ACL of an object in a bucket.
Symbolic link	PutSymlink	Creates a symbolic link for an object.
Symbolic link	GetSymlink	Queries a symbolic link.
Tag	PutObjectTagging	Adds tags to or modifies the tags of an object.
	GetObjectTagging	Queries the tags of an object.
	DeleteObjectTagging	Deletes the tags of an object.