This API is used to verify whether a bucket exists and whether you have permission to access it.
HEAD / HTTP/1.1
Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
Date: GMT Date
Authorization: Auth String
Note:
- In
Host: <bucketname-appid>.cos.<region>.myqcloud.com
,is the bucket name followed by the APPID, such as examplebucket-1250000000
(see Bucket Overview > Basic Information and Bucket Overview > Bucket Naming Conventions), andis a COS region (see Regions and Access Endpoints). - Authorization: Auth String (See Request Signature for details.)
This API has no request parameter.
This API only uses Common Request Headers.
This API does not have a request body.
In addition to common response headers, this API also returns the following response headers. For more information about common response headers, please see Common Response Headers.
Header | Description | Type |
---|---|---|
x-cos-bucket-az-type | AZ type of the bucket. This header is returned only for MAZ buckets. Fixed to MAZ . |
Enum |
x-cos-bucket-region | Bucket region, such as ap-beijing , ap-hongkong , and eu-frankfurt . For the enumerated values, please see Regions and Access Endpoints. |
Enum |
The response body of this API is empty.
This API returns common error responses and error codes. For more information, please see Error Codes.
HEAD / HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Tue, 28 May 2019 03:16:12 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1559013372;1559020572&q-key-time=1559013372;1559020572&q-header-list=date;host&q-url-param-list=&q-signature=9085930afacf1e8a0ade2697b69353b27901****
Connection: close
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 0
Connection: close
Date: Tue, 28 May 2019 03:16:12 GMT
Server: tencent-cos
x-cos-bucket-region: ap-beijing
x-cos-request-id: NWNlY2E3ZmNfZjhjMDBiMDlfMTBjOWRfZDcz****
HEAD / HTTP/1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Thu, 04 Jun 2020 06:43:03 GMT
Authorization: q-sign-algorithm=sha1&q-ak=AKID8A0fBVtYFrNm02oY1g1JQQF0c3JO****&q-sign-time=1591252983;1591260183&q-key-time=1591252983;1591260183&q-header-list=date;host&q-url-param-list=&q-signature=aa996608fe79d122ed9667d9db3caa262ed6****
Connection: close
HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 0
Connection: close
Date: Thu, 04 Jun 2020 06:43:03 GMT
Server: tencent-cos
x-cos-bucket-az-type: MAZ
x-cos-bucket-region: ap-beijing
x-cos-request-id: NWVkODk3ZjdfZjI4NWQ2NF9hODhkXzRhNmQ0****
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