Query the custom data of the instance
Updated at：2025-10-20
Retrieve instance user data information
Request structure
Plain Text
1POST /v{version}/instance/attribute/getUserdata
2Host: bcc.bj.baidubce.com
3Authorization: authorization string
4{
5 "instanceId":instanceId
6}Request headers
There are no special headers required beyond the common headers.
Request parameters
| Parameter name | Types | Whether required | Parameter location | Description |
|---|---|---|---|---|
| version | String | Yes | URL parameter | API version number |
| instanceId | String | Yes | URL parameter | Instance ID to be started |
Response parameters
| Parameter name | Types | Description |
|---|---|---|
| userData | String | The latest custom script content (encoded in base64) |
| instanceId | String | Instance short ID |
Request example
Plain Text
1POST /v2/instance/attribute/getUserdata HTTP/1.1
2Host: bcc.bj.baidubce.com
3ContentType: application/json
4Authorization: bce-auth-v1/f81d3b34e48048fbb2634dc7882d7e21/2015-08-11T04:17:29Z/3600/host/74c506f68c65e26c633bfa104c863fffac5190fdec1ec24b7c03eb5d67d2e1de
5{
6 "instanceId": "i-t5pmtNZI"
7}Response example
Plain Text
1HTTP/1.1 200 OK
2x-bce-request-id: 1214cca7-4ad5-451d-9215-71cb844c0a50
3Date: Wed, 03 Dec 2014 06:42:19 GMT
4Content-Type: application/json;charset=UTF-8
5Server: BWS
6{
7 "userData": "aGVsbG8gd29ybGQ=",
8 "instanceId": "i-t5pmtNZI"
9}