Start an instance
Updated at：2025-10-20
This API is used for batch-starting instances.
- The instance must be in the Stopped state for this API call to succeed; otherwise, a 409 error will occur.
- Upon a successful API call, instances transition to the Starting state.
Request structure
Plain Text
1PUT /v{version}/instance/batchAction?{action} HTTP/1.1
2Host: bcc.bj.baidubce.com
3Authorization: authorization string
4{
5 "instanceIds":["instanceId1", "instanceId2"]
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 |
| action | String | Yes | Query | Action executed on the instance. In this API, the value of this parameter is start |
| instanceIds | List | Yes | RequestBody | Collection of instance IDs, with no more than 100 elements in the collection |
Response headers
No special headers are required beyond the standard ones.
Response parameters
No special response parameters are available.
Error codes
| Error code | Error description | HTTP status code | Chinese explanation |
|---|---|---|---|
| Instance.StartInstanceOperationForbidden | Instance not stopped when starting. | 409 | Only instances in the Stopped status can be started |
| Instance.StartInstanceWhenCreating | Instance creating when starting. | 409 | Instances in the process of creation cannot be started |
| Instance.StartExpiredInstance | Instance expired when starting. | 409 | Expired instances cannot be started |
Request example
Plain Text
1PUT /v2/instance/batchAction?start 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 "instanceIds": ["instanceId1"]
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