Upgrades the plan of a simple application server.


  • The plans of simple application servers can only be upgraded. For more information about plans, see Billable items.
  • When you call this operation to upgrade a server, make sure that the balance in your account is sufficient. If the balance in your account is insufficient, the server cannot be upgraded.

QPS limits

The queries per second (QPS) limit for a single user for the API operation is 10 calls per minute. If the number of calls to the API operation per minute exceeds the limit, throttling is triggered. As a result, your business may be affected. We recommend that you take note of the limit when you call this operation. For more information, see QPS limit.

Request parameters

Parameter Type Required Example Description
Action String Yes UpgradeInstance

The operation that you want to perform. Set the value to UpgradeInstance.

InstanceId String Yes ace0706b2ac4454d984295a94213****

The ID of the simple application server.

RegionId String Yes cn-hangzhou

The region ID of the simple application server.

PlanId String Yes swas.s2.c2m2s50b4t08

The ID of the new plan. You can call the ListPlans operation to query plans provided by Simple Application Server.

ClientToken String No 123e4567-e89b-12d3-a456-426655440000

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can only contain ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotence.

Response parameters

Parameter Type Example Description
RequestId String 20758A-585D-4A41-A9B2-28DA8F4F****

The ID of the request.


Sample requests

&Common request parameters

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "RequestId" : "20758A-585D-4A41-A9B2-28DA8F4F****"

Error codes

HTTP status code Error code Error message Description
400 InvalidPlanIdUpgrade.ValueNotSupported The specification of the specified planId is lower than the current server specification. The error message returned because the specifications of the new plan are lower than the specifications of the current plan of the server.
403 PaymentFailed Payment failed. Please check your account balance. The error message returned because the payment failed. Check whether you have a sufficient balance within your account.
403 InvalidInstance.UnPaidOrder The specified Instance has an unpaid order. The error message returned because you have an unpaid order. Settle the payment and try again.
404 InvalidPlanId.NotFound The specified PlanId does not exist. The error message returned because the specified PlanId parameter is invalid.
404 InvalidInstanceId.NotFound The specified InstanceId does not exist. The error message returned because the specified InstanceId parameter is invalid.
500 InternalError An error occurred while processing your request. The error message returned because an internal error has occurred. Try again later. If the problem persists, submit a ticket.
500 NotEnoughUpgradeStock The upgrade stock is insufficient. The error message returned because the inventory is insufficient when you attempt to upgrade the plan of the server.

For a list of error codes, visit the API Error Center.