All Products
Search
Document Center

ApsaraVideo Live:UpdateRtcMPUEventSub

Last Updated:May 13, 2025

Updates a subscription to mixed-stream relay events.

Operation description

  • You can call this operation to update a subscription to mixed-stream relay events. You can modify parameters such as the callback URL and channel IDs.
  • Before you call this operation, make sure that you have called the CreateRtcMPUEventSub operation to create the subscription.

QPS limit

You can call this operation up to 50 times per second per account. Requests that exceed this limit are dropped and you will experience service interruptions. We recommend that you take note of this limit when you call this operation.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
live:UpdateRtcMPUEventSubupdate
*All Resources
*
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
AppIdstringYes

The ID of the application.

Note The ID can be up to 64 characters in length and can contain letters, digits, underscores (_), and hyphens (-).
yourAppId
ChannelIdsstringNo

The ID of the channel to which you want to send mixed-stream relay event callbacks. Separate multiple channel IDs with commas (,).

Note
  • If you leave this parameter empty, you are subscribed to all mixed-stream relay events submitted in the application.

  • You cannot specify duplicate channel IDs. You can specify up to 20 channel IDs in each call.

  • The ID can be up to 64 characters in length and contain letters, digits, underscores (_), and hyphens (-).

yourChannelIds
CallbackUrlstringNo

The callback URL.

Note You can use headers such as HTTP and HTTPS in callback URLs. The URL can be up to 2,083 characters and contain letters, digits, and the following special characters: - _ ? % = # . / +
http://****.com/callback

Response parameters

ParameterTypeDescriptionExample
object
RequestIdstring

The ID of the request.

******3B-0E1A-586A-AC29-742247******

Examples

Sample success responses

JSONformat

{
  "RequestId": "******3B-0E1A-586A-AC29-742247******"
}

Error codes

HTTP status codeError codeError message
400InvalidParam%s
400InvalidAppId%s
403OperationDeniedYour account has not enabled the Live service
403Forbidden%s
404MissingParam%s
500InternalErrorInternalError

For a list of error codes, visit the Service error codes.

Change history

Change timeSummary of changesOperation
2024-07-04The Error code has changedView Change Details