Alibaba Cloud Model Studio:Update model rate limits

Calls the POST /api/v1/models/limits endpoint to update the rate limit quotas (QPM/TPM) of models in a specified workspace. Both merge overlay and delete rate limit operations are supported.

Prerequisites

An API key has been created and configured as the environment variable DASHSCOPE_API_KEY. For more information, see Configure an API key in environment variables.

Request

• HTTP method: POST

• Request URL

  Replace {WorkspaceId} with your workspace ID.

  Region	Endpoint
  China (Beijing)	https://{WorkspaceId}.cn-beijing.maas.aliyuncs.com/api/v1/models/limits

• Authentication

  Set Authorization: Bearer {API_KEY} in the request header.

Request parameters

All parameters are passed through the request body.

Parameter	Type	Required	Description
models	Array[Object]	Yes	List of per-model rate limit items. The number of items must be 1 to 200. Example: [{"model":"qwen-plus","request_limit":60}]
models[].model	String	Yes	The model ID. Cannot be empty. Examples: qwen-plus, qwen3-max.
models[].operation_type	String	No	Operation type. Valid values: OVERLAY: Merge overlay. Only the passed fields are overridden; fields not passed are backfilled with their current values. DELETE: Delete the rate limit. All rate limit value fields must be empty. Default value: OVERLAY.
models[].request_limit	Number	No	Request count limit (QPM), non-negative. Maximum number of requests per minute, in requests/minute. Must be empty when operation_type=DELETE. Default value: null (no change). Example: 60.
models[].request_limit_period	Number	No	Time period for the request rate limit, a positive integer in seconds. For example, 60 = 1 minute. Default value: null (no change).
models[].usage_limit	Number	No	Usage limit (TPM), non-negative. Maximum token usage per minute. Must be empty when operation_type=DELETE. Default value: null (no change). Example: 100000.
models[].usage_limit_period	Number	No	Time period for the usage limit, a positive integer in seconds. For example, 60 = 1 minute. Default value: null (no change).

Response parameters

Parameter	Type	Description
request_id	String	The request ID. Example: d5f5201f-ee7a-9e3d-8569-bc0eedec21f9.
code	String	Error code. null on success.
message	String	Error message. null on success.
success	Boolean	Whether the call succeeded. Example: true.
output	Object	Business data. null for this endpoint.

TPM exemption scenario

To limit only RPM and exempt TPM, first call this endpoint with {"model":"X","operation_type":"DELETE"} to delete all rate limits for the target model. Then pass {"model":"X","operation_type":"OVERLAY","request_limit":60,"request_limit_period":60} to set only the QPM. The two steps are not atomic, so there is a brief window without any limit in between.

Sample requests

Example 1: Set QPM=60 and TPM=100000

curl -X POST "https://dashscope.aliyuncs.com/api/v1/models/limits" \
    --header "Authorization: Bearer ${DASHSCOPE_API_KEY}" \
    --header 'Content-Type: application/json' \
    --data '{
        "models": [
            {
                "model": "qwen-plus",
                "operation_type": "OVERLAY",
                "request_limit": 60,
                "request_limit_period": 60,
                "usage_limit": 100000,
                "usage_limit_period": 60
            }
        ]
    }'

Example 2: Delete rate limits

curl -X POST "https://dashscope.aliyuncs.com/api/v1/models/limits" \
    --header "Authorization: Bearer ${DASHSCOPE_API_KEY}" \
    --header 'Content-Type: application/json' \
    --data '{
        "models": [
            {"model": "qwen-plus", "operation_type": "DELETE"}
        ]
    }'

Sample response

Success example

{
    "code": null,
    "message": null,
    "success": true,
    "output": null,
    "request_id": "d5f5201f-ee7a-9e3d-8569-bc0eedec21f9"
}

Failure example

{
    "code": "InvalidParameter",
    "message": "Cannot set TPM without QPM for model qwen-plus: no existing QPM limit, please set QPM first",
    "success": false,
    "output": null,
    "request_id": "d5f5201f-ee7a-9e3d-8569-bc0eedec21f9"
}

Error codes

If the call fails, an error message is returned. For more information about error codes and solutions, see Error messages.