- Release Notes
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Practical Tutorial
- SDK Documentation
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- User APIs
- Application Management APIs
- CreateApplication
- CreateApplicationSnapshot
- CreateApplicationVersion
- DeleteApplication
- DeleteApplicationVersion
- DescribeApplicationList
- DescribeApplicationPathList
- DescribeApplicationStatus
- DescribeApplicationVersion
- DescribeCosCredential
- ModifyApplicationBaseInfo
- ModifyApplicationVersion
- SetApplicationVersionOnline
- DescribeApplicationFileInfo
- ModifyMobileApplicationInfo
- Project Management APIs
- Concurrency Management APIs
- Stream Push Service APIs
- Data Types
- Error Codes
- FAQs
- Service Level Agreement
- CAR Policy
- Contact Us
- Release Notes
- Product Introduction
- Purchase Guide
- Getting Started
- Console Guide
- Practical Tutorial
- SDK Documentation
- API Documentation
- History
- Introduction
- API Category
- Making API Requests
- User APIs
- Application Management APIs
- CreateApplication
- CreateApplicationSnapshot
- CreateApplicationVersion
- DeleteApplication
- DeleteApplicationVersion
- DescribeApplicationList
- DescribeApplicationPathList
- DescribeApplicationStatus
- DescribeApplicationVersion
- DescribeCosCredential
- ModifyApplicationBaseInfo
- ModifyApplicationVersion
- SetApplicationVersionOnline
- DescribeApplicationFileInfo
- ModifyMobileApplicationInfo
- Project Management APIs
- Concurrency Management APIs
- Stream Push Service APIs
- Data Types
- Error Codes
- FAQs
- Service Level Agreement
- CAR Policy
- Contact Us
1. API Description
Domain name for API request: car.tencentcloudapi.com.
This API is used to request concurrency quota. The timeout period of the API is 20 seconds.
A maximum of 100 requests can be initiated per second for this API.
We recommend you to use API Explorer
Try it
API Explorer provides a range of capabilities, including online call, signature authentication, SDK code generation, and API quick search. It enables you to view the request, response, and auto-generated examples.
2. Input Parameters
The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.
| Parameter Name | Required | Type | Description |
|---|---|---|---|
| Action | Yes | String | Common Params. The value used for this API: ApplyConcurrent. |
| Version | Yes | String | Common Params. The value used for this API: 2022-01-10. |
| Region | No | String | Common Params. This parameter is not required for this API. |
| UserId | Yes | String | Unique user ID, which is customized by you and is not parsed by CAR. Based on your needs, you can either define unique IDs for users or use timestamps to generate random IDs. Make sure the same ID is used when a user reconnects to your application. |
| UserIp | Yes | String | Public IP address of the user's client, which is used for nearby scheduling. |
| ProjectId | Yes | String | Project ID. |
| ApplicationVersionId | No | String | Application version ID. If the application of the current version is requested, you do not need to fill in this field. If the application of the other versions is requested, you need to specify the version through this field. |
| ApplicationId | No | String | Application ID, which is used only by the multi-application project to specify applications. For a single-application project, this parameter is ignored, and the application bound to the project will be used. |
3. Output Parameters
| Parameter Name | Type | Description |
|---|---|---|
| RequestId | String | The unique request ID, generated by the server, will be returned for every request (if the request fails to reach the server for other reasons, the request will not obtain a RequestId). RequestId is required for locating a problem. |
4. Example
Example1 Requesting Concurrency Quota
Input Example
POST / HTTP/1.1
Host: car.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: ApplyConcurrent
<Common request parameters>
{
"UserIp": "125.127.178.228",
"ProjectId": "cap-abcdefgh",
"UserId": "cg_user",
"ApplicationVersionId": "ver-1a2b3c4d"
}
Output Example
{
"Response": {
"RequestId": "fcf4146f-64d3-496c-88dc-d12f832de313"
}
}
5. Developer Resources
SDK
TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.
- Tencent Cloud SDK 3.0 for Python
- Tencent Cloud SDK 3.0 for Java
- Tencent Cloud SDK 3.0 for PHP
- Tencent Cloud SDK 3.0 for Go
- Tencent Cloud SDK 3.0 for Node.js
- Tencent Cloud SDK 3.0 for .NET
- Tencent Cloud SDK 3.0 for C++
Command Line Interface
6. Error Code
The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.
| Error Code | Description |
|---|---|
| FailedOperation | Operation failed. |
| FailedOperation.ProcessTimeout | Processing timed out. |
| InternalError | Internal error. |
| InvalidParameter.JsonParseError | JSON parsing error. |
| InvalidParameterValue | Invalid parameter value. |
| ResourceNotFound.NoIdle | No available concurrency quota. |
| ResourceUnavailable.Initialization | It is being initialized. |
| UnsupportedOperation.Stopping | The session is being terminated. |
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