tencent cloud

边缘安全加速平台 EO

CreatePrefetchTask

PDF
聚焦模式
字号
最后更新时间: 2026-04-13 14:46:26

1. API Description

Domain name for API request: teo.intl.tencentcloudapi.com.

This API is used to create a pre-warming task.

A maximum of 20 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: CreatePrefetchTask.
Version Yes String Common Params. The value used for this API: 2022-09-01.
Region No String Common Params. This parameter is not required.
ZoneId Yes String Zone ID.

If you wish to quickly submit Targets urls under different sites, you can fill in * as the value. but the premise is that the account calling this API must have the permission to all site resources under the root account.
Targets.N No Array of String List of resources to be preheated. required. each element format is as follows:.
http://www.example.com/example.txt.
Note: the number of submitted tasks is limited by the quota of a billing package. check the EO billing package.
Mode No String Preheat mode. valid values:.
  • Default: default mode, which preheats to the middle layer.
  • .
  • Edge: specifies edge preheating mode, which preheats to both edge and middle layer.
  • if left empty, the default value is default.
    Notes:.
    Preheating to the edge generates edge layer traffic, which is included in billing traffic.
    2. specifies the default allocation of edge preheating as a separate preheating amount of 1000 per day, which does not consume the standard preheating amount.
    Description:.
    This parameter is the allowlist feature. if needed, contact tencent cloud engineers.
    Headers.N No Array of Header Specifies whether to carry HTTP header information for preheating. leave it empty otherwise.
    PrefetchMediaSegments No String Media fragment preheating control. valid values:.
  • On: enables shard preheating, preheats the description file, and performs recursive resolution of the description file shards for preheating.
  • .
  • Off: only preheats the submitted description file.
  • default value: off if left empty.
    Notes:.
    Supported description file is M3U8; corresponding shard is TS.
    Specifies the description file must support normal requests and describe sharding paths as per industry standards.
    Specifies the recursive resolution depth is no more than 3.
    Parsed shards normally accumulate daily pre-warming amount. when usage exceeds the limit, silent processing is triggered and preheating is no longer executed.
    Description:.
    This parameter is the allowlist feature. if needed, contact tencent cloud engineers.

    3. Output Parameters

    Parameter Name Type Description
    JobId String ID of the task.
    FailedList Array of FailReason List of failed tasks.
    Note: This field may return null, indicating that no valid values can be obtained.
    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 Pre-warming a URL

    The example shows you how to submit a pre-warming task.

    Input Example

    POST / HTTP/1.1 
    Host: teo.intl.tencentcloudapi.com 
    Content-Type: application/json 
    X-TC-Action: CreatePrefetchTask 
    <Common request parameters>
    
    {
        "Targets": [
            "http://www.qq.com/a.txt"
        ],
        "ZoneId": "zone-ajj243dwrew",
        "EncodeUrl": true
    }
    

    Output Example

    {
        "Response": {
            "JobId": "20ga521cpwch",
            "FailedList": [],
            "RequestId": "3c140219-cfe9-470e-b241-907877d6fb03"
        }
    }
    

    5. Developer Resources

    SDK

    TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

    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
    InternalError.BackendError Server error.
    InternalError.DomainConfig Failed to get configuration
    InternalError.FailedToGenerateUrl Failed to generate an upload link.
    InternalError.QuotaSystem Server error.
    InvalidParameter.DomainNotFound The domain name does not exist or is not belong to this account.
    InvalidParameter.ParameterError Parameter error: Invalid “End time”. The interval between the start and end time cannot exceed 7 days.
    InvalidParameter.Target Resource error
    InvalidParameter.TaskNotGenerated Failed to create the task
    InvalidParameter.UploadUrl Invalid file upload link.
    LimitExceeded.BatchQuota Reached the upper limit of resource number
    LimitExceeded.DailyQuota Reached the daily upper limit of resource number
    UnauthorizedOperation.CamUnauthorized CAM is not authorized.
    UnauthorizedOperation.NoPermission The sub-account is not authorized for the operation. Please get permissions first.
    UnauthorizedOperation.Unknown An unknown error occurred in the backend server.

    帮助和支持

    本页内容是否解决了您的问题?

    填写满意度调查问卷,共创更好文档体验。

    文档反馈