tencent cloud



Last updated: 2022-08-12 14:33:36

1. API Description

Domain name for API request: faceid.tencentcloudapi.com.

This API is used to generate an appropriate light sequence based on the information collected by the liveness comparison (reflection-based) SDK and pass the light sequence into the SDK to start the identity verification process.
The data generated with the SDK must be stored in COS, and the region of the COS bucket must be same as that of requests made with this API. We recommend that you pass resources with upload link APIs.

A maximum of 5 requests can be initiated per second for this API.

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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: GenerateReflectSequence.
Version Yes String Common Params. The value used for this API: 2018-03-01.
Region Yes String Common Params. For more information, please see the list of regions supported by the product. This API only supports: ap-bangkok, ap-hongkong, ap-singapore, ap-tokyo, eu-moscow
DeviceDataUrl Yes String The resource URL of the data package generated by the SDK.
DeviceDataMd5 Yes String The MD5 hash value of the data package generated by the SDK.
SecurityLevel No String 1 - silent
2 - blinking
3 - light
4 - blinking + light (default)

3. Output Parameters

Parameter Name Type Description
ReflectSequenceUrl String The resource URL of the light sequence, which needs to be downloaded and passed through to the SDK to start the identity verification process.
ReflectSequenceMd5 String The MD5 hash value of the light sequence, which is used to check whether the light sequence is altered.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Obtaining a light sequence

Input Example

Host: faceid.tencentcloudapi.com
Content-Type: application/json
X-TC-Action: GenerateReflectSequence
<Common request parameters>

    "DeviceDataUrl": "https://faceid-resource-sg-1254418846.cos.ap-singapore.myqcloud.com/faceid%2FApplyWebVerificationToken%2F1300268875%2F20b11b59-572d-406d-8d94-e6e05782134c",
    "DeviceDataMd5": "d41d8cd98f00b204e9800998ecf8427e"

Output Example

  "Response": {
    "ReflectSequenceUrl": "https://faceid-resource-sg-1254418846.cos.ap-singapore.myqcloud.com",
    "ReflectSequenceMd5": "d41d8cd98f00b204e9800998ecf8427e",
    "RequestId": "32-323233-323"

5. Developer Resources


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
FailedOperation.DownLoadError File download failed.
FailedOperation.DownLoadTimeoutError File download timed out.
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