What are the call limits for the Fraud Detection service?
The limit for a single user is 200 queries per second (QPS).
What is the typical service latency for Fraud Detection?
The risk control service typically executes in about 100 ms.
Does address validation support multiple languages?
The address validation service currently supports only Chinese.
What is the maximum address length for address validation?
The maximum length is 200 characters.
Why do I receive the following error when I call the Fraud Detection API service?
"Message":"Specified signature is not matched with our calculation." "Code":"SignatureDoesNotMatch" This error occurs because the AccessKey or AccessKey secret is incorrect. An AccessKey and an AccessKey secret are generated as a pair. Ensure that you use your actual AccessKey and AccessKey secret. To view your AccessKey, go to the Alibaba Cloud AccessKey Management platform.
If this error persists even if the AccessKey is correct, check the file encoding. The file must use UTF-8 encoding.
What language versions are required to use the Alibaba Cloud Fraud Detection SDK?
Alibaba Cloud Fraud Detection Java SDK: Requires Java 1.6 or later.
Alibaba Cloud Fraud Detection Python SDK: Requires Python 2.7 or later.
Alibaba Cloud Fraud Detection PHP SDK: Requires PHP 5.3 or later.
What should I do if I get an 'endpoint not found' error in PHP?
An 'endpoint not found' error in PHP indicates an incorrect PHP SDK version. Modify the endpoint.xml file.
To modify the file:
Locate the endpoint.xml file at the following path:
aliyun-php-sdk-core/Regions/endpoint.xml.In the Products section, add the following:
<Endpoint name="cn-shanghai"> <Product><ProductName>saf</ProductName><DomainName>saf.cn-shanghai.aliyuncs.com</DomainName></Product>
PHP version errors
Class 'saf\Request\V20170331\ExecuteRequestRequest'
This error indicates an incorrect PHP SDK version. Manually modify the Config.php file.
The following describes the method:
Locate the Config.php file at the following path:
aliyun-php-sdk-core/Config.php.Add the following content to the Config.php file:
Autoloader::addAutoloadPath("aliyun-php-sdk-saf");
How do I resolve an empty data field in the C# SDK?
The return value for Fraud Detection is in the data field. You can read the value using ExecuteRequest.Data.