The DirectMail API service access address：
- China East 1 region is
- Singapore region is
Request communication over HTTP or HTTPS is supported. HTTPS channel is recommended because it provides higher security.
The system supports HTTP GET requests. In this method, you should include the request parameters in the request URL. The system supports HTTP POST requests. In this method, you should include the request parameters in the request BODY.
For each request, the desired operation, namely the
Action parameter (for example, SingleSendMail), must be specified. Each operation must contain the public request parameters and the specific request parameters of the specified operation.
Requests and returned results are both encoded using the
UTF-8 character set.