Creating an API

Procedure:

Click Create API > Create API and configure the frontend.

**Table 1** Frontend definition
Parameter	Description
Name	API name. It is recommended that you enter a name based on naming rules to facilitate search.
API Group	By default, the group created in Creating an API Group is selected.
URL	Method: Request method of the API. Set this parameter to POST. Protocol: Set this parameter to HTTPS. Subdomain name: The subdomain automatically allocated to the API group created in Creating an API Group. Path: Path for requesting the API.
Gateway Response	Select a response to be displayed if API Gateway fails to process an API request. The default gateway response is default.
Matching	By default, Exact match is selected.
Tags	Classification attribute used to quickly identify the API from other APIs.
Description	Description of the API.

Configure security settings based on the following table.

**Table 2** API request definition
Parameter	Description
Authentication Mode	API authentication mode. Set this parameter to App.
Simple Authentication	If you enable this option, API Gateway verifies only the AppCode and the request signature does not need to be verified. For this example, enable simple authentication.

Select a backend service type. For this example, select HTTP&HTTPS.

**Table 3** HTTP&HTTPS backend service definition
Parameter	Description
Load Balance Channel	Determine whether the backend service will be accessed using a load balance channel. For this example, select Skip.
URL	Method: Request method of the API. Set this parameter to POST. Protocol: Set this parameter to HTTP. Backend Address: Address of the backend service. Path: Path of the backend service.
Timeout	Backend service request timeout. Default value: 5000 ms.

On the Define Response page, set the responses.

**Table 4** Defining responses
Parameter	Description
Example Success Response	An example of a response returned when the API is called successfully.
Example Failure Response	An example of a response returned when the API fails to be called.