Send a Request to Cloud One Business Communication Suite API with Postman
This topic introduces how to send a request to Cloud One Business Communication Suite API using Postman.
Prerequisites
- You have downloaded and installed Postman desktop app.
- You have enabled Cloud One Business Communication Suite API.
Procedure
- Sign in to Postman.
At the top-left corner of the workbench, click
to open a new request tab.
- Compose and send an API request.
Illustration Instruction Figure: Example 1 – POST request: Get an Access Token 
This example demonstrates how to send a POST request to obtain an access token, which is mandatory for the subsequent API requests. In the request method drop-down list, select POST.
In the request field, enter the request URL of the API interface.
In this example, enter the request URL of Get Access Token.
- Click Body > raw, and enter the request parameters of the API interface.
Click Send.
The response is displayed at the bottom of the workbench. In this example, an access token and a refresh token are returned.

Figure: Example 2 – GET request: Query Extension List 
This example demonstrates how to send a GET request to obtain the extension list information. - In the request method drop-down list, select GET.
In the request field, enter the request URL of the API interface.
In this example, enter the request URL of Query Extension List.
- In the Params tab, enter the request parameters of the API interface.
Click Send.
The response is displayed at the bottom of the workbench. In this example, the extension list is returned.

What to do next
Save the API requests to a collection, so as to better organize and manage the API requests.
