The documentation portal is undergoing maintenance. During this period, you can't create any new user credentials. If you do, you'll need to recreate the user credential after the maintenance period ends.
The HTTP source service type receives data from an HTTP client that sends data through HTTP POST requests. To create an HTTP source service, use the HTTP source service type.
The HTTP source service type does not support HTTP GET requests.
When you configure the source service properties, you can configure either a secure or a nonsecure connection type. If you configure a secure connection, you must specify the location and password to the keystore file.