We do support SSL Authentication and RChilli API can be configured on https. By default, you can use the following URL for calling RChilli API:
The rest of the required parameter values will be shared by the Sales or Support team. If you still haven't got any details for your RChilli API account, please contact RChilli Support via creating a ticket at RChilli HelpDesk or by sending an email at firstname.lastname@example.org. RChilli Team will provide you with the appropriate information.