To configure EventPro API for HTTP instead of HTTPS, you need to modify the web.config so that the endpoint tag under the system.serviceModel/services/service does not use the "HttpsBinding" bindingConfiguration.
Example HTTPS Endpoint
<endpoint address="../DataService.svc" behaviorConfiguration="webBehaviour" binding="webHttpBinding" bindingConfiguration="HttpsBinding" contract="EventPro.Api.IDataService" />
Example HTTP Endpoint
<endpoint address="../DataService.svc" behaviorConfiguration="webBehaviour" binding="webHttpBinding" contract="EventPro.Api.IDataService" />