# HTTP in Featurer Featurer starts 2 HTTP servers: - API server. - CMS server. **As for now only API server will be used.** ## Configuring HTTP servers Configuration for HTTP servers should be specified in environment variables. All HTTP servers uses same variables, replace `%s` with server name (`API` or `CMS`). | Key | Format | Description | | --- | --- | --- | | FEATURER_%s_SERVER_ADDRESS | `ip:port` | IP and port to listen on for requests. |