33Across: Updated exchange endpoint (prebid#1738)

config/config.go

@@ -797,7 +797,7 @@ func SetupViper(v *viper.Viper, filename string) {
 	// Disabling adapters by default that require some specific config params.
 	// If you're using one of these, make sure you check out the documentation (https://github.com/prebid/prebid-server/tree/master/docs/bidders)
 	// for them and specify all the parameters they need for them to work correctly.
-	v.SetDefault("adapters.33across.endpoint", "http://ssc.33across.com/api/v1/hb")
+	v.SetDefault("adapters.33across.endpoint", "https://ssc.33across.com/api/v1/s2s")
 	v.SetDefault("adapters.33across.partner_id", "")
 	v.SetDefault("adapters.acuityads.endpoint", "http://{{.Host}}.admanmedia.com/bid?token={{.AccountID}}")
 	v.SetDefault("adapters.adform.endpoint", "https://adx.adform.net/adx")