diff --git a/src/com/uncc/gameday/registration/GamedayService.java b/src/com/uncc/gameday/registration/GamedayService.java
new file mode 100644
index 0000000..f6c6185
--- /dev/null
+++ b/src/com/uncc/gameday/registration/GamedayService.java
@@ -0,0 +1,15 @@
+package com.uncc.gameday.registration;
+
+import java.util.List;
+
+import retrofit.http.*;
+
+public interface GamedayService {
+	
+	@GET("/lots/")
+	List<ParkingLot> listLots();
+	
+	@POST("/rating/")
+	void rateLot(@Body ParkingRating rating, @Body ParkingChoices parking_lot);
+
+}
diff --git a/src/com/uncc/gameday/registration/ParkingChoices.java b/src/com/uncc/gameday/registration/ParkingChoices.java
new file mode 100644
index 0000000..18bc2f3
--- /dev/null
+++ b/src/com/uncc/gameday/registration/ParkingChoices.java
@@ -0,0 +1,19 @@
+package com.uncc.gameday.registration;
+
+public enum ParkingChoices {
+	GREEN ("GREEN"),
+	BLACK ("BLACK"),
+	RED ("RED"),
+	BLUE ("BLUE"),
+	SILVER ("SILVER"),
+	ORANGE ("ORANGE"),
+	YELLOW ("YELLOW"),
+	PURPLE ("PURPLE"),
+	PINK ("PINK"),
+	WHITE ("WHITE"),
+	GOLD ("GOLD");
+	
+	String choice;
+	ParkingChoices(String choice) { this.choice = choice; }
+	public String getValue() { return choice; }
+}
\ No newline at end of file
diff --git a/src/com/uncc/gameday/registration/ParkingLot.java b/src/com/uncc/gameday/registration/ParkingLot.java
new file mode 100644
index 0000000..7352a50
--- /dev/null
+++ b/src/com/uncc/gameday/registration/ParkingLot.java
@@ -0,0 +1,8 @@
+package com.uncc.gameday.registration;
+
+public class ParkingLot {
+	
+	ParkingChoices location;
+	int filled_pct;
+
+}
diff --git a/src/com/uncc/gameday/registration/ParkingRating.java b/src/com/uncc/gameday/registration/ParkingRating.java
new file mode 100644
index 0000000..7a1a445
--- /dev/null
+++ b/src/com/uncc/gameday/registration/ParkingRating.java
@@ -0,0 +1,6 @@
+package com.uncc.gameday.registration;
+
+public class ParkingRating {
+	ParkingChoices parking_lot;
+	RatingChoices rating;
+}
diff --git a/src/com/uncc/gameday/registration/RatingChoices.java b/src/com/uncc/gameday/registration/RatingChoices.java
new file mode 100644
index 0000000..3ebb82e
--- /dev/null
+++ b/src/com/uncc/gameday/registration/RatingChoices.java
@@ -0,0 +1,12 @@
+package com.uncc.gameday.registration;
+
+public enum RatingChoices {
+	EMPTY ("EMP"),
+	SCATTERED ("SCT"),
+	BUSY ("BSY"),
+	FULL ("FLL");
+	
+	String choice;
+	RatingChoices(String choice) { this.choice = choice; }
+	public String getValue() { return choice; }
+}
diff --git a/src/com/uncc/gameday/registration/RegistrationClient.java b/src/com/uncc/gameday/registration/RegistrationClient.java
deleted file mode 100644
index c5d65b2..0000000
--- a/src/com/uncc/gameday/registration/RegistrationClient.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.uncc.gameday.registration;
-
-import java.util.List;
-
-import com.uncc.gameday.GameDay;
-import com.uncc.gameday.R;
-
-/* Client used for interfacing with the server API */
-
-public class RegistrationClient {
-	
-	private String serverName = GameDay.getAppContext().getString(R.string.server_hostname);
-	
-	public void registerAttendee(Attendee a) {
-		
-	}
-	
-	public List<Attendee> listAttendeeNames() {
-		// List all attendees to the game
-		
-		return null;
-	}
-	
-	public List<Attendee> listAttendeeNames(int begin, int end) {
-		// List attendees to the game supporting pagination
-		
-		return null;
-	}
-	
-	public Attendee getAttendee(int id) {
-		// Get the full information for a single attendee
-		
-		return null;
-	}
-
-}