diff --git a/command_api.py b/command_api.py
index 164b036..9860712 100644
--- a/command_api.py
+++ b/command_api.py
@@ -1,9 +1,9 @@
 from http import HTTPStatus
 
-from flask import request
+from flask import Response, request
 
 from app_setup import app
-from task_database import get_task_progress, get_taskCurrent
+from task_database import get_user
 import logging
 from task_api import token_required_v2
 from user_dao import UserDatabaseObject
@@ -23,63 +23,38 @@ def store_rsn_by_username(user: UserDatabaseObject):
     body = request.json
     rsn = body['rsn']
 
+    logger.debug("Storing RSN mapping: username=%s, rsn=%s", user.username, rsn)
     username_by_rsn_cache[rsn] = user.username
 
-    logger.debug(
-        "Storing RSN mapping: username=%s, rsn=%s, body=%s",
-        user.username,
-        rsn,
-        body
-    )
+    return Response(status=HTTPStatus.NO_CONTENT)
 
-    return '', HTTPStatus.NO_CONTENT
 
-
-@app.route('/command/<rsn>', methods=['GET'])
+@app.route('/api/v2/command/<rsn>', methods=['GET'])
 def command_get_task_progress(rsn: str):
-    logger.debug("Looking up RSN in cache: rsn=%s, cache=%s",rsn, username_by_rsn_cache)
+    logger.debug('Looking up RSN in cache: rsn=%s, cache=%s',rsn, username_by_rsn_cache)
 
     try:
         username = username_by_rsn_cache.get(rsn)
 
         if username is None:
-            logger.debug("No username found in cache for rsn=%s", rsn)
-            return {
-                "error": "Unknown RSN"
-            }, HTTPStatus.NOT_FOUND
+            logger.debug('No username found in cache for rsn=%s', rsn)
+            return { 'error': 'Unknown RSN' }, HTTPStatus.NOT_FOUND
+
+        user = get_user(username)
+        if user is None:
+            return { 'error': 'Unknown user' }, HTTPStatus.NOT_FOUND
 
-        logger.debug("Found username for RSN: rsn=%s, username=%s", rsn, username)
-        task = get_taskCurrent(username)
-        progress = get_task_progress(username)
-        curr_tier = _get_current_tier(progress)
+        logger.debug('Found username for RSN: rsn=%s, username=%s', rsn, username)
+        task_id = user.current_task_id()
+        curr_tier = user.current_rollable_tier()
+        progress = user.get_tier_progress(curr_tier)
 
         return {
-            "task": task,
-            "tier": curr_tier,
-            "progressPercentage": progress[curr_tier]["percent_complete"]
+            'task_id': task_id,
+            'tier': curr_tier,
+            'progress': progress.percent_complete
         }
 
     except Exception as e:
-        logger.exception(
-            "Error retrieving command information for rsn=%s",
-            rsn
-        )
-
-        return {
-            'error': f'Error: {e}'
-        }, HTTPStatus.INTERNAL_SERVER_ERROR
-
-
-def _get_current_tier(progress):
-    if progress["easy"]["total_complete"] < progress["easy"]["total"]:
-        return "easy"
-    elif progress["medium"]["total_complete"] < progress["medium"]["total"]:
-        return "medium"
-    elif progress["hard"]["total_complete"] < progress["hard"]["total"]:
-        return "hard"
-    elif progress["elite"]["total_complete"] < progress["elite"]["total"]:
-        return "elite"
-    elif progress["master"]["total_complete"] < progress["master"]["total"]:
-        return "master"
-    else:
-        return "extra"
\ No newline at end of file
+        logger.exception('Error retrieving command information for rsn=%s', rsn)
+        return { 'error': str(e) }, HTTPStatus.INTERNAL_SERVER_ERROR
\ No newline at end of file