diff --git a/stacktach/dbapi.py b/stacktach/dbapi.py
new file mode 100644
index 0000000..6f01a1a
--- /dev/null
+++ b/stacktach/dbapi.py
@@ -0,0 +1,65 @@
+import decimal
+import json
+
+from django.forms.models import model_to_dict
+from django.http import HttpResponse
+
+import datetime_to_decimal
+import models
+
+
+def rsp(data):
+    return HttpResponse(json.dumps(data), content_type="application/json")
+
+
+def list_usage_launches(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceUsage.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceUsage.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("launched_at"))
+    return rsp({'launches': dicts})
+
+
+def list_usage_deletes(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceDeletes.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceDeletes.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("launched_at"))
+    return rsp({'deletes': dicts})
+
+
+def list_usage_exists(request):
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        objects = models.InstanceExists.objects.filter(**filter_args)
+    else:
+        objects = models.InstanceExists.objects.all()
+
+    dicts = _convert_model_list(objects.order_by("id"))
+    return rsp({'exists': dicts})
+
+
+def _convert_model_list(list):
+    converted = []
+    for item in list:
+        dict = model_to_dict(item)
+        for key in dict:
+            if isinstance(dict[key], decimal.Decimal):
+                dict[key] = str(datetime_to_decimal.dt_from_decimal(dict[key]))
+        converted.append(dict)
+    return converted
diff --git a/stacktach/stacky_server.py b/stacktach/stacky_server.py
index 327bb25..994729c 100644
--- a/stacktach/stacky_server.py
+++ b/stacktach/stacky_server.py
@@ -72,7 +72,7 @@ def sec_to_time(diff):
 
 
 def rsp(data):
-    return HttpResponse(json.dumps(data))
+    return HttpResponse(json.dumps(data), content_type="application/json")
 
 
 def do_deployments(request):
@@ -297,3 +297,81 @@ def do_kpi(request, tenant_id=None):
             results.append([event, sec_to_time(track.duration),
                    uuid, end_event.deployment.name])
     return rsp(results)
+
+
+def do_list_usage_launches(request):
+
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        launches = models.InstanceUsage.objects.filter(**filter_args)
+    else:
+        launches = models.InstanceUsage.objects.all()
+
+    results = []
+    results.append(["UUID", "Launched At", "Instance Type Id"])
+
+    for launch in launches:
+        launched = None
+        if launch.launched_at:
+            launched = str(dt.dt_from_decimal(launch.launched_at))
+        results.append([launch.instance, launched, launch.instance_type_id])
+
+    return rsp(results)
+
+
+def do_list_usage_deletes(request):
+
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        deletes = models.InstanceDeletes.objects.filter(**filter_args)
+    else:
+        deletes = models.InstanceDeletes.objects.all()
+
+    results = []
+    results.append(["UUID", "Launched At", "Deleted At"])
+
+    for delete in deletes:
+        launched = None
+        if delete.launched_at:
+            launched = str(dt.dt_from_decimal(delete.launched_at))
+        deleted = None
+        if delete.deleted_at:
+            deleted = str(dt.dt_from_decimal(delete.deleted_at))
+        results.append([delete.instance, launched, deleted])
+
+    return rsp(results)
+
+
+def do_list_usage_exists(request):
+
+    filter_args = {}
+    if 'instance' in request.GET:
+        filter_args['instance'] = request.GET['instance']
+
+    if len(filter_args) > 0:
+        exists = models.InstanceExists.objects.filter(**filter_args)
+    else:
+        exists = models.InstanceExists.objects.all()
+
+    results = []
+    results.append(["UUID", "Launched At", "Deleted At", "Instance Type Id",
+                    "Message ID", "Status"])
+
+    for exist in exists:
+        launched = None
+        if exist.launched_at:
+            launched = str(dt.dt_from_decimal(exist.launched_at))
+        deleted = None
+        if exist.deleted_at:
+            deleted = str(dt.dt_from_decimal(exist.deleted_at))
+        results.append([exist.instance, launched, deleted,
+                        exist.instance_type_id, exist.message_id,
+                        exist.status])
+
+    return rsp(results)
diff --git a/stacktach/urls.py b/stacktach/urls.py
index 212cdea..59c6098 100644
--- a/stacktach/urls.py
+++ b/stacktach/urls.py
@@ -18,6 +18,18 @@ urlpatterns = patterns('',
                                         'stacktach.stacky_server.do_watch'),
     url(r'stacky/kpi/$', 'stacktach.stacky_server.do_kpi'),
     url(r'stacky/kpi/(?P<tenant_id>\d+)/$', 'stacktach.stacky_server.do_kpi'),
+    url(r'stacky/usage/launches/$',
+        'stacktach.stacky_server.do_list_usage_launches'),
+    url(r'stacky/usage/deletes/$',
+        'stacktach.stacky_server.do_list_usage_deletes'),
+    url(r'stacky/usage/exists/$',
+        'stacktach.stacky_server.do_list_usage_exists'),
+
+    url(r'db/usage/launches/$',
+        'stacktach.dbapi.list_usage_launches'),
+    url(r'db/usage/deletes/$',
+        'stacktach.dbapi.list_usage_deletes'),
+    url(r'db/usage/exists/$', 'stacktach.dbapi.list_usage_exists'),
 
     url(r'^(?P<deployment_id>\d+)/$', 'stacktach.views.home', name='home'),
     url(r'^(?P<deployment_id>\d+)/details/(?P<column>\w+)/(?P<row_id>\d+)/$',