diff --git a/applications/api.moon b/applications/api.moon
index 3a6bc72..d660f3c 100644
--- a/applications/api.moon
+++ b/applications/api.moon
@@ -1,5 +1,5 @@
 import Application from require "lapis"
-import json_params, capture_errors_json, yield_error from require "lapis.application"
+import yield_error from require "lapis.application"
 import assert_valid from require "lapis.validate"
 
 import APIKeys, Users, Tasks from require "models"
@@ -12,13 +12,13 @@ class API extends Application
   @path: "/v1"
   @name: "api_"
 
-  @before_filter( capture_errors_json json_params =>
+  @before_filter( api_request =>
     -- TODO implement Authorization: api_key VALUE as acceptable method to send api_key
-    yield_error "api_key not specified!" unless @params.api_key -- this does not seem to be triggering!!!
+    yield_error "api_key not specified." unless @params.api_key -- this does not seem to be triggering!!!
     @api_key = APIKeys\find key: @params.api_key
     yield_error "Invalid api_key" unless @api_key
     @user = Users\find id: @api_key.user_id
-    yield_error "Invalid api_key!" unless @user -- NOTE this should also delete the api_key and error (this should never happen!)
+    yield_error "Invalid api_key." unless @user -- NOTE this should also delete the api_key and error (this should never happen!)
   )
 
   -- TODO intentionally cause an error to see if this is working as intended
@@ -37,11 +37,11 @@ class API extends Application
       user_id: @user.id
       content: @params.content
     }
-    yield_error err unless task
+    yield_error 500, err unless task
 
     return json: { success: true, :task }
 
-  [do: "/do"]: capture_errors_json json_params =>
+  [do: "/do"]: api_request =>
     local task
     if @params.id
       assert_valid @params, {
@@ -57,13 +57,13 @@ class API extends Application
     else
       yield_error "Task id or content not specified."
 
-    yield_error "Invalid task specified." unless task
+    yield_error 404, "Invalid task specified." unless task
     task, err = task\update done: true
-    yield_error err unless task
+    yield_error 500, err unless task
 
     return json: { success: true, :task }
 
-  [undo: "/undo"]: capture_errors_json json_params =>
+  [undo: "/undo"]: api_request =>
     local task
     if @params.id
       assert_valid @params, {
@@ -79,17 +79,17 @@ class API extends Application
     else
       yield_error "Task id or content not specified."
 
-    yield_error "Invalid task specified." unless task
+    yield_error 404, "Invalid task specified." unless task
     task, err = task\update done: false
-    yield_error err unless task
+    yield_error 500, err unless task
 
     return json: { success: true, :task }
 
-  [get: "/get"]: capture_errors_json json_params =>
+  [get: "/get"]: api_request =>
     -- TODO
-    return status: 501, json: { errors: {"Not implemented."} }
+    yield_error 501, "Not implemented."
 
-  [random: "/random"]: capture_errors_json json_params =>
+  [random: "/random"]: api_request =>
     assert_valid @params, {
       {"count", exists: true, is_integer: true, optional: true, "Count is not an integer."}
       {"done", exists: true, one_of: {true, false}, optional: true, "Done is not a boolean."}
@@ -97,6 +97,8 @@ class API extends Application
     @params.count or= 1
     @params.done = false if @params.done == nil
 
+    yield_error 501, "Not implemented."
+
     -- TODO figure out how to return random selection
     -- possibly need to store how many items each user has and use a different strategy for users with low amounts vs high amounts
     -- key = get_key(@)
@@ -112,10 +114,9 @@ class API extends Application
     -- if tasks and #tasks == 1
     --   return json: { success: true, task: tasks[1] }
     -- else
-    --   return standard_err!
-    return status: 501, json: { errors: {"Not implemented."} }
+    --   yield_error!
 
-  [list: "/list"]: capture_errors_json json_params =>
+  [list: "/list"]: api_request =>
     assert_valid @params, {
       {"count", exists: true, is_integer: true, optional: true, "Count is not an integer."}
       {"done", exists: true, one_of: {true, false}, optional: true, "Done is not a boolean."}
@@ -141,13 +142,13 @@ class API extends Application
     -- returns page in case it returned a different page than you asked for! (in the case you ask for a page beyond the end)
     return json: { success: true, page: @params.page, :tasks }
 
-  [new_key: "/key/new"]: capture_errors_json json_params =>
+  [new_key: "/key/new"]: api_request =>
     -- TODO
-    return status: 501, json: { errors: {"Not implemented."} }
+    yield_error 501, "Not implemented."
 
-  [delete_key: "/key/delete"]: capture_errors_json json_params =>
+  [delete_key: "/key/delete"]: api_request =>
     -- TODO
-    return status: 501, json: { errors: {"Not implemented."} }
+    yield_error 501, "Not implemented."
 
   -- /new { content: "string" }
   -- /do { id: # } or content