diff --git a/src/hz_grids.erl b/src/hz_grids.erl
index 4fc9381..17482c7 100644
--- a/src/hz_grids.erl
+++ b/src/hz_grids.erl
@@ -44,8 +44,8 @@
 -spec url(Instruction, HTTP) -> Result
     when Instruction :: spend | transfer | sign,
          HTTP        :: uri_string:uri_string(),
-         GRIDS       :: uri_string:uri_string(),
-         Result      :: {ok, GRIDS} | uri_string:uri_error().
+         Result      :: {ok, GRIDS} | uri_string:uri_error(),
+         GRIDS       :: uri_string:uri_string().
 %% @doc
 %% Takes 
 
@@ -66,6 +66,19 @@ url2(Instruction, URL = #{path := Path}) ->
     {ok, uri_string:recompose(GRIDS)}.
 
 
+-spec url(Instruction, Context, Recipient, Payload, Amount) -> Result
+    when Instruction :: spend | transfer,
+         Context     :: uri_string:uri_string() | string(), % 
+         Recipient   :: string(),
+         Payload     :: binary(),
+         Amount      :: non_neg_integer(),
+         Result      :: {ok, GRIDS} | error | uri_string:uri_error().
+
+url(spend, Context, Recipient, Payload, Amount) ->
+    url(spend, 
+url(transfer, Context, Recipient, Payload, Amount) ->
+
+
 -spec parse(GRIDS) -> Result
     when GRIDS       :: string(),
          Result      :: {ok, Instruction} | uri_string:error(),