diff --git a/src/api.ml b/src/api.ml
index e4d7e007..ede981d6 100644
--- a/src/api.ml
+++ b/src/api.ml
@@ -1074,3 +1074,15 @@ module AccountLimit = struct
     |> opt_mem "soft_limit" Jsont.bool ~enc:soft_limit
     |> finish
 end
+
+module ZeroLimitedOperation = struct
+  type t = { operation_type: Account_operation.t }
+
+  let jsont =
+    let make operation_type = { operation_type } in
+    let operation_type v = v.operation_type in
+    let open Jsont.Object in
+    map ~kind:"ZeroLimitedOperation" make
+    |> mem "operation_type" Account_operation.jsont ~enc:operation_type
+    |> finish
+end