diff --git a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
index 24321a9a4d..f0fece3239 100644
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc.ex
@@ -206,6 +206,19 @@ defmodule EthereumJSONRPC do
     hexadecimal_to_integer(quantity)
   end
 
+  @doc """
+  A request payload for a JSONRPC.
+  """
+  @spec request(%{id: term, method: String.t(), params: list()}) :: %{String.t() => term}
+  def request(%{id: id, method: method, params: params}) do
+    %{
+      "id" => id,
+      "jsonrpc" => "2.0",
+      "method" => method,
+      "params" => params
+    }
+  end
+
   @doc """
   Converts `t:timestamp/0` to `t:DateTime.t/0`
   """
@@ -254,15 +267,6 @@ defmodule EthereumJSONRPC do
     get_block_by_number_request(%{id: tag, tag: tag, transactions: :hashes})
   end
 
-  defp request(%{id: id, method: method, params: params}) do
-    %{
-      "id" => id,
-      "jsonrpc" => "2.0",
-      "method" => method,
-      "params" => params
-    }
-  end
-
   defp get_block_by_number_params(options) do
     [get_block_by_number_subject(options), get_block_transactions(options)]
   end
diff --git a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/parity.ex b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/parity.ex
index 7bebac6ba6..8ac626809a 100644
--- a/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/parity.ex
+++ b/apps/ethereum_jsonrpc/lib/ethereum_jsonrpc/parity.ex
@@ -3,7 +3,7 @@ defmodule EthereumJSONRPC.Parity do
   Ethereum JSONRPC methods that are only supported by [Parity](https://wiki.parity.io/).
   """
 
-  import EthereumJSONRPC, only: [config: 1, json_rpc: 2]
+  import EthereumJSONRPC, only: [config: 1, json_rpc: 2, request: 1]
 
   alias EthereumJSONRPC.Parity.Traces
 
@@ -34,7 +34,7 @@ defmodule EthereumJSONRPC.Parity do
   def fetch_internal_transactions(transaction_hashes) when is_list(transaction_hashes) do
     with {:ok, responses} <-
            transaction_hashes
-           |> Enum.map(&transaction_hash_to_internal_transaction_json/1)
+           |> Enum.map(&transaction_hash_to_internal_transaction_request/1)
            |> json_rpc(config(:trace_url)) do
       internal_transactions_params =
         responses
@@ -58,12 +58,7 @@ defmodule EthereumJSONRPC.Parity do
     Enum.flat_map(responses, &response_to_trace/1)
   end
 
-  defp transaction_hash_to_internal_transaction_json(transaction_hash) do
-    %{
-      "id" => transaction_hash,
-      "jsonrpc" => "2.0",
-      "method" => "trace_replayTransaction",
-      "params" => [transaction_hash, ["trace"]]
-    }
+  defp transaction_hash_to_internal_transaction_request(transaction_hash) do
+    request(%{id: transaction_hash, method: "trace_replayTransaction", params: [transaction_hash, ["trace"]]})
   end
 end