diff --git a/transmission/response_test.go b/transmission/response_test.go
new file mode 100644
index 0000000..2bd472a
--- /dev/null
+++ b/transmission/response_test.go
@@ -0,0 +1,89 @@
+package transmission
+
+import (
+	"bytes"
+	"encoding/json"
+	"testing"
+
+	"github.com/vmihailenco/msgpack"
+)
+
+// response struct sent from API
+type responseInBatch struct {
+	ErrorStr string `json:"error,omitempty"`
+	Status   int    `json:"status,omitempty"`
+}
+
+var (
+	srcBatchResponseSingle = []responseInBatch{
+		responseInBatch{ErrorStr: "something bad happened", Status: 500},
+	}
+	srcBatchResponseMultiple = []responseInBatch{
+		responseInBatch{ErrorStr: "something bad happened", Status: 500},
+		responseInBatch{Status: 202},
+	}
+)
+
+func TestUnmarshalJSONResponse(t *testing.T) {
+	buf := &bytes.Buffer{}
+	encoder := json.NewEncoder(buf)
+	encoder.SetEscapeHTML(false)
+	err := encoder.Encode(srcBatchResponseMultiple)
+	testOK(t, err)
+
+	var responses []Response
+	err = json.NewDecoder(buf).Decode(&responses)
+	testOK(t, err)
+
+	testEquals(t, responses[0].StatusCode, 500)
+	testEquals(t, responses[0].Err.Error(), "something bad happened")
+	testEquals(t, responses[1].StatusCode, 202)
+	testEquals(t, responses[1].Err, nil)
+}
+
+func TestUnmarshalJSONResponseSingle(t *testing.T) {
+	buf := &bytes.Buffer{}
+	encoder := json.NewEncoder(buf)
+	encoder.SetEscapeHTML(false)
+	err := encoder.Encode(srcBatchResponseSingle)
+	testOK(t, err)
+
+	var responses []Response
+	err = json.NewDecoder(buf).Decode(&responses)
+	testOK(t, err)
+
+	testEquals(t, responses[0].StatusCode, 500)
+	testEquals(t, responses[0].Err.Error(), "something bad happened")
+}
+
+func TestUnmarshalMsgpackResponse(t *testing.T) {
+	buf := &bytes.Buffer{}
+	encoder := msgpack.NewEncoder(buf)
+	encoder.UseJSONTag(true)
+	err := encoder.Encode(srcBatchResponseMultiple)
+	testOK(t, err)
+
+	var responses []Response
+	err = msgpack.NewDecoder(buf).Decode(&responses)
+	testOK(t, err)
+
+	testEquals(t, responses[0].StatusCode, 500)
+	testEquals(t, responses[0].Err.Error(), "something bad happened")
+	testEquals(t, responses[1].StatusCode, 202)
+	testEquals(t, responses[1].Err, nil)
+}
+
+func TestUnmarshalMsgpackResponseSingle(t *testing.T) {
+	buf := &bytes.Buffer{}
+	encoder := msgpack.NewEncoder(buf)
+	encoder.UseJSONTag(true)
+	err := encoder.Encode(srcBatchResponseSingle)
+	testOK(t, err)
+
+	var responses []Response
+	err = msgpack.NewDecoder(buf).Decode(&responses)
+	testOK(t, err)
+
+	testEquals(t, responses[0].StatusCode, 500)
+	testEquals(t, responses[0].Err.Error(), "something bad happened")
+}