diff --git a/.travis.yml b/.travis.yml
index d017f16..d2c303a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,14 @@
 language: go
+env:
+  - GO111MODULE=on
 go:
-  - '1.8'
-  - '1.9'
-  - '1.10'
   - '1.11'
+  - '1.12'
+  - '1.13'
+  - '1.14'
 before_install:
-  - go get -v github.com/google/go-querystring/query
-  - go get -v github.com/h2non/gock
-  - go get -v github.com/stretchr/testify/assert
-script: go test -v ./...
+  - go mod tidy
+script:
+  - go test ./... -v -cpu 2 -timeout 2m -race -cover -coverprofile=coverage.txt -covermode=atomic
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..ad616cb
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,8 @@
+module github.com/retailcrm/mg-transport-api-client-go
+
+go 1.11
+
+require (
+	github.com/google/go-querystring v1.0.0
+	github.com/stretchr/testify v1.4.0
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..b13bde2
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,14 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/google/go-querystring v1.0.0 h1:Xkwi/a1rcvNg1PPYe5vI8GbeBY/jrVuDX5ASuANWTrk=
+github.com/google/go-querystring v1.0.0/go.mod h1:odCYkC5MyYFN7vkCjXpyrEuKhc/BUO6wN/zVPAxq5ck=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0 h1:4G4v2dO3VZwixGIRoQ5Lfboy6nUhCyYzaqnIAPPhYs4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
diff --git a/v1/client.go b/v1/client.go
index 2993c55..eb1c830 100644
--- a/v1/client.go
+++ b/v1/client.go
@@ -27,13 +27,159 @@ func NewWithClient(url string, token string, client *http.Client) *MgClient {
 	}
 }
 
+// TransportTemplates returns templates list
+//
+// Example:
+//
+// 	var client = v1.New("https://token.url", "cb8ccf05e38a47543ad8477d4999be73bff503ea6")
+//
+// 	data, status, err := client.TransportTemplates()
+//
+// 	if err != nil {
+// 		fmt.Printf("%v", err)
+// 	}
+//
+//	fmt.Printf("Status: %v, Templates found: %v", status, len(data))
+func (c *MgClient) TransportTemplates() ([]Template, int, error) {
+	var resp []Template
+
+	data, status, err := c.GetRequest("/templates", []byte{})
+	if err != nil {
+		return resp, status, err
+	}
+
+	if e := json.Unmarshal(data, &resp); e != nil {
+		return resp, status, e
+	}
+
+	if status > http.StatusCreated || status < http.StatusOK {
+		return resp, status, c.Error(data)
+	}
+
+	return resp, status, err
+}
+
+// ActivateTransportChannel implements template activation
+//
+// Example:
+// 		var client = v1.New("https://token.url", "cb8ccf05e38a47543ad8477d4999be73bff503ea6")
+//
+// 		request := v1.ActivateTemplateRequest{
+// 				Code: "code",
+// 				Name: "name",
+// 				Type: v1.TemplateTypeText,
+// 				Template: []v1.TemplateItem{
+// 					{
+// 						Type: v1.TemplateItemTypeText,
+// 						Text: "Hello, ",
+// 					},
+// 					{
+// 						Type:    v1.TemplateItemTypeVar,
+// 						VarType: v1.TemplateVarName,
+// 					},
+// 					{
+// 						Type: v1.TemplateItemTypeText,
+// 						Text: "!",
+// 					},
+// 				},
+// 		}
+//
+// 		_, err := client.ActivateTemplate(uint64(1), request)
+//
+// 		if err != nil {
+// 			fmt.Printf("%v", err)
+// 		}
+func (c *MgClient) ActivateTemplate(channelID uint64, request ActivateTemplateRequest) (int, error) {
+	outgoing, _ := json.Marshal(&request)
+
+	data, status, err := c.PostRequest(fmt.Sprintf("/channels/%d/templates", channelID), bytes.NewBuffer(outgoing))
+	if err != nil {
+		return status, err
+	}
+
+	if status > http.StatusCreated || status < http.StatusOK {
+		return status, c.Error(data)
+	}
+
+	return status, err
+}
+
+// UpdateTemplate implements template updating
+// Example:
+// 		var client = New("https://token.url", "cb8ccf05e38a47543ad8477d4999be73bff503ea6")
+//
+// 		request := v1.Template{
+// 			Code:      "templateCode",
+// 			ChannelID: 1,
+// 			Name:      "templateName",
+// 			Template:  []v1.TemplateItem{
+// 				{
+// 					Type: v1.TemplateItemTypeText,
+// 					Text: "Welcome, ",
+// 				},
+// 				{
+// 					Type: v1.TemplateItemTypeVar,
+// 					VarType: v1.TemplateVarName,
+// 				},
+// 				{
+// 					Type: v1.TemplateItemTypeText,
+// 					Text: "!",
+// 				},
+// 			},
+// 		}
+//
+// 		_, err := client.UpdateTemplate(request)
+//
+// 		if err != nil {
+// 			fmt.Printf("%#v", err)
+// 		}
+func (c *MgClient) UpdateTemplate(request Template) (int, error) {
+	outgoing, _ := json.Marshal(&request)
+
+	data, status, err := c.PutRequest(fmt.Sprintf("/channels/%d/templates/%s", request.ChannelID, request.Code), outgoing)
+	if err != nil {
+		return status, err
+	}
+
+	if status != http.StatusOK {
+		return status, c.Error(data)
+	}
+
+	return status, err
+}
+
+// DeactivateTemplate implements template deactivation
+//
+// Example:
+//
+// 	var client = v1.New("https://token.url", "cb8ccf05e38a47543ad8477d4999be73bff503ea6")
+//
+// 	_, err := client.DeactivateTemplate(3053450384, "templateCode")
+//
+// 	if err != nil {
+// 		fmt.Printf("%v", err)
+// 	}
+func (c *MgClient) DeactivateTemplate(channelID uint64, templateCode string) (int, error) {
+	data, status, err := c.DeleteRequest(
+		fmt.Sprintf("/channels/%d/templates/%s", channelID, templateCode), []byte{})
+	if err != nil {
+		return status, err
+	}
+
+	if status > http.StatusCreated || status < http.StatusOK {
+		return status, c.Error(data)
+	}
+
+	return status, err
+}
+
 // TransportChannels returns channels list
 //
 // Example:
 //
 // 	var client = v1.New("https://token.url", "cb8ccf05e38a47543ad8477d4999be73bff503ea6")
 //
-// 	data, status, err := client.TransportChannels{Channels{Active: true}}
+// 	data, status, err := client.TransportChannels(Channels{Active: true})
 //
 // 	if err != nil {
 // 		fmt.Printf("%v", err)
diff --git a/v1/client_test.go b/v1/client_test.go
index 0cfc4b5..d7443eb 100644
--- a/v1/client_test.go
+++ b/v1/client_test.go
@@ -1,18 +1,25 @@
 package v1
 
 import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
 	"net/http"
 	"os"
 	"strconv"
 	"testing"
 	"time"
+
+	"github.com/stretchr/testify/assert"
 )
 
 var (
-	mgURL        = os.Getenv("MG_URL")
-	mgToken      = os.Getenv("MG_TOKEN")
-	channelID, _ = strconv.ParseUint(os.Getenv("MG_CHANNEL"), 10, 64)
-	ext          = strconv.FormatInt(time.Now().UTC().UnixNano(), 10)
+	mgURL               = os.Getenv("MG_URL")
+	mgToken             = os.Getenv("MG_TOKEN")
+	channelID, _        = strconv.ParseUint(os.Getenv("MG_CHANNEL"), 10, 64)
+	ext                 = strconv.FormatInt(time.Now().UTC().UnixNano(), 10)
+	tplCode             = fmt.Sprintf("testTemplate_%d", time.Now().UnixNano())
+	tplChannel   uint64 = 0
 )
 
 func client() *MgClient {
@@ -22,6 +29,62 @@ func client() *MgClient {
 	return c
 }
 
+func templateChannel(t *testing.T) uint64 {
+	if tplChannel == 0 {
+		c := client()
+		resp, _, err := c.ActivateTransportChannel(Channel{
+			Type: "telegram",
+			Name: "@test_channel_templates",
+			Settings: ChannelSettings{
+				SpamAllowed: false,
+				Status: Status{
+					Delivered: ChannelFeatureBoth,
+					Read:      ChannelFeatureBoth,
+				},
+				Text: ChannelSettingsText{
+					Creating:      ChannelFeatureBoth,
+					Editing:       ChannelFeatureBoth,
+					Quoting:       ChannelFeatureBoth,
+					Deleting:      ChannelFeatureBoth,
+					MaxCharsCount: 5000,
+				},
+				Product: Product{
+					Creating: ChannelFeatureBoth,
+					Editing:  ChannelFeatureBoth,
+					Deleting: ChannelFeatureBoth,
+				},
+				Order: Order{
+					Creating: ChannelFeatureBoth,
+					Editing:  ChannelFeatureBoth,
+					Deleting: ChannelFeatureBoth,
+				},
+				File: ChannelSettingsFilesBase{
+					Creating:             ChannelFeatureBoth,
+					Editing:              ChannelFeatureBoth,
+					Quoting:              ChannelFeatureBoth,
+					Deleting:             ChannelFeatureBoth,
+					Max:                  1000000,
+					CommentMaxCharsCount: 128,
+				},
+				Image: ChannelSettingsFilesBase{
+					Creating: ChannelFeatureBoth,
+					Editing:  ChannelFeatureBoth,
+					Quoting:  ChannelFeatureBoth,
+					Deleting: ChannelFeatureBoth,
+				},
+			},
+		})
+
+		if err != nil {
+			t.FailNow()
+		}
+
+		tplChannel = resp.ChannelID
+	}
+
+	return tplChannel
+}
+
 func TestMgClient_TransportChannels(t *testing.T) {
 	c := client()
 
@@ -177,6 +240,101 @@ func TestMgClient_UpdateTransportChannel(t *testing.T) {
 	t.Logf("Update selected channel: %v", data.ChannelID)
 }
 
+func TestMgClient_TransportTemplates(t *testing.T) {
+	c := client()
+
+	data, status, err := c.TransportTemplates()
+	assert.NoError(t, err, fmt.Sprintf("%d %s", status, err))
+
+	t.Logf("Templates found: %#v", len(data))
+
+	for _, item := range data {
+		for _, tpl := range item.Template {
+			if tpl.Type == TemplateItemTypeText {
+				assert.Empty(t, tpl.VarType)
+			} else {
+				assert.Empty(t, tpl.Text)
+				assert.NotEmpty(t, tpl.VarType)
+
+				if _, ok := templateVarAssoc[tpl.VarType]; !ok {
+					t.Errorf("unknown TemplateVar type %s", tpl.VarType)
+				}
+			}
+		}
+	}
+}
+
+func TestMgClient_ActivateTemplate(t *testing.T) {
+	c := client()
+	req := ActivateTemplateRequest{
+		Code: tplCode,
+		Name: tplCode,
+		Type: TemplateTypeText,
+		Template: []TemplateItem{
+			{
+				Type: TemplateItemTypeText,
+				Text: "Hello ",
+			},
+			{
+				Type:    TemplateItemTypeVar,
+				VarType: TemplateVarFirstName,
+			},
+			{
+				Type: TemplateItemTypeText,
+				Text: "!",
+			},
+		},
+	}
+
+	status, err := c.ActivateTemplate(templateChannel(t), req)
+	assert.NoError(t, err, fmt.Sprintf("%d %s", status, err))
+
+	t.Logf("Activated template with code `%s`", req.Code)
+}
+
+func TestMgClient_UpdateTemplate(t *testing.T) {
+	c := client()
+	tpl := Template{
+		Code:      tplCode,
+		ChannelID: templateChannel(t),
+		Name:      "updated name",
+		Enabled:   true,
+		Type:      TemplateTypeText,
+		Template: []TemplateItem{
+			{
+				Type: TemplateItemTypeText,
+				Text: "Welcome ",
+			},
+			{
+				Type:    TemplateItemTypeVar,
+				VarType: TemplateVarFirstName,
+			},
+			{
+				Type: TemplateItemTypeText,
+				Text: "!",
+			},
+		},
+	}
+
+	status, err := c.UpdateTemplate(tpl)
+	assert.NoError(t, err, fmt.Sprintf("%d %s", status, err))
+
+	templates, status, err := c.TransportTemplates()
+	assert.NoError(t, err, fmt.Sprintf("%d %s", status, err))
+
+	for _, template := range templates {
+		if template.Code == tpl.Code {
+			assert.Equal(t, tpl.Name, template.Name)
+		}
+	}
+}
+
+func TestMgClient_DeactivateTemplate(t *testing.T) {
+	c := client()
+	status, err := c.DeactivateTemplate(templateChannel(t), tplCode)
+	assert.NoError(t, err, fmt.Sprintf("%d %s", status, err))
+}
+
 func TestMgClient_TextMessages(t *testing.T) {
 	c := client()
 	t.Logf("%v", ext)
@@ -215,7 +373,7 @@ func TestMgClient_ImageMessages(t *testing.T) {
 	t.Logf("%v", ext)
 
 	uploadFileResponse, st, err := c.UploadFileByURL(UploadFileByUrlRequest{
-		Url: "https://via.placeholder.com/300",
+		Url: "https://via.placeholder.com/1",
 	})
 
 	if st != http.StatusOK {
@@ -345,14 +503,14 @@ func TestMgClient_UploadFile(t *testing.T) {
 	c := client()
 	t.Logf("%v", ext)
 
-	resp, err := http.Get("https://via.placeholder.com/300")
+	// 1x1 png picture
+	img := "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEX/TQBcNTh/AAAAAXRSTlPM0jRW/QAAAApJREFUeJxjYgAAAAYAAzY3fKgAAAAASUVORK5CYII="
+	binary, err := base64.StdEncoding.DecodeString(img)
 	if err != nil {
-		t.Errorf("%v", err)
+		t.Errorf("cannot convert base64 to binary: %s", err)
 	}
 
-	defer resp.Body.Close()
-
-	data, status, err := c.UploadFile(resp.Body)
+	data, status, err := c.UploadFile(bytes.NewReader(binary))
 
 	if status != http.StatusOK {
 		t.Errorf("%v", err)
diff --git a/v1/template.go b/v1/template.go
new file mode 100644
index 0000000..d852047
--- /dev/null
+++ b/v1/template.go
@@ -0,0 +1,109 @@
+package v1
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+)
+
+// TemplateTypeText is a text template type. There is no other types for now.
+const TemplateTypeText = "text"
+
+const (
+	// TemplateItemTypeText is a type for text chunk in template
+	TemplateItemTypeText uint8 = iota
+	// TemplateItemTypeVar is a type for variable in template
+	TemplateItemTypeVar
+)
+
+const (
+	// TemplateVarCustom is a custom variable type
+	TemplateVarCustom = "custom"
+	// TemplateVarName is a name variable type
+	TemplateVarName = "name"
+	// TemplateVarFirstName is a first name variable type
+	TemplateVarFirstName = "first_name"
+	// TemplateVarLastName is a last name variable type
+	TemplateVarLastName = "last_name"
+)
+
+// templateVarAssoc for checking variable validity, only for internal use
+var templateVarAssoc = map[string]interface{}{
+	TemplateVarCustom:    nil,
+	TemplateVarName:      nil,
+	TemplateVarFirstName: nil,
+	TemplateVarLastName:  nil,
+}
+
+// Template struct
+type Template struct {
+	Code      string         `json:"code"`
+	ChannelID uint64         `json:"channel_id,omitempty"`
+	Name      string         `json:"name"`
+	Enabled   bool           `json:"enabled,omitempty"`
+	Type      string         `json:"type"`
+	Template  []TemplateItem `json:"template"`
+}
+
+// TemplateItem is a part of template
+type TemplateItem struct {
+	Type    uint8
+	Text    string
+	VarType string
+}
+
+// MarshalJSON controls how TemplateItem will be marshaled into JSON
+func (t TemplateItem) MarshalJSON() ([]byte, error) {
+	switch t.Type {
+	case TemplateItemTypeText:
+		return json.Marshal(t.Text)
+	case TemplateItemTypeVar:
+		// {} case, fast output without marshaling
+		if t.VarType == "" || t.VarType == TemplateVarCustom {
+			return []byte("{}"), nil
+		}
+
+		return json.Marshal(map[string]interface{}{
+			"var": t.VarType,
+		})
+	}
+
+	return nil, errors.New("unknown TemplateItem type")
+}
+
+// UnmarshalJSON will correctly unmarshal TemplateItem
+func (t *TemplateItem) UnmarshalJSON(b []byte) error {
+	var obj interface{}
+	err := json.Unmarshal(b, &obj)
+	if err != nil {
+		return err
+	}
+
+	switch v := obj.(type) {
+	case string:
+		t.Type = TemplateItemTypeText
+		t.Text = v
+	case map[string]interface{}:
+		// {} case
+		if len(v) == 0 {
+			t.Type = TemplateItemTypeVar
+			t.VarType = TemplateVarCustom
+			return nil
+		}
+
+		if varTypeCurr, ok := v["var"].(string); ok {
+			if _, ok := templateVarAssoc[varTypeCurr]; !ok {
+				return fmt.Errorf("invalid placeholder var '%s'", varTypeCurr)
+			}
+
+			t.Type = TemplateItemTypeVar
+			t.VarType = varTypeCurr
+		} else {
+			return errors.New("invalid TemplateItem")
+		}
+	default:
+		return errors.New("invalid TemplateItem")
+	}
+
+	return nil
+}
diff --git a/v1/template_test.go b/v1/template_test.go
new file mode 100644
index 0000000..c9d9f26
--- /dev/null
+++ b/v1/template_test.go
@@ -0,0 +1,65 @@
+package v1
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestTemplateItem_MarshalJSON(t *testing.T) {
+	text := TemplateItem{
+		Type: TemplateItemTypeText,
+		Text: "text item",
+	}
+
+	variable := TemplateItem{
+		Type:    TemplateItemTypeVar,
+		VarType: TemplateVarFirstName,
+	}
+
+	emptyVariable := TemplateItem{
+		Type:    TemplateItemTypeVar,
+		VarType: "",
+	}
+
+	data, err := json.Marshal(text)
+	assert.NoError(t, err)
+	assert.Equal(t, "\""+text.Text+"\"", string(data))
+
+	data, err = json.Marshal(variable)
+	assert.NoError(t, err)
+	assert.Equal(t, `{"var":"first_name"}`, string(data))
+
+	data, err = json.Marshal(emptyVariable)
+	assert.NoError(t, err)
+	assert.Equal(t, "{}", string(data))
+}
+
+func TestTemplateItem_UnmarshalJSON(t *testing.T) {
+	var (
+		textResult          TemplateItem
+		variableResult      TemplateItem
+		emptyVariableResult TemplateItem
+	)
+
+	text := []byte("\"text block\"")
+	variable := []byte(`{"var":"first_name"}`)
+	emptyVariable := []byte("{}")
+
+	require.NoError(t, json.Unmarshal(text, &textResult))
+	require.NoError(t, json.Unmarshal(variable, &variableResult))
+	require.NoError(t, json.Unmarshal(emptyVariable, &emptyVariableResult))
+
+	assert.Equal(t, TemplateItemTypeText, textResult.Type)
+	assert.Equal(t, string(text)[1:11], textResult.Text)
+
+	assert.Equal(t, TemplateItemTypeVar, variableResult.Type)
+	assert.Equal(t, TemplateVarFirstName, variableResult.VarType)
+	assert.Empty(t, variableResult.Text)
+
+	assert.Equal(t, TemplateItemTypeVar, emptyVariableResult.Type)
+	assert.Equal(t, TemplateVarCustom, emptyVariableResult.VarType)
+	assert.Empty(t, emptyVariableResult.Text)
+}
diff --git a/v1/types.go b/v1/types.go
index 104d953..dc2ae8e 100644
--- a/v1/types.go
+++ b/v1/types.go
@@ -416,6 +416,13 @@ type TransportRequestMeta struct {
 	Timestamp int64  `json:"timestamp"`
 }
 
+type ActivateTemplateRequest struct {
+	Code     string         `binding:"required,min=1,max=512" json:"code"`
+	Name     string         `binding:"required,min=1,max=512" json:"name"`
+	Type     string         `binding:"required" json:"type"`
+	Template []TemplateItem `json:"template"`
+}
+
 var ErrInvalidOriginator = errors.New("invalid originator")
 
 // Originator of message
diff --git a/v1/types_test.go b/v1/types_test.go
index bb205fe..c69cfbf 100644
--- a/v1/types_test.go
+++ b/v1/types_test.go
@@ -3,8 +3,9 @@ package v1
 import (
 	"encoding/json"
 	"fmt"
-	"github.com/stretchr/testify/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestSendData_MarshalJSON(t *testing.T) {
@@ -96,9 +97,5 @@ func TestOriginator(t *testing.T) {
 		assert.Equal(t, err, ErrInvalidOriginator)
 	})
 
-	t.Run("MarshalJSON_Invalid", func(t *testing.T) {
-		data, err := json.Marshal(Originator(3))
-		assert.Nil(t, data)
-		assert.EqualError(t, err, "json: error calling MarshalJSON for type v1.Originator: invalid originator")
-	})
+	t.Run("MarshalJSON_Invalid", OriginatorMarshalJSONInvalid)
 }
diff --git a/v1/types_test_1.13.go b/v1/types_test_1.13.go
new file mode 100644
index 0000000..014f825
--- /dev/null
+++ b/v1/types_test_1.13.go
@@ -0,0 +1,16 @@
+// +build !go1.14
+
+package v1
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func OriginatorMarshalJSONInvalid(t *testing.T) {
+	data, err := json.Marshal(Originator(3))
+	assert.Nil(t, data)
+	assert.EqualError(t, err, "json: error calling MarshalJSON for type v1.Originator: invalid originator")
+}
diff --git a/v1/types_test_1.14.go b/v1/types_test_1.14.go
new file mode 100644
index 0000000..f2c31b6
--- /dev/null
+++ b/v1/types_test_1.14.go
@@ -0,0 +1,16 @@
+// +build go1.14
+
+package v1
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func OriginatorMarshalJSONInvalid(t *testing.T) {
+	data, err := json.Marshal(Originator(3))
+	assert.Nil(t, data)
+	assert.EqualError(t, err, "json: error calling MarshalText for type v1.Originator: invalid originator")
+}