diff --git a/.golangci.yml b/.golangci.yml
index 03671d9..ed8c8bd 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -157,6 +157,7 @@ issues:
   exclude-rules:
     - path: _test\.go
       linters:
+        - dupl
         - gomnd
         - lll
         - bodyclose
diff --git a/mg-transport-api-client-go b/mg-transport-api-client-go
new file mode 120000
index 0000000..0ff901d
--- /dev/null
+++ b/mg-transport-api-client-go
@@ -0,0 +1 @@
+/home/pavel/work/mg-transports/mg-transport-api-client-go
\ No newline at end of file
diff --git a/v1/client.go b/v1/client.go
index eddce10..deeef90 100644
--- a/v1/client.go
+++ b/v1/client.go
@@ -153,15 +153,15 @@ func (c *MgClient) ActivateTemplate(channelID uint64, request ActivateTemplateRe
 //	if err != nil {
 //		fmt.Printf("%#v", err)
 //	}
-func (c *MgClient) UpdateTemplate(request Template) (int, error) {
+func (c *MgClient) UpdateTemplate(channelID uint64, code string, request UpdateTemplateRequest) (int, error) {
 	outgoing, _ := json.Marshal(&request)
 
-	if request.ChannelID == 0 || request.Code == "" {
+	if channelID == 0 || code == "" {
 		return 0, errors.New("`ChannelID` and `Code` cannot be blank")
 	}
 
 	data, status, err := c.PutRequest(
-		fmt.Sprintf("/channels/%d/templates/%s", request.ChannelID, url.PathEscape(request.Code)), outgoing)
+		fmt.Sprintf("/channels/%d/templates/%s", channelID, url.PathEscape(code)), outgoing)
 	if err != nil {
 		return status, err
 	}
diff --git a/v1/client_test.go b/v1/client_test.go
index d30cb9c..89f04a0 100644
--- a/v1/client_test.go
+++ b/v1/client_test.go
@@ -351,24 +351,26 @@ func (t *MGClientTest) Test_ActivateTemplate() {
 	c := t.client()
 	req := ActivateTemplateRequest{
 		Code: "tplCode",
-		Name: "tplCode",
 		Type: TemplateTypeText,
-		Template: []TemplateItem{
-			{
-				Type: TemplateItemTypeText,
-				Text: "Hello ",
-			},
-			{
-				Type:    TemplateItemTypeVar,
-				VarType: TemplateVarFirstName,
-			},
-			{
-				Type: TemplateItemTypeText,
-				Text: "!",
+		UpdateTemplateRequest: UpdateTemplateRequest{
+			Name: "tplCode",
+			Template: []TemplateItem{
+				{
+					Type: TemplateItemTypeText,
+					Text: "Hello ",
+				},
+				{
+					Type:    TemplateItemTypeVar,
+					VarType: TemplateVarFirstName,
+				},
+				{
+					Type: TemplateItemTypeText,
+					Text: "!",
+				},
 			},
+			RejectionReason:    "",
+			VerificationStatus: TemplateStatusApproved,
 		},
-		RejectionReason:    "",
-		VerificationStatus: "approved",
 	}
 
 	defer gock.Off()
@@ -384,12 +386,8 @@ func (t *MGClientTest) Test_ActivateTemplate() {
 
 func (t *MGClientTest) Test_UpdateTemplate() {
 	c := t.client()
-	tpl := Template{
-		Code:      "encodable#code",
-		ChannelID: 1,
-		Name:      "updated name",
-		Enabled:   true,
-		Type:      TemplateTypeText,
+	tpl := UpdateTemplateRequest{
+		Name: "updated name",
 		Template: []TemplateItem{
 			{
 				Type: TemplateItemTypeText,
@@ -421,16 +419,20 @@ func (t *MGClientTest) Test_UpdateTemplate() {
 	t.gock().
 		Get(t.transportURL("templates")).
 		Reply(http.StatusOK).
-		JSON([]Template{tpl})
+		JSON([]ActivateTemplateRequest{ActivateTemplateRequest{
+			UpdateTemplateRequest: tpl,
+			Code:                  "encodable#code",
+			Type:                  TemplateTypeText,
+		}})
 
-	status, err := c.UpdateTemplate(tpl)
+	status, err := c.UpdateTemplate(1, "encodable#code", tpl)
 	t.Assert().NoError(err, fmt.Sprintf("%d %s", status, err))
 
 	templates, status, err := c.TransportTemplates()
 	t.Assert().NoError(err, fmt.Sprintf("%d %s", status, err))
 
 	for _, template := range templates {
-		if template.Code == tpl.Code {
+		if template.Code == "encodable#code" {
 			t.Assert().Equal(tpl.Name, template.Name)
 		}
 	}
@@ -438,10 +440,8 @@ func (t *MGClientTest) Test_UpdateTemplate() {
 
 func (t *MGClientTest) Test_UpdateTemplateFail() {
 	c := t.client()
-	tpl := Template{
-		Name:    "updated name",
-		Enabled: true,
-		Type:    TemplateTypeText,
+	tpl := UpdateTemplateRequest{
+		Name: "updated name",
 		Template: []TemplateItem{
 			{
 				Type: TemplateItemTypeText,
@@ -467,7 +467,7 @@ func (t *MGClientTest) Test_UpdateTemplateFail() {
 			},
 		)
 
-	status, err := c.UpdateTemplate(tpl)
+	status, err := c.UpdateTemplate(1, "encodable#code", tpl)
 	t.Assert().Error(err, fmt.Sprintf("%d %s", status, err))
 }
 
diff --git a/v1/template.go b/v1/template.go
index 634181a..ff973b2 100644
--- a/v1/template.go
+++ b/v1/template.go
@@ -1,14 +1,12 @@
 package v1
 
 import (
+	"bytes"
 	"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
@@ -37,19 +35,260 @@ var templateVarAssoc = map[string]interface{}{
 
 // 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"`
-	HeaderParams       *HeaderParams  `json:"headerParams,omitempty"`
-	Footer             *string        `json:"footer,omitempty"`
-	ButtonParams       []ButtonParam  `json:"buttonParams,omitempty"`
-	Lang               string         `json:"lang,omitempty"`
-	Category           string         `json:"category,omitempty"`
-	RejectionReason    string         `json:"rejection_reason,omitempty"`
-	VerificationStatus string         `json:"verification_status,omitempty"`
+	ID                 int64                      `json:"id,omitempty"`
+	Code               string                     `json:"code,omitempty"`
+	ChannelID          uint64                     `json:"channel_id"`
+	Name               string                     `json:"name"`
+	Enabled            bool                       `json:"enabled"`
+	Type               TemplateType               `json:"type"`
+	Template           []TemplateItem             `json:"template"`
+	Body               string                     `json:"body"`
+	Lang               string                     `json:"lang,omitempty"`
+	Category           string                     `json:"category,omitempty"`
+	Example            *TemplateExample           `json:"example,omitempty"`
+	VerificationStatus TemplateVerificationStatus `json:"verification_status"`
+	RejectionReason    TemplateRejectionReason    `json:"rejection_reason,omitempty"`
+	Header             *TemplateHeader            `json:"header,omitempty"`
+	Footer             string                     `json:"footer,omitempty"`
+	Buttons            *TemplateButtons           `json:"buttons,omitempty"`
+}
+
+type TemplateExample struct {
+	Body    []string   `json:"body,omitempty"`
+	Header  []string   `json:"header,omitempty"`
+	Buttons [][]string `json:"buttons,omitempty"`
+}
+
+type TemplateButtons struct {
+	Items []Button `json:"items"`
+}
+
+func (b *TemplateButtons) UnmarshalJSON(value []byte) error {
+	var ScanType struct {
+		Items []json.RawMessage `json:"items"`
+	}
+
+	if err := json.Unmarshal(value, &ScanType); err != nil {
+		return err
+	}
+
+	var ButtonType struct {
+		Type ButtonType `json:"type"`
+	}
+
+	for _, r := range ScanType.Items {
+		if err := json.Unmarshal(r, &ButtonType); err != nil {
+			return err
+		}
+
+		var btn Button
+		switch ButtonType.Type {
+		case ButtonTypePlain:
+			btn = &PlainButton{}
+		case ButtonTypePhone:
+			btn = &PhoneButton{}
+		case ButtonTypeURL:
+			btn = &URLButton{}
+		default:
+			return errors.New("undefined type of button")
+		}
+
+		if err := json.Unmarshal(r, btn); err != nil {
+			return err
+		}
+
+		b.Items = append(b.Items, btn)
+	}
+
+	return nil
+}
+
+func (b TemplateButtons) MarshalJSON() ([]byte, error) {
+	var ValueType struct {
+		Items []json.RawMessage `json:"items"`
+	}
+
+	for _, btn := range b.Items {
+		btnData, err := json.Marshal(btn)
+		if err != nil {
+			return nil, err
+		}
+
+		buffer := bytes.NewBuffer(btnData[:len(btnData)-1])
+		buffer.WriteByte(',')
+		buffer.WriteString(fmt.Sprintf(`"type":"%s"`, btn.ButtonType()))
+		buffer.WriteByte('}')
+
+		ValueType.Items = append(ValueType.Items, buffer.Bytes())
+	}
+
+	d, err := json.Marshal(ValueType)
+	if err != nil {
+		return nil, err
+	}
+
+	return d, nil
+}
+
+type Button interface {
+	ButtonType() ButtonType
+}
+
+type ButtonType string
+
+const (
+	ButtonTypePlain ButtonType = "plain"
+	ButtonTypePhone ButtonType = "phone"
+	ButtonTypeURL   ButtonType = "url"
+)
+
+type PlainButton struct {
+	Label string `json:"label"`
+}
+
+func (PlainButton) ButtonType() ButtonType { return ButtonTypePlain }
+
+type PhoneButton struct {
+	Label string `json:"label"`
+	Phone string `json:"phone"`
+}
+
+func (PhoneButton) ButtonType() ButtonType { return ButtonTypePhone }
+
+type URLButton struct {
+	Label string `json:"label"`
+	URL   string `json:"url"`
+}
+
+func (URLButton) ButtonType() ButtonType { return ButtonTypeURL }
+
+type HeaderContent interface {
+	HeaderContentType() HeaderContentType
+}
+
+type HeaderContentType string
+
+const (
+	HeaderContentTypeText     HeaderContentType = "text"
+	HeaderContentTypeDocument HeaderContentType = "document"
+	HeaderContentTypeImage    HeaderContentType = "image"
+	HeaderContentTypeVideo    HeaderContentType = "video"
+)
+
+type HeaderContentText struct {
+	Body string `json:"body"`
+}
+
+func (HeaderContentText) HeaderContentType() HeaderContentType { return HeaderContentTypeText }
+
+type HeaderContentDocument struct{}
+
+func (HeaderContentDocument) HeaderContentType() HeaderContentType { return HeaderContentTypeDocument }
+
+type HeaderContentImage struct{}
+
+func (HeaderContentImage) HeaderContentType() HeaderContentType { return HeaderContentTypeImage }
+
+type HeaderContentVideo struct{}
+
+func (HeaderContentVideo) HeaderContentType() HeaderContentType { return HeaderContentTypeVideo }
+
+type TemplateHeader struct {
+	Content HeaderContent `json:"content"`
+}
+
+func (h *TemplateHeader) TextContent() *HeaderContentText {
+	if h.Content.HeaderContentType() != HeaderContentTypeText {
+		return nil
+	}
+	return h.Content.(*HeaderContentText)
+}
+
+func (h *TemplateHeader) DocumentContent() *HeaderContentDocument {
+	if h.Content.HeaderContentType() != HeaderContentTypeDocument {
+		return nil
+	}
+	return h.Content.(*HeaderContentDocument)
+}
+
+func (h *TemplateHeader) ImageContent() *HeaderContentImage {
+	if h.Content.HeaderContentType() != HeaderContentTypeImage {
+		return nil
+	}
+	return h.Content.(*HeaderContentImage)
+}
+
+func (h *TemplateHeader) VideoContent() *HeaderContentVideo {
+	if h.Content.HeaderContentType() != HeaderContentTypeVideo {
+		return nil
+	}
+	return h.Content.(*HeaderContentVideo)
+}
+
+func (h *TemplateHeader) UnmarshalJSON(value []byte) error {
+	var ScanType struct {
+		Content json.RawMessage `json:"content"`
+	}
+
+	if err := json.Unmarshal(value, &ScanType); err != nil {
+		return err
+	}
+
+	var ContentType struct {
+		Type HeaderContentType `json:"type"`
+	}
+
+	if err := json.Unmarshal(ScanType.Content, &ContentType); err != nil {
+		return err
+	}
+
+	var c HeaderContent
+	switch ContentType.Type {
+	case HeaderContentTypeText:
+		c = &HeaderContentText{}
+	case HeaderContentTypeDocument:
+		c = &HeaderContentDocument{}
+	case HeaderContentTypeImage:
+		c = &HeaderContentImage{}
+	case HeaderContentTypeVideo:
+		c = &HeaderContentVideo{}
+	default:
+		return errors.New("undefined type of header content")
+	}
+
+	if err := json.Unmarshal(ScanType.Content, c); err != nil {
+		return err
+	}
+
+	h.Content = c
+	return nil
+}
+
+func (h TemplateHeader) MarshalJSON() ([]byte, error) {
+	content, err := json.Marshal(h.Content)
+	if err != nil {
+		return nil, err
+	}
+
+	buffer := bytes.NewBuffer(content[:len(content)-1])
+	if buffer.Len() > 1 {
+		buffer.WriteByte(',')
+	}
+	buffer.WriteString(fmt.Sprintf(`"type":"%s"`, h.Content.HeaderContentType()))
+	buffer.WriteByte('}')
+
+	var ValueType struct {
+		Content json.RawMessage `json:"content"`
+	}
+
+	ValueType.Content = buffer.Bytes()
+
+	d, err := json.Marshal(ValueType)
+	if err != nil {
+		return nil, err
+	}
+
+	return d, nil
 }
 
 // TemplateItem is a part of template.
diff --git a/v1/template_test.go b/v1/template_test.go
index 4642a50..7d94e3f 100644
--- a/v1/template_test.go
+++ b/v1/template_test.go
@@ -64,51 +64,193 @@ func TestTemplateItem_UnmarshalJSON(t *testing.T) {
 	assert.Empty(t, emptyVariableResult.Text)
 }
 
-func TestUnmarshalMediaInteractiveTemplate(t *testing.T) {
+func TestUnmarshalInteractiveTemplate_TextHeader(t *testing.T) {
 	var template Template
 	input := `{
 	"code":"aaa#bbb#ru",
     "phone": "79252223456",
     "channel_id": 1,
-    "headerParams": {
-        "textVars": [
-            "Johny",
-            "1234C"
-        ],
-        "imageUrl": "http://example.com/intaro/d2354125",
-        "videoUrl": "http://example.com/intaro/d2222",
-        "documentUrl": "http://example.com/intaro/d4444"
+    "header": {
+        "content": {
+			"type": "text",
+	        "body": "Hello, {{1}}!"
+		}
     },
     "footer": "Scooter",
-    "buttonParams": [
-        {
-            "type": "URL",
-            "urlParameter": "222ddd"
-        },
-        {
-            "type": "QUICK_REPLY",
-            "text": "Yes"
-        }
-    ],
+    "buttons": {
+		"items": [
+			{
+	            "type": "url",
+				"label": "Go to website",
+	            "url": "222ddd"
+	        },
+	        {
+	            "type": "plain",
+	            "label": "Yes"
+	        }
+		]
+	},
     "verification_status": "approved"
 }`
 	assert.NoError(t, json.Unmarshal([]byte(input), &template))
 
 	assert.Equal(t, "aaa#bbb#ru", template.Code)
-	assert.Equal(t, []string{"Johny", "1234C"}, template.HeaderParams.TextVars)
-	assert.Equal(t, "http://example.com/intaro/d2354125", template.HeaderParams.ImageURL)
-	assert.Equal(t, "http://example.com/intaro/d2222", template.HeaderParams.VideoURL)
-	assert.Equal(t, "http://example.com/intaro/d4444", template.HeaderParams.DocumentURL)
-	assert.Equal(t, "Scooter", *template.Footer)
-	assert.Equal(t, "approved", template.VerificationStatus)
-	assert.Equal(t, URLButton, template.ButtonParams[0].ButtonType)
-	assert.Equal(t, "222ddd", template.ButtonParams[0].URLParameter)
-	assert.Equal(t, QuickReplyButton, template.ButtonParams[1].ButtonType)
-	assert.Equal(t, "Yes", template.ButtonParams[1].Text)
+	assert.Equal(t, HeaderContentTypeText, template.Header.Content.HeaderContentType())
+
+	h := template.Header.TextContent()
+	assert.Equal(t, "Hello, {{1}}!", h.Body)
+	assert.Equal(t, "Scooter", template.Footer)
+	assert.Equal(t, TemplateStatusApproved, template.VerificationStatus)
+	assert.Equal(t, ButtonTypeURL, template.Buttons.Items[0].ButtonType())
+	assert.Equal(t, "222ddd", template.Buttons.Items[0].(*URLButton).URL)
+	assert.Equal(t, "Go to website", template.Buttons.Items[0].(*URLButton).Label)
+	assert.Equal(t, ButtonTypePlain, template.Buttons.Items[1].ButtonType())
+	assert.Equal(t, "Yes", template.Buttons.Items[1].(*PlainButton).Label)
 
 	input = `{"footer": "Scooter"}`
 	template = Template{}
 	assert.NoError(t, json.Unmarshal([]byte(input), &template))
-	assert.Nil(t, template.HeaderParams)
-	assert.Empty(t, template.ButtonParams)
+	assert.Nil(t, template.Header)
+	assert.Empty(t, template.Buttons)
+}
+
+func TestUnmarshalInteractiveTemplate_DocumentHeader(t *testing.T) {
+	var template Template
+	input := `{
+	"code":"aaa#bbb#ru",
+    "phone": "79252223456",
+    "channel_id": 1,
+    "header": {
+        "content": {
+			"type": "document"
+		}
+    },
+    "footer": "Scooter",
+    "buttons": {
+		"items": [
+			{
+	            "type": "url",
+				"label": "Go to website",
+	            "url": "222ddd"
+	        },
+	        {
+	            "type": "plain",
+	            "label": "Yes"
+	        }
+		]
+	},
+    "verification_status": "approved"
+}`
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+
+	assert.Equal(t, "aaa#bbb#ru", template.Code)
+	assert.Equal(t, HeaderContentTypeDocument, template.Header.Content.HeaderContentType())
+	assert.NotNil(t, template.Header.DocumentContent())
+	assert.Equal(t, "Scooter", template.Footer)
+	assert.Equal(t, TemplateStatusApproved, template.VerificationStatus)
+	assert.Equal(t, ButtonTypeURL, template.Buttons.Items[0].ButtonType())
+	assert.Equal(t, "222ddd", template.Buttons.Items[0].(*URLButton).URL)
+	assert.Equal(t, "Go to website", template.Buttons.Items[0].(*URLButton).Label)
+	assert.Equal(t, ButtonTypePlain, template.Buttons.Items[1].ButtonType())
+	assert.Equal(t, "Yes", template.Buttons.Items[1].(*PlainButton).Label)
+
+	input = `{"footer": "Scooter"}`
+	template = Template{}
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+	assert.Nil(t, template.Header)
+	assert.Empty(t, template.Buttons)
+}
+
+func TestUnmarshalInteractiveTemplate_ImageHeader(t *testing.T) {
+	var template Template
+	input := `{
+	"code":"aaa#bbb#ru",
+    "phone": "79252223456",
+    "channel_id": 1,
+    "header": {
+        "content": {
+			"type": "image"
+		}
+    },
+    "footer": "Scooter",
+    "buttons": {
+		"items": [
+			{
+	            "type": "url",
+				"label": "Go to website",
+	            "url": "222ddd"
+	        },
+	        {
+	            "type": "plain",
+	            "label": "Yes"
+	        }
+		]
+	},
+    "verification_status": "approved"
+}`
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+
+	assert.Equal(t, "aaa#bbb#ru", template.Code)
+	assert.Equal(t, HeaderContentTypeImage, template.Header.Content.HeaderContentType())
+	assert.NotNil(t, template.Header.ImageContent())
+	assert.Equal(t, "Scooter", template.Footer)
+	assert.Equal(t, TemplateStatusApproved, template.VerificationStatus)
+	assert.Equal(t, ButtonTypeURL, template.Buttons.Items[0].ButtonType())
+	assert.Equal(t, "222ddd", template.Buttons.Items[0].(*URLButton).URL)
+	assert.Equal(t, "Go to website", template.Buttons.Items[0].(*URLButton).Label)
+	assert.Equal(t, ButtonTypePlain, template.Buttons.Items[1].ButtonType())
+	assert.Equal(t, "Yes", template.Buttons.Items[1].(*PlainButton).Label)
+
+	input = `{"footer": "Scooter"}`
+	template = Template{}
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+	assert.Nil(t, template.Header)
+	assert.Empty(t, template.Buttons)
+}
+
+func TestUnmarshalInteractiveTemplate_VideoHeader(t *testing.T) {
+	var template Template
+	input := `{
+	"code":"aaa#bbb#ru",
+    "phone": "79252223456",
+    "channel_id": 1,
+    "header": {
+        "content": {
+			"type": "video"
+		}
+    },
+    "footer": "Scooter",
+    "buttons": {
+		"items": [
+			{
+	            "type": "url",
+				"label": "Go to website",
+	            "url": "222ddd"
+	        },
+	        {
+	            "type": "plain",
+	            "label": "Yes"
+	        }
+		]
+	},
+    "verification_status": "approved"
+}`
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+
+	assert.Equal(t, "aaa#bbb#ru", template.Code)
+	assert.Equal(t, HeaderContentTypeVideo, template.Header.Content.HeaderContentType())
+	assert.NotNil(t, template.Header.VideoContent())
+	assert.Equal(t, "Scooter", template.Footer)
+	assert.Equal(t, TemplateStatusApproved, template.VerificationStatus)
+	assert.Equal(t, ButtonTypeURL, template.Buttons.Items[0].ButtonType())
+	assert.Equal(t, "222ddd", template.Buttons.Items[0].(*URLButton).URL)
+	assert.Equal(t, "Go to website", template.Buttons.Items[0].(*URLButton).Label)
+	assert.Equal(t, ButtonTypePlain, template.Buttons.Items[1].ButtonType())
+	assert.Equal(t, "Yes", template.Buttons.Items[1].(*PlainButton).Label)
+
+	input = `{"footer": "Scooter"}`
+	template = Template{}
+	assert.NoError(t, json.Unmarshal([]byte(input), &template))
+	assert.Nil(t, template.Header)
+	assert.Empty(t, template.Buttons)
 }
diff --git a/v1/template_type.go b/v1/template_type.go
new file mode 100644
index 0000000..bdbd4b4
--- /dev/null
+++ b/v1/template_type.go
@@ -0,0 +1,53 @@
+package v1
+
+import (
+	"bytes"
+	"errors"
+)
+
+type TemplateType uint8
+
+const (
+	TemplateTypeText TemplateType = iota + 1
+	TemplateTypeMedia
+)
+
+var TypeMap = [][]byte{
+	TemplateTypeText:  []byte("text"),
+	TemplateTypeMedia: []byte("media"),
+}
+
+var ErrUnknownTypeValue = errors.New("unknown TemplateType")
+
+func (e TemplateType) MarshalText() (text []byte, err error) {
+	if e.isValid() {
+		return TypeMap[e], nil
+	}
+
+	return nil, ErrUnknownTypeValue
+}
+
+func (e TemplateType) String() string {
+	if e.isValid() {
+		return string(TypeMap[e])
+	}
+
+	panic(ErrUnknownTypeValue)
+}
+
+func (e *TemplateType) UnmarshalText(text []byte) error {
+	for f, v := range TypeMap {
+		if !bytes.Equal(text, v) {
+			continue
+		}
+
+		*e = TemplateType(f)
+		return nil
+	}
+
+	return ErrUnknownTypeValue
+}
+
+func (e TemplateType) isValid() bool {
+	return int(e) < len(TypeMap)
+}
diff --git a/v1/types.go b/v1/types.go
index 567bd77..408f17e 100644
--- a/v1/types.go
+++ b/v1/types.go
@@ -557,15 +557,25 @@ type TransportRequestMeta struct {
 	Timestamp int64  `json:"timestamp"`
 }
 
+type UpdateTemplateRequest struct {
+	Name               string                     `json:"name"`
+	Template           []TemplateItem             `json:"template,omitempty"`
+	Body               string                     `json:"body"`
+	Lang               string                     `json:"lang,omitempty"`
+	Category           string                     `json:"category,omitempty"`
+	Example            *TemplateExample           `json:"example,omitempty"`
+	VerificationStatus TemplateVerificationStatus `json:"verification_status"`
+	RejectionReason    TemplateRejectionReason    `json:"rejection_reason,omitempty"`
+	Header             *TemplateHeader            `json:"header,omitempty"`
+	Footer             string                     `json:"footer,omitempty"`
+	Buttons            *TemplateButtons           `json:"buttons,omitempty"`
+}
+
 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"`
-	Lang               string         `json:"lang,omitempty"`
-	Category           string         `json:"category,omitempty"`
-	RejectionReason    string         `json:"rejection_reason,omitempty"`
-	VerificationStatus string         `json:"verification_status,omitempty"`
+	UpdateTemplateRequest
+
+	Code string       `json:"code"`
+	Type TemplateType `json:"type"`
 }
 
 var ErrInvalidOriginator = errors.New("invalid originator")
@@ -646,14 +656,6 @@ type HeaderParams struct {
 	DocumentURL string   `json:"documentUrl,omitempty"`
 }
 
-const (
-	QuickReplyButton  ButtonType = "QUICK_REPLY"
-	PhoneNumberButton ButtonType = "PHONE_NUMBER"
-	URLButton         ButtonType = "URL"
-)
-
-type ButtonType string
-
 type ButtonParam struct {
 	ButtonType   ButtonType `json:"type"`
 	Text         string     `json:"text,omitempty"`
@@ -661,13 +663,14 @@ type ButtonParam struct {
 }
 
 type TemplateContent struct {
-	Name     string `json:"name"`
-	Lang     string `json:"lang"`
-	Category string `json:"category"`
-	Body     string `json:"body"`
-	Example  struct {
-		Body []string `json:"body"`
-	} `json:"example"`
+	Name     string           `json:"name"`
+	Lang     string           `json:"lang"`
+	Category string           `json:"category"`
+	Body     string           `json:"body"`
+	Header   *TemplateHeader  `json:"header,omitempty"`
+	Footer   string           `json:"footer,omitempty"`
+	Buttons  *TemplateButtons `json:"buttons,omitempty"`
+	Example  *TemplateExample `json:"example,omitempty"`
 }
 
 type TemplateCreateWebhookData struct {
@@ -700,3 +703,12 @@ const (
 	TemplateStatusRejected TemplateVerificationStatus = "rejected"
 	TemplateStatusNew      TemplateVerificationStatus = "new"
 )
+
+type TemplateRejectionReason string
+
+const (
+	ReasonAbusiveContent    TemplateRejectionReason = "abusive_content"
+	ReasonIncorrectCategory TemplateRejectionReason = "incorrect_category"
+	ReasonInvalidFormat     TemplateRejectionReason = "invalid_format"
+	ReasonScam              TemplateRejectionReason = "scam"
+)