diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b6383a..d2e65b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 All changes to this project will be documented in this file.
 
+## [1.2.5] - 2022-07-05
+- Add SDK origin header
+
 ## [1.2.4] - 2022-04-01
 - Fix nullable fields in `status` endpoint result
 
diff --git a/api_videos_test.go b/api_videos_test.go
index cb14fc8..5ceed07 100644
--- a/api_videos_test.go
+++ b/api_videos_test.go
@@ -421,26 +421,45 @@ func skipIfNoApiKey(t *testing.T) {
 
 func createRealClient() *Client {
 	return (&Builder{
-		baseURL:         os.Getenv("BASE_URI"),
-		uploadChunkSize: minChunkSize,
-		apiKey:          os.Getenv("API_KEY"),
-		applicationName: "client-integration-tests",
+		baseURL:            os.Getenv("BASE_URI"),
+		uploadChunkSize:    minChunkSize,
+		apiKey:             os.Getenv("API_KEY"),
+		applicationName:    "client-integration-tests",
+		applicationVersion: "0",
 	}).Build()
 }
 
-func TestVideos_BadApplicationName(t *testing.T) {
+func TestVideos_BadApplicationNameOrVersion(t *testing.T) {
 	cl := ClientBuilder("a").ApplicationName("bad application name").Build()
 
 	_, err := cl.Videos.Create(VideoCreationPayload{Title: "Upload stream GO"})
 
-	if err == nil {
+	if err == nil || err.Error() != "Invalid name value. Allowed characters: A-Z, a-z, 0-9, '-', '_'. Max length: 50." {
 		t.Errorf("Application name validation should failed when invalid characters are used")
 	}
 
-	_, err2 := cl.Videos.Create(VideoCreationPayload{Title: "012345678901234567890123456789012345678901234567891"})
+	cl2 := ClientBuilder("a").ApplicationName("applicationname").ApplicationVersion("0 1").Build()
+	_, err2 := cl2.Videos.Create(VideoCreationPayload{Title: "test"})
 
-	if err2 == nil {
-		t.Errorf("Application name validation should failed when too long")
+	if err == nil || err2.Error() != "Invalid version value. The version should match the xxx[.yyy][.zzz] pattern." {
+		t.Errorf("Application version validation should failed when invalid characters are used")
+	}
+}
+
+func TestVideos_BadSdkNameOrVersion(t *testing.T) {
+	cl := ClientBuilder("a").SdkName("bad sdk name").Build()
+
+	_, err := cl.Videos.Create(VideoCreationPayload{Title: "Upload stream GO"})
+
+	if err == nil || err.Error() != "Invalid name value. Allowed characters: A-Z, a-z, 0-9, '-', '_'. Max length: 50." {
+		t.Errorf("Sdk name validation should failed when invalid characters are used")
+	}
+
+	cl2 := ClientBuilder("a").SdkName("applicationname").SdkVersion("0 1").Build()
+	_, err2 := cl2.Videos.Create(VideoCreationPayload{Title: "test"})
+
+	if err == nil || err2.Error() != "Invalid version value. The version should match the xxx[.yyy][.zzz] pattern." {
+		t.Errorf("Sdk version validation should failed when invalid characters are used")
 	}
 }
 
diff --git a/client.go b/client.go
index 31cd7a2..a89a63d 100644
--- a/client.go
+++ b/client.go
@@ -27,6 +27,8 @@ type Client struct {
 	Token              *Token
 	applicationName    string
 	applicationVersion string
+	sdkName            string
+	sdkVersion         string
 
 	Authentication AuthenticationServiceI
 	Captions       CaptionsServiceI
@@ -88,6 +90,8 @@ type Builder struct {
 	httpClient         Doer
 	applicationName    string
 	applicationVersion string
+	sdkName            string
+	sdkVersion         string
 }
 
 func (cb *Builder) BaseURL(url string) *Builder {
@@ -110,6 +114,16 @@ func (cb *Builder) ApplicationVersion(applicationVersion string) *Builder {
 	return cb
 }
 
+func (cb *Builder) SdkName(sdkName string) *Builder {
+	cb.sdkName = sdkName
+	return cb
+}
+
+func (cb *Builder) SdkVersion(sdkVersion string) *Builder {
+	cb.sdkVersion = sdkVersion
+	return cb
+}
+
 func (cb *Builder) UploadChunkSize(size int64) *Builder {
 	if size < minChunkSize {
 		cb.uploadChunkSize = minChunkSize
@@ -159,6 +173,8 @@ func (cb *Builder) Build() *Client {
 		chunkSize:          cb.uploadChunkSize,
 		applicationName:    cb.applicationName,
 		applicationVersion: cb.applicationVersion,
+		sdkName:            cb.sdkName,
+		sdkVersion:         cb.sdkVersion,
 	}
 
 	c.Authentication = &AuthenticationService{client: c}
@@ -223,7 +239,7 @@ func (c *Client) prepareRequest(
 	req.Header.Set("Accept", "application/json")
 	req.Header.Set("Content-Type", "application/json")
 
-	originAppHeaderValue, err := getOriginAppHeaderValue(c.applicationName, c.applicationVersion)
+	originAppHeaderValue, err := getOriginHeaderValue(c.applicationName, c.applicationVersion)
 	if err != nil {
 		return nil, err
 	}
@@ -231,7 +247,15 @@ func (c *Client) prepareRequest(
 		req.Header.Set("AV-Origin-App", originAppHeaderValue)
 	}
 
-	req.Header.Set("AV-Origin-Client", "go:1.2.4")
+	originSdkHeaderValue, err := getOriginHeaderValue(c.sdkName, c.sdkVersion)
+	if err != nil {
+		return nil, err
+	}
+	if originSdkHeaderValue != "" {
+		req.Header.Set("AV-Origin-Sdk", originSdkHeaderValue)
+	}
+
+	req.Header.Set("AV-Origin-Client", "go:1.2.5")
 
 	for headerName := range headerParams {
 		req.Header.Set(headerName, headerParams[headerName])
@@ -247,27 +271,21 @@ func (c *Client) prepareRequest(
 	return req, nil
 }
 
-func getOriginAppHeaderValue(applicationName string, applicationVersion string) (string, error) {
-	if applicationName == "" {
-		if applicationVersion != "" {
-			return "", errors.New("applicationName is mandatory when applicationVersion is set.")
-		}
+func getOriginHeaderValue(name string, version string) (string, error) {
+	if name == "" && version == "" {
 		return "", nil
 	}
 	var re = regexp.MustCompile(`(?m)^[\w-]{1,50}$`)
-	if !re.MatchString(applicationName) {
-		return "", errors.New("Invalid applicationName value. Allowed characters: A-Z, a-z, 0-9, '-', '_'. Max length: 50.")
+	if !re.MatchString(name) {
+		return "", errors.New("Invalid name value. Allowed characters: A-Z, a-z, 0-9, '-', '_'. Max length: 50.")
 	}
 
-	if applicationVersion != "" {
-		var reVersion = regexp.MustCompile(`(?m)^\d{1,3}(\.\d{1,3}(\.\d{1,3})?)?$`)
-		if !reVersion.MatchString(applicationVersion) {
-			return "", errors.New("Invalid applicationVersion value. The version should match the xxx[.yyy][.zzz] pattern.")
-		}
-
-		return applicationName + ":" + applicationVersion, nil
+	var reVersion = regexp.MustCompile(`(?m)^\d{1,3}(\.\d{1,3}(\.\d{1,3})?)?$`)
+	if !reVersion.MatchString(version) {
+		return "", errors.New("Invalid version value. The version should match the xxx[.yyy][.zzz] pattern.")
 	}
-	return applicationName, nil
+
+	return name + ":" + version, nil
 }
 
 func (c *Client) prepareProgressiveUploadRequest(
@@ -495,7 +513,7 @@ func (c *Client) auth(req *http.Request) (*http.Request, error) {
 		req.Header.Set("Accept", "application/json")
 		req.Header.Set("Content-Type", "application/json")
 
-		originAppHeaderValue, err := getOriginAppHeaderValue(c.applicationName, c.applicationVersion)
+		originAppHeaderValue, err := getOriginHeaderValue(c.applicationName, c.applicationVersion)
 		if err != nil {
 			return nil, err
 		}
@@ -504,6 +522,16 @@ func (c *Client) auth(req *http.Request) (*http.Request, error) {
 		}
 		req.Header.Set("AV-Origin-Client", "go:1.2.4")
 
+		originSdkHeaderValue, err := getOriginHeaderValue(c.sdkName, c.sdkVersion)
+		if err != nil {
+			return nil, err
+		}
+		if originSdkHeaderValue != "" {
+			req.Header.Set("AV-Origin-Sdk", originSdkHeaderValue)
+		}
+
+		req.Header.Set("AV-Origin-Client", "go:1.2.5")
+
 		resp, err := c.httpClient.Do(req)
 
 		if err != nil {