diff --git a/internal/translate/apertium/translator.go b/internal/translate/apertium/translator.go
index 0d10f71..b694d52 100644
--- a/internal/translate/apertium/translator.go
+++ b/internal/translate/apertium/translator.go
@@ -16,6 +16,7 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
@@ -23,15 +24,13 @@ type Translator struct {
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("Apertium"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }
diff --git a/internal/translate/argos/translator.go b/internal/translate/argos/translator.go
index 1a978d1..1547647 100644
--- a/internal/translate/argos/translator.go
+++ b/internal/translate/argos/translator.go
@@ -16,6 +16,7 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
@@ -23,15 +24,13 @@ type Translator struct {
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("Argos"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }
diff --git a/internal/translate/bing/translator.go b/internal/translate/bing/translator.go
index a82e67d..4d9e3fd 100644
--- a/internal/translate/bing/translator.go
+++ b/internal/translate/bing/translator.go
@@ -25,6 +25,7 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
@@ -39,15 +40,13 @@ type setUpData struct {
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("Bing"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }
diff --git a/internal/translate/chatgpt/translator.go b/internal/translate/chatgpt/translator.go
index 687c5d7..dee3c30 100644
--- a/internal/translate/chatgpt/translator.go
+++ b/internal/translate/chatgpt/translator.go
@@ -16,24 +16,21 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
-	apiKey string
 }
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("ChatGPT"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-	t.apiKey = key
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }
@@ -42,7 +39,7 @@ func (t *Translator) Translate(message string) (translation *core.Translation, e
 	translation = new(core.Translation)
 	var data map[string]interface{}
 
-	if len(t.apiKey) <= 0 {
+	if len(t.GetAPIKey()) <= 0 {
 		return nil, errors.New("Please write your API Key in config file for " + t.GetEngineName())
 	}
 
@@ -64,7 +61,7 @@ func (t *Translator) Translate(message string) (translation *core.Translation, e
 		bytes.NewBuffer(userData),
 	)
 	req.Header.Add("Content-Type", "application/json")
-	req.Header.Add("Authorization", "Bearer "+t.apiKey)
+	req.Header.Add("Authorization", "Bearer "+t.GetAPIKey())
 	res, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return nil, err
diff --git a/internal/translate/core/apikey.go b/internal/translate/core/apikey.go
new file mode 100644
index 0000000..9208a34
--- /dev/null
+++ b/internal/translate/core/apikey.go
@@ -0,0 +1,13 @@
+package core
+
+type APIKey struct {
+	key string
+}
+
+func (k *APIKey) SetAPIKey(key string) {
+	k.key = key
+}
+
+func (k *APIKey) GetAPIKey() string {
+	return k.key
+}
diff --git a/internal/translate/google/translator.go b/internal/translate/google/translator.go
index acca491..f48f056 100644
--- a/internal/translate/google/translator.go
+++ b/internal/translate/google/translator.go
@@ -20,6 +20,7 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
@@ -27,15 +28,13 @@ type Translator struct {
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("Google"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }
diff --git a/internal/translate/reverso/translator.go b/internal/translate/reverso/translator.go
index 97324a5..d0815e2 100644
--- a/internal/translate/reverso/translator.go
+++ b/internal/translate/reverso/translator.go
@@ -22,6 +22,7 @@ const (
 )
 
 type Translator struct {
+	*core.APIKey
 	*core.Language
 	*core.TTSLock
 	core.EngineName
@@ -29,15 +30,13 @@ type Translator struct {
 
 func NewTranslator() *Translator {
 	return &Translator{
+		APIKey:     new(core.APIKey),
 		Language:   new(core.Language),
 		TTSLock:    core.NewTTSLock(),
 		EngineName: core.NewEngineName("Reverso"),
 	}
 }
 
-func (t *Translator) SetAPIKey(key string) {
-}
-
 func (t *Translator) GetAllLang() []string {
 	return lang
 }