diff --git a/services/sqlserverflex/oas_commit b/services/sqlserverflex/oas_commit
index f4e71ced1..69bfa80b3 100644
--- a/services/sqlserverflex/oas_commit
+++ b/services/sqlserverflex/oas_commit
@@ -1 +1 @@
-beeb2da62f7e0fe249320b50f07e328653c67055
+864bdad12a54f612df8fcdb6e41dd2933e94c3af
diff --git a/services/sqlserverflex/v1api/client.go b/services/sqlserverflex/v1api/client.go
index f96509338..d600679dd 100644
--- a/services/sqlserverflex/v1api/client.go
+++ b/services/sqlserverflex/v1api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v2api/client.go b/services/sqlserverflex/v2api/client.go
index 33eedb4e5..e27a1a9f0 100644
--- a/services/sqlserverflex/v2api/client.go
+++ b/services/sqlserverflex/v2api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v3alpha1api/client.go b/services/sqlserverflex/v3alpha1api/client.go
index 8f0b8bf77..1cbd1f4d9 100644
--- a/services/sqlserverflex/v3alpha1api/client.go
+++ b/services/sqlserverflex/v3alpha1api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v3api/client.go b/services/sqlserverflex/v3api/client.go
index c557b6d2d..f543a80a3 100644
--- a/services/sqlserverflex/v3api/client.go
+++ b/services/sqlserverflex/v3api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v3api/model_create_instance_payload.go b/services/sqlserverflex/v3api/model_create_instance_payload.go
index 35a034d08..50992658c 100644
--- a/services/sqlserverflex/v3api/model_create_instance_payload.go
+++ b/services/sqlserverflex/v3api/model_create_instance_payload.go
@@ -27,7 +27,7 @@ type CreateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name    string                       `json:"name"`
 	Network CreateInstancePayloadNetwork `json:"network"`
@@ -145,9 +145,9 @@ func (o *CreateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *CreateInstancePayload) GetLabels() map[string]string {
+func (o *CreateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -155,7 +155,7 @@ func (o *CreateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *CreateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *CreateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -171,8 +171,8 @@ func (o *CreateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *CreateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *CreateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3api/model_get_instance_response.go b/services/sqlserverflex/v3api/model_get_instance_response.go
index b90b9840e..00b3f3e57 100644
--- a/services/sqlserverflex/v3api/model_get_instance_response.go
+++ b/services/sqlserverflex/v3api/model_get_instance_response.go
@@ -32,7 +32,7 @@ type GetInstanceResponse struct {
 	// Whether the instance can be deleted or not.
 	IsDeletable bool `json:"isDeletable"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name     string          `json:"name"`
 	Network  InstanceNetwork `json:"network"`
@@ -229,9 +229,9 @@ func (o *GetInstanceResponse) SetIsDeletable(v bool) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *GetInstanceResponse) GetLabels() map[string]string {
+func (o *GetInstanceResponse) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -239,7 +239,7 @@ func (o *GetInstanceResponse) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *GetInstanceResponse) GetLabelsOk() (*map[string]string, bool) {
+func (o *GetInstanceResponse) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -255,8 +255,8 @@ func (o *GetInstanceResponse) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *GetInstanceResponse) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *GetInstanceResponse) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3api/model_partial_update_instance_payload.go b/services/sqlserverflex/v3api/model_partial_update_instance_payload.go
index ed66ff7dd..2c449fa82 100644
--- a/services/sqlserverflex/v3api/model_partial_update_instance_payload.go
+++ b/services/sqlserverflex/v3api/model_partial_update_instance_payload.go
@@ -25,7 +25,7 @@ type PartialUpdateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId *string `json:"flavorId,omitempty"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name                 *string                              `json:"name,omitempty"`
 	Network              *PartialUpdateInstancePayloadNetwork `json:"network,omitempty"`
@@ -119,9 +119,9 @@ func (o *PartialUpdateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *PartialUpdateInstancePayload) GetLabels() map[string]string {
+func (o *PartialUpdateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -129,7 +129,7 @@ func (o *PartialUpdateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *PartialUpdateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *PartialUpdateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -145,8 +145,8 @@ func (o *PartialUpdateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *PartialUpdateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *PartialUpdateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3api/model_update_instance_payload.go b/services/sqlserverflex/v3api/model_update_instance_payload.go
index d36bc8e39..7da32ebce 100644
--- a/services/sqlserverflex/v3api/model_update_instance_payload.go
+++ b/services/sqlserverflex/v3api/model_update_instance_payload.go
@@ -26,7 +26,7 @@ type UpdateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name    string                       `json:"name"`
 	Network UpdateInstancePayloadNetwork `json:"network"`
@@ -112,9 +112,9 @@ func (o *UpdateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *UpdateInstancePayload) GetLabels() map[string]string {
+func (o *UpdateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -122,7 +122,7 @@ func (o *UpdateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *UpdateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *UpdateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -138,8 +138,8 @@ func (o *UpdateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *UpdateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *UpdateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta1api/client.go b/services/sqlserverflex/v3beta1api/client.go
index 5aafee248..d042d1f5c 100644
--- a/services/sqlserverflex/v3beta1api/client.go
+++ b/services/sqlserverflex/v3beta1api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v3beta1api/model_create_instance_request_payload.go b/services/sqlserverflex/v3beta1api/model_create_instance_request_payload.go
index 3f2750cd1..ea6a6b4fa 100644
--- a/services/sqlserverflex/v3beta1api/model_create_instance_request_payload.go
+++ b/services/sqlserverflex/v3beta1api/model_create_instance_request_payload.go
@@ -27,7 +27,7 @@ type CreateInstanceRequestPayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name    string                              `json:"name"`
 	Network CreateInstanceRequestPayloadNetwork `json:"network"`
@@ -145,9 +145,9 @@ func (o *CreateInstanceRequestPayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *CreateInstanceRequestPayload) GetLabels() map[string]string {
+func (o *CreateInstanceRequestPayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -155,7 +155,7 @@ func (o *CreateInstanceRequestPayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *CreateInstanceRequestPayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *CreateInstanceRequestPayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -171,8 +171,8 @@ func (o *CreateInstanceRequestPayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *CreateInstanceRequestPayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *CreateInstanceRequestPayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta1api/model_get_instance_response.go b/services/sqlserverflex/v3beta1api/model_get_instance_response.go
index 5d2355081..9d6c46d0e 100644
--- a/services/sqlserverflex/v3beta1api/model_get_instance_response.go
+++ b/services/sqlserverflex/v3beta1api/model_get_instance_response.go
@@ -32,7 +32,7 @@ type GetInstanceResponse struct {
 	// Whether the instance can be deleted or not.
 	IsDeletable bool `json:"isDeletable"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name     string          `json:"name"`
 	Network  InstanceNetwork `json:"network"`
@@ -229,9 +229,9 @@ func (o *GetInstanceResponse) SetIsDeletable(v bool) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *GetInstanceResponse) GetLabels() map[string]string {
+func (o *GetInstanceResponse) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -239,7 +239,7 @@ func (o *GetInstanceResponse) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *GetInstanceResponse) GetLabelsOk() (*map[string]string, bool) {
+func (o *GetInstanceResponse) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -255,8 +255,8 @@ func (o *GetInstanceResponse) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *GetInstanceResponse) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *GetInstanceResponse) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta1api/model_update_instance_partially_request_payload.go b/services/sqlserverflex/v3beta1api/model_update_instance_partially_request_payload.go
index e89dd93bf..9b84bdb07 100644
--- a/services/sqlserverflex/v3beta1api/model_update_instance_partially_request_payload.go
+++ b/services/sqlserverflex/v3beta1api/model_update_instance_partially_request_payload.go
@@ -25,7 +25,7 @@ type UpdateInstancePartiallyRequestPayload struct {
 	// The id of the instance flavor.
 	FlavorId *string `json:"flavorId,omitempty"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name                 *string                                       `json:"name,omitempty"`
 	Network              *UpdateInstancePartiallyRequestPayloadNetwork `json:"network,omitempty"`
@@ -120,9 +120,9 @@ func (o *UpdateInstancePartiallyRequestPayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *UpdateInstancePartiallyRequestPayload) GetLabels() map[string]string {
+func (o *UpdateInstancePartiallyRequestPayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -130,7 +130,7 @@ func (o *UpdateInstancePartiallyRequestPayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *UpdateInstancePartiallyRequestPayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *UpdateInstancePartiallyRequestPayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -146,8 +146,8 @@ func (o *UpdateInstancePartiallyRequestPayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *UpdateInstancePartiallyRequestPayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *UpdateInstancePartiallyRequestPayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta1api/model_update_instance_request_payload.go b/services/sqlserverflex/v3beta1api/model_update_instance_request_payload.go
index 9a50fb81e..ceee9aaca 100644
--- a/services/sqlserverflex/v3beta1api/model_update_instance_request_payload.go
+++ b/services/sqlserverflex/v3beta1api/model_update_instance_request_payload.go
@@ -26,7 +26,7 @@ type UpdateInstanceRequestPayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name     string                              `json:"name"`
 	Network  UpdateInstanceRequestPayloadNetwork `json:"network"`
@@ -114,9 +114,9 @@ func (o *UpdateInstanceRequestPayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *UpdateInstanceRequestPayload) GetLabels() map[string]string {
+func (o *UpdateInstanceRequestPayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -124,7 +124,7 @@ func (o *UpdateInstanceRequestPayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *UpdateInstanceRequestPayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *UpdateInstanceRequestPayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -140,8 +140,8 @@ func (o *UpdateInstanceRequestPayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *UpdateInstanceRequestPayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *UpdateInstanceRequestPayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta2api/client.go b/services/sqlserverflex/v3beta2api/client.go
index bf5167619..9f47dcb81 100644
--- a/services/sqlserverflex/v3beta2api/client.go
+++ b/services/sqlserverflex/v3beta2api/client.go
@@ -462,6 +462,15 @@ func (c *APIClient) decode(v interface{}, b []byte, contentType string) (err err
 		*s = string(b)
 		return nil
 	}
+	if r, ok := v.(*io.Reader); ok {
+		*r = bytes.NewReader(b)
+		return nil
+	}
+	// Must stay before the JSON branch: json.Unmarshal would base64-decode into *[]byte.
+	if p, ok := v.(*[]byte); ok {
+		*p = b
+		return nil
+	}
 	if f, ok := v.(*os.File); ok {
 		f, err = os.CreateTemp("", "HttpClientFile")
 		if err != nil {
diff --git a/services/sqlserverflex/v3beta2api/model_create_instance_payload.go b/services/sqlserverflex/v3beta2api/model_create_instance_payload.go
index 8ca148775..a153c5d67 100644
--- a/services/sqlserverflex/v3beta2api/model_create_instance_payload.go
+++ b/services/sqlserverflex/v3beta2api/model_create_instance_payload.go
@@ -27,7 +27,7 @@ type CreateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name    string                       `json:"name"`
 	Network CreateInstancePayloadNetwork `json:"network"`
@@ -145,9 +145,9 @@ func (o *CreateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *CreateInstancePayload) GetLabels() map[string]string {
+func (o *CreateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -155,7 +155,7 @@ func (o *CreateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *CreateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *CreateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -171,8 +171,8 @@ func (o *CreateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *CreateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *CreateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta2api/model_get_instance_response.go b/services/sqlserverflex/v3beta2api/model_get_instance_response.go
index 714b14595..cfc6a706d 100644
--- a/services/sqlserverflex/v3beta2api/model_get_instance_response.go
+++ b/services/sqlserverflex/v3beta2api/model_get_instance_response.go
@@ -32,7 +32,7 @@ type GetInstanceResponse struct {
 	// Whether the instance can be deleted or not.
 	IsDeletable bool `json:"isDeletable"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name     string          `json:"name"`
 	Network  InstanceNetwork `json:"network"`
@@ -229,9 +229,9 @@ func (o *GetInstanceResponse) SetIsDeletable(v bool) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *GetInstanceResponse) GetLabels() map[string]string {
+func (o *GetInstanceResponse) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -239,7 +239,7 @@ func (o *GetInstanceResponse) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *GetInstanceResponse) GetLabelsOk() (*map[string]string, bool) {
+func (o *GetInstanceResponse) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -255,8 +255,8 @@ func (o *GetInstanceResponse) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *GetInstanceResponse) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *GetInstanceResponse) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta2api/model_partial_update_instance_payload.go b/services/sqlserverflex/v3beta2api/model_partial_update_instance_payload.go
index 84061219c..927c6f467 100644
--- a/services/sqlserverflex/v3beta2api/model_partial_update_instance_payload.go
+++ b/services/sqlserverflex/v3beta2api/model_partial_update_instance_payload.go
@@ -25,7 +25,7 @@ type PartialUpdateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId *string `json:"flavorId,omitempty"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name                 *string                              `json:"name,omitempty"`
 	Network              *PartialUpdateInstancePayloadNetwork `json:"network,omitempty"`
@@ -119,9 +119,9 @@ func (o *PartialUpdateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *PartialUpdateInstancePayload) GetLabels() map[string]string {
+func (o *PartialUpdateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -129,7 +129,7 @@ func (o *PartialUpdateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *PartialUpdateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *PartialUpdateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -145,8 +145,8 @@ func (o *PartialUpdateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *PartialUpdateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *PartialUpdateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }
 
diff --git a/services/sqlserverflex/v3beta2api/model_update_instance_payload.go b/services/sqlserverflex/v3beta2api/model_update_instance_payload.go
index e4d1dd40c..f1f4b694e 100644
--- a/services/sqlserverflex/v3beta2api/model_update_instance_payload.go
+++ b/services/sqlserverflex/v3beta2api/model_update_instance_payload.go
@@ -26,7 +26,7 @@ type UpdateInstancePayload struct {
 	// The id of the instance flavor.
 	FlavorId string `json:"flavorId"`
 	// A dictionary of user-defined key-value pairs used to categorize or organize the resource.  **Rules for Keys:** * Must be between 1 and 63 characters long. * Must begin and end with an alphanumeric character (`[a-z0-9A-Z]`). * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{1,63}$)([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]$` * **Restriction:** The prefix `stackit-` is strictly reserved and cannot be used.  **Rules for Values:** * Must be between 0 (empty string) and 63 characters long. * If not empty, must begin and end with an alphanumeric character. * May contain dashes (`-`), underscores (`_`), and dots (`.`). * **Regex:** `^(?=.{0,63}$)(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])*$`
-	Labels *map[string]string `json:"labels,omitempty"`
+	Labels *map[string]*string `json:"labels,omitempty"`
 	// The name of the instance.
 	Name    string                       `json:"name"`
 	Network UpdateInstancePayloadNetwork `json:"network"`
@@ -112,9 +112,9 @@ func (o *UpdateInstancePayload) SetFlavorId(v string) {
 }
 
 // GetLabels returns the Labels field value if set, zero value otherwise.
-func (o *UpdateInstancePayload) GetLabels() map[string]string {
+func (o *UpdateInstancePayload) GetLabels() map[string]*string {
 	if o == nil || IsNil(o.Labels) {
-		var ret map[string]string
+		var ret map[string]*string
 		return ret
 	}
 	return *o.Labels
@@ -122,7 +122,7 @@ func (o *UpdateInstancePayload) GetLabels() map[string]string {
 
 // GetLabelsOk returns a tuple with the Labels field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *UpdateInstancePayload) GetLabelsOk() (*map[string]string, bool) {
+func (o *UpdateInstancePayload) GetLabelsOk() (*map[string]*string, bool) {
 	if o == nil || IsNil(o.Labels) {
 		return nil, false
 	}
@@ -138,8 +138,8 @@ func (o *UpdateInstancePayload) HasLabels() bool {
 	return false
 }
 
-// SetLabels gets a reference to the given map[string]string and assigns it to the Labels field.
-func (o *UpdateInstancePayload) SetLabels(v map[string]string) {
+// SetLabels gets a reference to the given map[string]*string and assigns it to the Labels field.
+func (o *UpdateInstancePayload) SetLabels(v map[string]*string) {
 	o.Labels = &v
 }