diff --git a/README.md b/README.md
index c369d11..7002ff5 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 The official Xendit Go SDK provides a simple and convenient way to call Xendit's REST API
 in applications written in Go.
 
-* Package version: 6.1.0
+* Package version: 6.2.0
 
 # Getting Started
 
diff --git a/client.go b/client.go
index 8614f75..eac1317 100644
--- a/client.go
+++ b/client.go
@@ -154,7 +154,7 @@ func (c *APIClient) PrepareRequest(
 	headerParams["xendit-lib"] = "go"
 
 	// TODO: overwrite this line from buddy pipeline
-	headerParams["xendit-lib-ver"] = "6.1.0"
+	headerParams["xendit-lib-ver"] = "6.2.0"
 
 	var body *bytes.Buffer
 
diff --git a/configuration.go b/configuration.go
index b82a931..13f3dc8 100644
--- a/configuration.go
+++ b/configuration.go
@@ -78,7 +78,7 @@ var Default Configuration = *NewConfiguration()
 func NewConfiguration() *Configuration {
 	cfg := &Configuration{
 		DefaultHeader:    make(map[string]string),
-		UserAgent:        "OpenAPI-Generator/6.1.0/go",
+		UserAgent:        "OpenAPI-Generator/6.2.0/go",
 		Debug:            false,
 		Servers:          ServerConfigurations{
 			{
diff --git a/docs/invoice/ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner.md b/docs/invoice/ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner.md
index 17e4eb1..7d97e20 100644
--- a/docs/invoice/ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner.md
+++ b/docs/invoice/ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner.md
@@ -5,7 +5,7 @@
 | Name | Type | Required | Description | Examples |
 |------------|:-------------:|:-------------:|-------------|:-------------:|
 | **Issuer** | Pointer to **string** |  | The bank code of the installment provider / issuer |  |
-| **AllowedTerms** | Pointer to **float32[]** |  | An array containing list of installment tenor available to choose |  |
+| **Terms** | Pointer to **float32[]** |  | An array containing list of installment tenor available to choose |  |
 
 ## Methods
 
@@ -51,30 +51,30 @@ SetIssuer sets Issuer field to given value.
 
 HasIssuer returns a boolean if a field has been set.
 
-### GetAllowedTerms
+### GetTerms
 
-`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetAllowedTerms() []float32`
+`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetTerms() []float32`
 
-GetAllowedTerms returns the AllowedTerms field if non-nil, zero value otherwise.
+GetTerms returns the Terms field if non-nil, zero value otherwise.
 
-### GetAllowedTermsOk
+### GetTermsOk
 
-`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetAllowedTermsOk() (*[]float32, bool)`
+`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetTermsOk() (*[]float32, bool)`
 
-GetAllowedTermsOk returns a tuple with the AllowedTerms field if it's non-nil, zero value otherwise
+GetTermsOk returns a tuple with the Terms field if it's non-nil, zero value otherwise
 and a boolean to check if the value has been set.
 
-### SetAllowedTerms
+### SetTerms
 
-`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) SetAllowedTerms(v []float32)`
+`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) SetTerms(v []float32)`
 
-SetAllowedTerms sets AllowedTerms field to given value.
+SetTerms sets Terms field to given value.
 
-### HasAllowedTerms
+### HasTerms
 
-`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) HasAllowedTerms() bool`
+`func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) HasTerms() bool`
 
-HasAllowedTerms returns a boolean if a field has been set.
+HasTerms returns a boolean if a field has been set.
 
 
 [[Back to README]](../../README.md)
diff --git a/invoice/model_address_object.go b/invoice/model_address_object.go
index ad771c3..66aec58 100644
--- a/invoice/model_address_object.go
+++ b/invoice/model_address_object.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_alternative_display_item.go b/invoice/model_alternative_display_item.go
index 1c2a892..52497b2 100644
--- a/invoice/model_alternative_display_item.go
+++ b/invoice/model_alternative_display_item.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_bad_request_error.go b/invoice/model_bad_request_error.go
index 64f8601..9c0b22c 100644
--- a/invoice/model_bad_request_error.go
+++ b/invoice/model_bad_request_error.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_bank.go b/invoice/model_bank.go
index acd8f28..dd1c128 100644
--- a/invoice/model_bank.go
+++ b/invoice/model_bank.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_bank_code.go b/invoice/model_bank_code.go
index b4f1a7a..b824a12 100644
--- a/invoice/model_bank_code.go
+++ b/invoice/model_bank_code.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_channel_properties.go b/invoice/model_channel_properties.go
index 24a6477..21c57d7 100644
--- a/invoice/model_channel_properties.go
+++ b/invoice/model_channel_properties.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_channel_properties_cards.go b/invoice/model_channel_properties_cards.go
index 9d8497d..2ae974d 100644
--- a/invoice/model_channel_properties_cards.go
+++ b/invoice/model_channel_properties_cards.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_channel_properties_cards_installment_configuration.go b/invoice/model_channel_properties_cards_installment_configuration.go
index cddbb27..8b1ce97 100644
--- a/invoice/model_channel_properties_cards_installment_configuration.go
+++ b/invoice/model_channel_properties_cards_installment_configuration.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_channel_properties_cards_installment_configuration_allowed_terms_inner.go b/invoice/model_channel_properties_cards_installment_configuration_allowed_terms_inner.go
index 4a42d47..a3973cc 100644
--- a/invoice/model_channel_properties_cards_installment_configuration_allowed_terms_inner.go
+++ b/invoice/model_channel_properties_cards_installment_configuration_allowed_terms_inner.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
@@ -23,7 +23,7 @@ type ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner struct {
 	// The bank code of the installment provider / issuer
 	Issuer *string `json:"issuer,omitempty"`
 	// An array containing list of installment tenor available to choose
-	AllowedTerms []float32 `json:"allowed_terms,omitempty"`
+	Terms []float32 `json:"terms,omitempty"`
 }
 
 // NewChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner instantiates a new ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner object
@@ -75,36 +75,36 @@ func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) SetIss
 	o.Issuer = &v
 }
 
-// GetAllowedTerms returns the AllowedTerms field value if set, zero value otherwise.
-func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetAllowedTerms() []float32 {
-	if o == nil || utils.IsNil(o.AllowedTerms) {
+// GetTerms returns the Terms field value if set, zero value otherwise.
+func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetTerms() []float32 {
+	if o == nil || utils.IsNil(o.Terms) {
 		var ret []float32
 		return ret
 	}
-	return o.AllowedTerms
+	return o.Terms
 }
 
-// GetAllowedTermsOk returns a tuple with the AllowedTerms field value if set, nil otherwise
+// GetTermsOk returns a tuple with the Terms field value if set, nil otherwise
 // and a boolean to check if the value has been set.
-func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetAllowedTermsOk() ([]float32, bool) {
-	if o == nil || utils.IsNil(o.AllowedTerms) {
+func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) GetTermsOk() ([]float32, bool) {
+	if o == nil || utils.IsNil(o.Terms) {
 		return nil, false
 	}
-	return o.AllowedTerms, true
+	return o.Terms, true
 }
 
-// HasAllowedTerms returns a boolean if a field has been set.
-func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) HasAllowedTerms() bool {
-	if o != nil && !utils.IsNil(o.AllowedTerms) {
+// HasTerms returns a boolean if a field has been set.
+func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) HasTerms() bool {
+	if o != nil && !utils.IsNil(o.Terms) {
 		return true
 	}
 
 	return false
 }
 
-// SetAllowedTerms gets a reference to the given []float32 and assigns it to the AllowedTerms field.
-func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) SetAllowedTerms(v []float32) {
-	o.AllowedTerms = v
+// SetTerms gets a reference to the given []float32 and assigns it to the Terms field.
+func (o *ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) SetTerms(v []float32) {
+	o.Terms = v
 }
 
 func (o ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) MarshalJSON() ([]byte, error) {
@@ -120,8 +120,8 @@ func (o ChannelPropertiesCardsInstallmentConfigurationAllowedTermsInner) ToMap()
 	if !utils.IsNil(o.Issuer) {
 		toSerialize["issuer"] = o.Issuer
 	}
-	if !utils.IsNil(o.AllowedTerms) {
-		toSerialize["allowed_terms"] = o.AllowedTerms
+	if !utils.IsNil(o.Terms) {
+		toSerialize["terms"] = o.Terms
 	}
 	return toSerialize, nil
 }
diff --git a/invoice/model_create_invoice_request.go b/invoice/model_create_invoice_request.go
index c97a6c6..e406831 100644
--- a/invoice/model_create_invoice_request.go
+++ b/invoice/model_create_invoice_request.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_customer_object.go b/invoice/model_customer_object.go
index 732ac64..2e01703 100644
--- a/invoice/model_customer_object.go
+++ b/invoice/model_customer_object.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_direct_debit.go b/invoice/model_direct_debit.go
index dfc54bf..d2dba6c 100644
--- a/invoice/model_direct_debit.go
+++ b/invoice/model_direct_debit.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_direct_debit_type.go b/invoice/model_direct_debit_type.go
index 9d27133..a069231 100644
--- a/invoice/model_direct_debit_type.go
+++ b/invoice/model_direct_debit_type.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_ewallet.go b/invoice/model_ewallet.go
index 42c234f..70c076c 100644
--- a/invoice/model_ewallet.go
+++ b/invoice/model_ewallet.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_ewallet_type.go b/invoice/model_ewallet_type.go
index 292f478..7516090 100644
--- a/invoice/model_ewallet_type.go
+++ b/invoice/model_ewallet_type.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_forbidden_error.go b/invoice/model_forbidden_error.go
index 87db775..2e504cb 100644
--- a/invoice/model_forbidden_error.go
+++ b/invoice/model_forbidden_error.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice.go b/invoice/model_invoice.go
index 87e4a33..b7801e4 100644
--- a/invoice/model_invoice.go
+++ b/invoice/model_invoice.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_callback.go b/invoice/model_invoice_callback.go
index a5872d0..23b6d09 100644
--- a/invoice/model_invoice_callback.go
+++ b/invoice/model_invoice_callback.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_callback_item.go b/invoice/model_invoice_callback_item.go
index c8489b0..5325a4a 100644
--- a/invoice/model_invoice_callback_item.go
+++ b/invoice/model_invoice_callback_item.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_client_type.go b/invoice/model_invoice_client_type.go
index 43fd804..7e75ce5 100644
--- a/invoice/model_invoice_client_type.go
+++ b/invoice/model_invoice_client_type.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_currency.go b/invoice/model_invoice_currency.go
index 890140c..b09076d 100644
--- a/invoice/model_invoice_currency.go
+++ b/invoice/model_invoice_currency.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_error404_response_definition.go b/invoice/model_invoice_error404_response_definition.go
index b3d2070..10d66f3 100644
--- a/invoice/model_invoice_error404_response_definition.go
+++ b/invoice/model_invoice_error404_response_definition.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_fee.go b/invoice/model_invoice_fee.go
index 9662e21..84f7529 100644
--- a/invoice/model_invoice_fee.go
+++ b/invoice/model_invoice_fee.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_item.go b/invoice/model_invoice_item.go
index 742b58b..118602b 100644
--- a/invoice/model_invoice_item.go
+++ b/invoice/model_invoice_item.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_not_found_error.go b/invoice/model_invoice_not_found_error.go
index a0d487a..76a68cb 100644
--- a/invoice/model_invoice_not_found_error.go
+++ b/invoice/model_invoice_not_found_error.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_payment_method.go b/invoice/model_invoice_payment_method.go
index d653617..f39a515 100644
--- a/invoice/model_invoice_payment_method.go
+++ b/invoice/model_invoice_payment_method.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_invoice_status.go b/invoice/model_invoice_status.go
index ea4d2d8..4a246f4 100644
--- a/invoice/model_invoice_status.go
+++ b/invoice/model_invoice_status.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_notification_channel.go b/invoice/model_notification_channel.go
index 9fb0f5b..23df15a 100644
--- a/invoice/model_notification_channel.go
+++ b/invoice/model_notification_channel.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_notification_preference.go b/invoice/model_notification_preference.go
index 9aeacf7..9b72bd3 100644
--- a/invoice/model_notification_preference.go
+++ b/invoice/model_notification_preference.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_paylater.go b/invoice/model_paylater.go
index 11cf65b..8d45c1f 100644
--- a/invoice/model_paylater.go
+++ b/invoice/model_paylater.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_paylater_type.go b/invoice/model_paylater_type.go
index 0e4c026..5f104c7 100644
--- a/invoice/model_paylater_type.go
+++ b/invoice/model_paylater_type.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_payment_details.go b/invoice/model_payment_details.go
index 22e3c83..d5fd210 100644
--- a/invoice/model_payment_details.go
+++ b/invoice/model_payment_details.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_qr_code.go b/invoice/model_qr_code.go
index 3483bf2..0a13861 100644
--- a/invoice/model_qr_code.go
+++ b/invoice/model_qr_code.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_qr_code_type.go b/invoice/model_qr_code_type.go
index 3725f19..5a6d4f4 100644
--- a/invoice/model_qr_code_type.go
+++ b/invoice/model_qr_code_type.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_retail_outlet.go b/invoice/model_retail_outlet.go
index fb48fae..49b1f9e 100644
--- a/invoice/model_retail_outlet.go
+++ b/invoice/model_retail_outlet.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_retail_outlet_name.go b/invoice/model_retail_outlet_name.go
index bc61dc8..67e32ff 100644
--- a/invoice/model_retail_outlet_name.go
+++ b/invoice/model_retail_outlet_name.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_server_error.go b/invoice/model_server_error.go
index 3041091..518b92d 100644
--- a/invoice/model_server_error.go
+++ b/invoice/model_server_error.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */
 
 
diff --git a/invoice/model_unauthorized_error.go b/invoice/model_unauthorized_error.go
index 4d5756b..6275abb 100644
--- a/invoice/model_unauthorized_error.go
+++ b/invoice/model_unauthorized_error.go
@@ -3,7 +3,7 @@ xendit-invoice-service
 
 xendit-invoice-service descriptions
 
-API version: 1.8.7
+API version: 1.8.8
 */