Update generated code for beta

OPENAPI_VERSION

@@ -1 +1 @@
-v2025
+v2026

src/Stripe.net/Entities/Invoices/InvoiceParent.cs

@@ -8,6 +8,15 @@ namespace Stripe
 
     public class InvoiceParent : StripeEntity<InvoiceParent>
     {
+        /// <summary>
+        /// Details about the billing cadence that generated this invoice.
+        /// </summary>
+        [JsonProperty("billing_cadence_details")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence_details")]
+#endif
+        public InvoiceParentBillingCadenceDetails BillingCadenceDetails { get; set; }
+
         /// <summary>
         /// Details about the quote that generated this invoice.
         /// </summary>
@@ -28,7 +37,8 @@ public class InvoiceParent : StripeEntity<InvoiceParent>
 
         /// <summary>
         /// The type of parent that generated this invoice.
-        /// One of: <c>quote_details</c>, or <c>subscription_details</c>.
+        /// One of: <c>billing_cadence_details</c>, <c>quote_details</c>, or
+        /// <c>subscription_details</c>.
         /// </summary>
         [JsonProperty("type")]
 #if NET6_0_OR_GREATER

src/Stripe.net/Entities/Invoices/InvoiceParentBillingCadenceDetails.cs

@@ -0,0 +1,20 @@
+// File generated from our OpenAPI spec
+namespace Stripe
+{
+    using Newtonsoft.Json;
+#if NET6_0_OR_GREATER
+    using STJS = System.Text.Json.Serialization;
+#endif
+
+    public class InvoiceParentBillingCadenceDetails : StripeEntity<InvoiceParentBillingCadenceDetails>
+    {
+        /// <summary>
+        /// The billing cadence that generated this invoice.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+    }
+}

src/Stripe.net/Entities/QuotePreviewInvoices/QuotePreviewInvoiceParent.cs

@@ -8,6 +8,15 @@ namespace Stripe
 
     public class QuotePreviewInvoiceParent : StripeEntity<QuotePreviewInvoiceParent>
     {
+        /// <summary>
+        /// Details about the billing cadence that generated this invoice.
+        /// </summary>
+        [JsonProperty("billing_cadence_details")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence_details")]
+#endif
+        public QuotePreviewInvoiceParentBillingCadenceDetails BillingCadenceDetails { get; set; }
+
         /// <summary>
         /// Details about the quote that generated this invoice.
         /// </summary>
@@ -28,7 +37,8 @@ public class QuotePreviewInvoiceParent : StripeEntity<QuotePreviewInvoiceParent>
 
         /// <summary>
         /// The type of parent that generated this invoice.
-        /// One of: <c>quote_details</c>, or <c>subscription_details</c>.
+        /// One of: <c>billing_cadence_details</c>, <c>quote_details</c>, or
+        /// <c>subscription_details</c>.
         /// </summary>
         [JsonProperty("type")]
 #if NET6_0_OR_GREATER

src/Stripe.net/Entities/QuotePreviewInvoices/QuotePreviewInvoiceParentBillingCadenceDetails.cs

@@ -0,0 +1,20 @@
+// File generated from our OpenAPI spec
+namespace Stripe
+{
+    using Newtonsoft.Json;
+#if NET6_0_OR_GREATER
+    using STJS = System.Text.Json.Serialization;
+#endif
+
+    public class QuotePreviewInvoiceParentBillingCadenceDetails : StripeEntity<QuotePreviewInvoiceParentBillingCadenceDetails>
+    {
+        /// <summary>
+        /// The billing cadence that generated this invoice.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+    }
+}

src/Stripe.net/Entities/Subscriptions/Subscription.cs

@@ -97,6 +97,19 @@ public Application Application
 #endif
         public SubscriptionAutomaticTax AutomaticTax { get; set; }
 
+        /// <summary>
+        /// The Billing Cadence which controls the timing of recurring invoice generation for this
+        /// subscription.If unset, the subscription will bill according to its own configured
+        /// schedule and create its own invoices.If set, this subscription will be billed by the
+        /// cadence instead, potentially sharing invoices with the other subscriptions linked to
+        /// that Cadence.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+
         /// <summary>
         /// The reference point that aligns future <a
         /// href="https://stripe.com/docs/subscriptions/billing-cycle">billing cycle</a> dates. It

src/Stripe.net/Services/Invoices/InvoiceCreatePreviewOptions.cs

@@ -18,6 +18,17 @@ public class InvoiceCreatePreviewOptions : BaseOptions
 #endif
         public InvoiceAutomaticTaxOptions AutomaticTax { get; set; }
 
+        /// <summary>
+        /// The identifier of the billing cadence for which you’d like to retrieve the upcoming
+        /// invoice.Cannot be provided when <c>subscription</c>, <c>schedule</c>,
+        /// <c>subscription_details</c> or <c>schedule_details</c> are provided.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+
         /// <summary>
         /// The currency to preview this invoice in. Defaults to that of <c>customer</c> if not
         /// specified.

src/Stripe.net/Services/Subscriptions/SubscriptionAttachCadenceOptions.cs

@@ -0,0 +1,24 @@
+// File generated from our OpenAPI spec
+namespace Stripe
+{
+    using Newtonsoft.Json;
+#if NET6_0_OR_GREATER
+    using STJS = System.Text.Json.Serialization;
+#endif
+
+    public class SubscriptionAttachCadenceOptions : BaseOptions
+    {
+        /// <summary>
+        /// The Billing Cadence which controls the timing of recurring invoice generation for this
+        /// subscription. If unset, the subscription will bill according to its own configured
+        /// schedule and create its own invoices. If set, this subscription will be billed by the
+        /// cadence instead, potentially sharing invoices with the other subscriptions linked to
+        /// that Cadence.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+    }
+}

src/Stripe.net/Services/Subscriptions/SubscriptionCreateOptions.cs

@@ -57,6 +57,19 @@ public class SubscriptionCreateOptions : BaseOptions, IHasMetadata
 #endif
         public DateTime? BackdateStartDate { get; set; }
 
+        /// <summary>
+        /// The Billing Cadence which controls the timing of recurring invoice generation for this
+        /// subscription. If unset, the subscription will bill according to its own configured
+        /// schedule and create its own invoices. If set, this subscription will be billed by the
+        /// cadence instead, potentially sharing invoices with the other subscriptions linked to
+        /// that Cadence.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+
         /// <summary>
         /// A future timestamp in UTC format to anchor the subscription's <a
         /// href="https://stripe.com/docs/subscriptions/billing-cycle">billing cycle</a>. The anchor

src/Stripe.net/Services/Subscriptions/SubscriptionService.cs

@@ -29,6 +29,26 @@ public SubscriptionService(IStripeClient client)
         {
         }
 
+        /// <summary>
+        /// <p>Attach a Billing Cadence to an existing subscription. When attached, the subscription
+        /// is billed by the Billing Cadence, potentially sharing invoices with the other
+        /// subscriptions linked to the Billing Cadence.</p>.
+        /// </summary>
+        public virtual Subscription AttachCadence(string id, SubscriptionAttachCadenceOptions options = null, RequestOptions requestOptions = null)
+        {
+            return this.Request<Subscription>(BaseAddress.Api, HttpMethod.Post, $"/v1/subscriptions/{WebUtility.UrlEncode(id)}/attach_cadence", options, requestOptions);
+        }
+
+        /// <summary>
+        /// <p>Attach a Billing Cadence to an existing subscription. When attached, the subscription
+        /// is billed by the Billing Cadence, potentially sharing invoices with the other
+        /// subscriptions linked to the Billing Cadence.</p>.
+        /// </summary>
+        public virtual Task<Subscription> AttachCadenceAsync(string id, SubscriptionAttachCadenceOptions options = null, RequestOptions requestOptions = null, CancellationToken cancellationToken = default)
+        {
+            return this.RequestAsync<Subscription>(BaseAddress.Api, HttpMethod.Post, $"/v1/subscriptions/{WebUtility.UrlEncode(id)}/attach_cadence", options, requestOptions, cancellationToken);
+        }
+
         /// <summary>
         /// <p>Cancels a customer’s subscription immediately. The customer won’t be charged again
         /// for the subscription. After it’s canceled, you can no longer update the subscription or

src/Stripe.net/Services/Subscriptions/SubscriptionUpdateOptions.cs

@@ -45,6 +45,19 @@ public class SubscriptionUpdateOptions : BaseOptions, IHasMetadata
 #endif
         public SubscriptionAutomaticTaxOptions AutomaticTax { get; set; }
 
+        /// <summary>
+        /// The Billing Cadence which controls the timing of recurring invoice generation for this
+        /// subscription. If unset, the subscription will bill according to its own configured
+        /// schedule and create its own invoices. If set, this subscription will be billed by the
+        /// cadence instead, potentially sharing invoices with the other subscriptions linked to
+        /// that Cadence.
+        /// </summary>
+        [JsonProperty("billing_cadence")]
+#if NET6_0_OR_GREATER
+        [STJS.JsonPropertyName("billing_cadence")]
+#endif
+        public string BillingCadence { get; set; }
+
         /// <summary>
         /// Either <c>now</c> or <c>unchanged</c>. Setting the value to <c>now</c> resets the
         /// subscription's billing cycle anchor to the current time (in UTC). For more information,