diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index c1ce2c41..ad4acf8c 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.36.0"
+  ".": "4.37.0"
 }
diff --git a/.stats.yml b/.stats.yml
index e670c774..6a74fe0f 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,2 +1,2 @@
 configured_endpoints: 97
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-bf3e71b33372f4a9307f4b6cb689ea46b3cf583ecc5d79eee9601cd0b0467c9a.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/orb%2Forb-0f43f737c6520ed2a2407628511350362959997f89a868c50aa38d47d5791171.yml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b6b1c707..22e57a1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # Changelog
 
+## 4.37.0 (2024-11-25)
+
+Full Changelog: [v4.36.0...v4.37.0](https://github.com/orbcorp/orb-node/compare/v4.36.0...v4.37.0)
+
+### Features
+
+* **api:** api update ([#400](https://github.com/orbcorp/orb-node/issues/400)) ([51f7af8](https://github.com/orbcorp/orb-node/commit/51f7af8d42168b2b6a48cc2cba2023c036bed26d))
+
+
+### Chores
+
+* rebuild project due to codegen change ([#397](https://github.com/orbcorp/orb-node/issues/397)) ([1dbe63e](https://github.com/orbcorp/orb-node/commit/1dbe63e53509b3ad4b3a24cc2095d255259dec4c))
+
+
+### Documentation
+
+* remove suggestion to use `npm` call out ([#399](https://github.com/orbcorp/orb-node/issues/399)) ([d329ab8](https://github.com/orbcorp/orb-node/commit/d329ab81a84693cb7e8890bf9726e04f531c9328))
+
 ## 4.36.0 (2024-11-15)
 
 Full Changelog: [v4.35.0...v4.36.0](https://github.com/orbcorp/orb-node/compare/v4.35.0...v4.36.0)
diff --git a/README.md b/README.md
index 77d948a4..98924b37 100644
--- a/README.md
+++ b/README.md
@@ -352,7 +352,7 @@ The following runtimes are supported:
 
 - Web browsers (Up-to-date Chrome, Firefox, Safari, Edge, and more)
 - Node.js 18 LTS or later ([non-EOL](https://endoflife.date/nodejs)) versions.
-- Deno v1.28.0 or higher, using `import Orb from "npm:orb-billing"`.
+- Deno v1.28.0 or higher.
 - Bun 1.0 or later.
 - Cloudflare Workers.
 - Vercel Edge Runtime.
diff --git a/package.json b/package.json
index f132328d..f1d2f869 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "orb-billing",
-  "version": "4.36.0",
+  "version": "4.37.0",
   "description": "The official TypeScript library for the Orb API",
   "author": "Orb <team@withorb.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/subscriptions.ts b/src/resources/subscriptions.ts
index 95c807fa..4978ecb5 100644
--- a/src/resources/subscriptions.ts
+++ b/src/resources/subscriptions.ts
@@ -18360,6 +18360,8 @@ export interface SubscriptionSchedulePlanChangeParams {
    */
   billing_cycle_alignment?: 'unchanged' | 'plan_change_date' | 'start_of_month' | null;
 
+  billing_cycle_anchor_configuration?: SubscriptionSchedulePlanChangeParams.BillingCycleAnchorConfiguration | null;
+
   /**
    * The date that the plan change should take effect. This parameter can only be
    * passed if the `change_option` is `requested_date`.
@@ -20946,6 +20948,29 @@ export namespace SubscriptionSchedulePlanChangeParams {
     }
   }
 
+  export interface BillingCycleAnchorConfiguration {
+    /**
+     * The day of the month on which the billing cycle is anchored. If the maximum
+     * number of days in a month is greater than this value, the last day of the month
+     * is the billing cycle day (e.g. billing_cycle_day=31 for April means the billing
+     * period begins on the 30th.
+     */
+    day: number;
+
+    /**
+     * The month on which the billing cycle is anchored (e.g. a quarterly price
+     * anchored in February would have cycles starting February, May, August, and
+     * November).
+     */
+    month?: number | null;
+
+    /**
+     * The year on which the billing cycle is anchored (e.g. a 2 year billing cycle
+     * anchored on 2021 would have cycles starting on 2021, 2023, 2025, etc.).
+     */
+    year?: number | null;
+  }
+
   export interface RemoveAdjustment {
     /**
      * The id of the adjustment to remove on the subscription.
diff --git a/src/version.ts b/src/version.ts
index 460925ca..33019f3d 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.36.0'; // x-release-please-version
+export const VERSION = '4.37.0'; // x-release-please-version
diff --git a/tests/api-resources/alerts.test.ts b/tests/api-resources/alerts.test.ts
index e99ceca7..1d82b2c8 100644
--- a/tests/api-resources/alerts.test.ts
+++ b/tests/api-resources/alerts.test.ts
@@ -28,9 +28,7 @@ describe('resource alerts', () => {
   });
 
   test('update: only required params', async () => {
-    const responsePromise = client.alerts.update('alert_configuration_id', {
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
-    });
+    const responsePromise = client.alerts.update('alert_configuration_id', { thresholds: [{ value: 0 }] });
     const rawResponse = await responsePromise.asResponse();
     expect(rawResponse).toBeInstanceOf(Response);
     const response = await responsePromise;
@@ -41,9 +39,7 @@ describe('resource alerts', () => {
   });
 
   test('update: required and optional params', async () => {
-    const response = await client.alerts.update('alert_configuration_id', {
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
-    });
+    const response = await client.alerts.update('alert_configuration_id', { thresholds: [{ value: 0 }] });
   });
 
   // plan_version=0 breaks Prism
@@ -103,7 +99,7 @@ describe('resource alerts', () => {
     const response = await client.alerts.createForCustomer('customer_id', {
       currency: 'currency',
       type: 'usage_exceeded',
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
+      thresholds: [{ value: 0 }],
     });
   });
 
@@ -125,13 +121,13 @@ describe('resource alerts', () => {
     const response = await client.alerts.createForExternalCustomer('external_customer_id', {
       currency: 'currency',
       type: 'usage_exceeded',
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
+      thresholds: [{ value: 0 }],
     });
   });
 
   test('createForSubscription: only required params', async () => {
     const responsePromise = client.alerts.createForSubscription('subscription_id', {
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
+      thresholds: [{ value: 0 }],
       type: 'usage_exceeded',
     });
     const rawResponse = await responsePromise.asResponse();
@@ -145,7 +141,7 @@ describe('resource alerts', () => {
 
   test('createForSubscription: required and optional params', async () => {
     const response = await client.alerts.createForSubscription('subscription_id', {
-      thresholds: [{ value: 0 }, { value: 0 }, { value: 0 }],
+      thresholds: [{ value: 0 }],
       type: 'usage_exceeded',
       metric_id: 'metric_id',
     });
diff --git a/tests/api-resources/customers/customers.test.ts b/tests/api-resources/customers/customers.test.ts
index 2ae7d375..abbde7fb 100644
--- a/tests/api-resources/customers/customers.test.ts
+++ b/tests/api-resources/customers/customers.test.ts
@@ -27,12 +27,10 @@ describe('resource customers', () => {
       accounting_sync_configuration: {
         accounting_providers: [
           { external_provider_id: 'external_provider_id', provider_type: 'provider_type' },
-          { external_provider_id: 'external_provider_id', provider_type: 'provider_type' },
-          { external_provider_id: 'external_provider_id', provider_type: 'provider_type' },
         ],
         excluded: true,
       },
-      additional_emails: ['string', 'string', 'string'],
+      additional_emails: ['string'],
       auto_collection: true,
       billing_address: {
         city: 'city',
diff --git a/tests/api-resources/events/events.test.ts b/tests/api-resources/events/events.test.ts
index dff68357..af7321be 100644
--- a/tests/api-resources/events/events.test.ts
+++ b/tests/api-resources/events/events.test.ts
@@ -61,18 +61,6 @@ describe('resource events', () => {
           properties: {},
           timestamp: '2020-12-09T16:09:53Z',
         },
-        {
-          event_name: 'event_name',
-          idempotency_key: 'idempotency_key',
-          properties: {},
-          timestamp: '2020-12-09T16:09:53Z',
-        },
-        {
-          event_name: 'event_name',
-          idempotency_key: 'idempotency_key',
-          properties: {},
-          timestamp: '2020-12-09T16:09:53Z',
-        },
       ],
     });
     const rawResponse = await responsePromise.asResponse();
@@ -95,22 +83,6 @@ describe('resource events', () => {
           customer_id: 'customer_id',
           external_customer_id: 'external_customer_id',
         },
-        {
-          event_name: 'event_name',
-          idempotency_key: 'idempotency_key',
-          properties: {},
-          timestamp: '2020-12-09T16:09:53Z',
-          customer_id: 'customer_id',
-          external_customer_id: 'external_customer_id',
-        },
-        {
-          event_name: 'event_name',
-          idempotency_key: 'idempotency_key',
-          properties: {},
-          timestamp: '2020-12-09T16:09:53Z',
-          customer_id: 'customer_id',
-          external_customer_id: 'external_customer_id',
-        },
       ],
       backfill_id: 'backfill_id',
       debug: true,
diff --git a/tests/api-resources/invoices.test.ts b/tests/api-resources/invoices.test.ts
index 54c45eb8..8cf01698 100644
--- a/tests/api-resources/invoices.test.ts
+++ b/tests/api-resources/invoices.test.ts
@@ -116,7 +116,7 @@ describe('resource invoices', () => {
           'invoice_date[lte]': '2019-12-27T18:11:19.117Z',
           is_recurring: true,
           limit: 1,
-          status: ['draft', 'issued', 'paid'],
+          status: ['draft'],
           subscription_id: 'subscription_id',
         },
         { path: '/_stainless_unknown_path' },
diff --git a/tests/api-resources/subscriptions.test.ts b/tests/api-resources/subscriptions.test.ts
index 302a638a..796d8b3e 100644
--- a/tests/api-resources/subscriptions.test.ts
+++ b/tests/api-resources/subscriptions.test.ts
@@ -59,7 +59,7 @@ describe('resource subscriptions', () => {
           'created_at[lt]': '2019-12-27T18:11:19.117Z',
           'created_at[lte]': '2019-12-27T18:11:19.117Z',
           cursor: 'cursor',
-          customer_id: ['string', 'string', 'string'],
+          customer_id: ['string'],
           external_customer_id: 'external_customer_id',
           limit: 1,
           status: 'active',
@@ -259,26 +259,6 @@ describe('resource subscriptions', () => {
           plan_phase_order: 0,
           start_date: '2019-12-27T18:11:19.117Z',
         },
-        {
-          adjustment: {
-            adjustment_type: 'percentage_discount',
-            applies_to_price_ids: ['price_1', 'price_2'],
-            percentage_discount: 0,
-          },
-          end_date: '2019-12-27T18:11:19.117Z',
-          plan_phase_order: 0,
-          start_date: '2019-12-27T18:11:19.117Z',
-        },
-        {
-          adjustment: {
-            adjustment_type: 'percentage_discount',
-            applies_to_price_ids: ['price_1', 'price_2'],
-            percentage_discount: 0,
-          },
-          end_date: '2019-12-27T18:11:19.117Z',
-          plan_phase_order: 0,
-          start_date: '2019-12-27T18:11:19.117Z',
-        },
       ],
       add_prices: [
         {
@@ -289,112 +269,6 @@ describe('resource subscriptions', () => {
               percentage_discount: 0.15,
               usage_discount: 0,
             },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-          ],
-          end_date: '2019-12-27T18:11:19.117Z',
-          external_price_id: 'external_price_id',
-          maximum_amount: '1.23',
-          minimum_amount: '1.23',
-          plan_phase_order: 0,
-          price: {
-            cadence: 'annual',
-            item_id: 'item_id',
-            model_type: 'unit',
-            name: 'Annual fee',
-            unit_config: { unit_amount: 'unit_amount' },
-            billable_metric_id: 'billable_metric_id',
-            billed_in_advance: true,
-            billing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            conversion_rate: 0,
-            currency: 'currency',
-            external_price_id: 'external_price_id',
-            fixed_price_quantity: 0,
-            invoice_grouping_key: 'invoice_grouping_key',
-            invoicing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            metadata: { foo: 'string' },
-            reference_id: 'reference_id',
-          },
-          price_id: 'h74gfhdjvn7ujokd',
-          start_date: '2019-12-27T18:11:19.117Z',
-        },
-        {
-          discounts: [
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-          ],
-          end_date: '2019-12-27T18:11:19.117Z',
-          external_price_id: 'external_price_id',
-          maximum_amount: '1.23',
-          minimum_amount: '1.23',
-          plan_phase_order: 0,
-          price: {
-            cadence: 'annual',
-            item_id: 'item_id',
-            model_type: 'unit',
-            name: 'Annual fee',
-            unit_config: { unit_amount: 'unit_amount' },
-            billable_metric_id: 'billable_metric_id',
-            billed_in_advance: true,
-            billing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            conversion_rate: 0,
-            currency: 'currency',
-            external_price_id: 'external_price_id',
-            fixed_price_quantity: 0,
-            invoice_grouping_key: 'invoice_grouping_key',
-            invoicing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            metadata: { foo: 'string' },
-            reference_id: 'reference_id',
-          },
-          price_id: 'h74gfhdjvn7ujokd',
-          start_date: '2019-12-27T18:11:19.117Z',
-        },
-        {
-          discounts: [
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
           ],
           end_date: '2019-12-27T18:11:19.117Z',
           external_price_id: 'external_price_id',
@@ -426,6 +300,7 @@ describe('resource subscriptions', () => {
       align_billing_with_plan_change_date: true,
       auto_collection: true,
       billing_cycle_alignment: 'unchanged',
+      billing_cycle_anchor_configuration: { day: 1, month: 1, year: 0 },
       change_date: '2017-07-21T17:32:28Z',
       coupon_redemption_code: 'coupon_redemption_code',
       credits_overage_rate: 0,
@@ -437,17 +312,9 @@ describe('resource subscriptions', () => {
       per_credit_overage_amount: 0,
       plan_id: 'ZMwNQefe7J3ecf7W',
       plan_version_number: 0,
-      price_overrides: [{}, {}, {}],
-      remove_adjustments: [
-        { adjustment_id: 'h74gfhdjvn7ujokd' },
-        { adjustment_id: 'h74gfhdjvn7ujokd' },
-        { adjustment_id: 'h74gfhdjvn7ujokd' },
-      ],
-      remove_prices: [
-        { external_price_id: 'external_price_id', price_id: 'h74gfhdjvn7ujokd' },
-        { external_price_id: 'external_price_id', price_id: 'h74gfhdjvn7ujokd' },
-        { external_price_id: 'external_price_id', price_id: 'h74gfhdjvn7ujokd' },
-      ],
+      price_overrides: [{}],
+      remove_adjustments: [{ adjustment_id: 'h74gfhdjvn7ujokd' }],
+      remove_prices: [{ external_price_id: 'external_price_id', price_id: 'h74gfhdjvn7ujokd' }],
       replace_adjustments: [
         {
           adjustment: {
@@ -457,22 +324,6 @@ describe('resource subscriptions', () => {
           },
           replaces_adjustment_id: 'replaces_adjustment_id',
         },
-        {
-          adjustment: {
-            adjustment_type: 'percentage_discount',
-            applies_to_price_ids: ['price_1', 'price_2'],
-            percentage_discount: 0,
-          },
-          replaces_adjustment_id: 'replaces_adjustment_id',
-        },
-        {
-          adjustment: {
-            adjustment_type: 'percentage_discount',
-            applies_to_price_ids: ['price_1', 'price_2'],
-            percentage_discount: 0,
-          },
-          replaces_adjustment_id: 'replaces_adjustment_id',
-        },
       ],
       replace_prices: [
         {
@@ -484,110 +335,6 @@ describe('resource subscriptions', () => {
               percentage_discount: 0.15,
               usage_discount: 0,
             },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-          ],
-          external_price_id: 'external_price_id',
-          fixed_price_quantity: 2,
-          maximum_amount: '1.23',
-          minimum_amount: '1.23',
-          price: {
-            cadence: 'annual',
-            item_id: 'item_id',
-            model_type: 'unit',
-            name: 'Annual fee',
-            unit_config: { unit_amount: 'unit_amount' },
-            billable_metric_id: 'billable_metric_id',
-            billed_in_advance: true,
-            billing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            conversion_rate: 0,
-            currency: 'currency',
-            external_price_id: 'external_price_id',
-            fixed_price_quantity: 0,
-            invoice_grouping_key: 'invoice_grouping_key',
-            invoicing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            metadata: { foo: 'string' },
-            reference_id: 'reference_id',
-          },
-          price_id: 'h74gfhdjvn7ujokd',
-        },
-        {
-          replaces_price_id: 'replaces_price_id',
-          discounts: [
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-          ],
-          external_price_id: 'external_price_id',
-          fixed_price_quantity: 2,
-          maximum_amount: '1.23',
-          minimum_amount: '1.23',
-          price: {
-            cadence: 'annual',
-            item_id: 'item_id',
-            model_type: 'unit',
-            name: 'Annual fee',
-            unit_config: { unit_amount: 'unit_amount' },
-            billable_metric_id: 'billable_metric_id',
-            billed_in_advance: true,
-            billing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            conversion_rate: 0,
-            currency: 'currency',
-            external_price_id: 'external_price_id',
-            fixed_price_quantity: 0,
-            invoice_grouping_key: 'invoice_grouping_key',
-            invoicing_cycle_configuration: { duration: 0, duration_unit: 'day' },
-            metadata: { foo: 'string' },
-            reference_id: 'reference_id',
-          },
-          price_id: 'h74gfhdjvn7ujokd',
-        },
-        {
-          replaces_price_id: 'replaces_price_id',
-          discounts: [
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
-            {
-              discount_type: 'percentage',
-              amount_discount: 'amount_discount',
-              percentage_discount: 0.15,
-              usage_discount: 0,
-            },
           ],
           external_price_id: 'external_price_id',
           fixed_price_quantity: 2,