diff --git a/openapi/spec3.beta.sdk.json b/openapi/spec3.beta.sdk.json
index cd16c0c5..8ee8d1e0 100644
--- a/openapi/spec3.beta.sdk.json
+++ b/openapi/spec3.beta.sdk.json
@@ -138838,7 +138838,6 @@
             "style": "form"
           },
           {
-            "description": "Tax Transaction ID.",
             "in": "path",
             "name": "transaction",
             "required": true,
diff --git a/openapi/spec3.beta.sdk.yaml b/openapi/spec3.beta.sdk.yaml
index 8af27f86..ee38cb33 100644
--- a/openapi/spec3.beta.sdk.yaml
+++ b/openapi/spec3.beta.sdk.yaml
@@ -131163,8 +131163,7 @@ paths:
             maxLength: 500
             type: string
           style: form
-        - description: Tax Transaction ID.
-          in: path
+        - in: path
           name: transaction
           required: true
           schema:
diff --git a/openapi/spec3.json b/openapi/spec3.json
index 05c88e48..e068356e 100644
--- a/openapi/spec3.json
+++ b/openapi/spec3.json
@@ -4075,6 +4075,15 @@
             "nullable": true,
             "type": "string"
           },
+          "currency_conversion": {
+            "anyOf": [
+              {
+                "$ref": "#/components/schemas/payment_pages_checkout_session_currency_conversion"
+              }
+            ],
+            "description": "Currency conversion details for automatic currency conversion sessions",
+            "nullable": true
+          },
           "custom_fields": {
             "description": "Collect additional information from your customer using custom fields. Up to 2 fields are supported.",
             "items": {
@@ -4516,6 +4525,7 @@
           "automatic_tax",
           "consent",
           "consent_collection",
+          "currency_conversion",
           "custom_fields",
           "custom_text",
           "customer",
@@ -25475,6 +25485,38 @@
         "type": "object",
         "x-expandableFields": []
       },
+      "payment_pages_checkout_session_currency_conversion": {
+        "description": "",
+        "properties": {
+          "amount_subtotal": {
+            "description": "Total of all items in source currency before discounts or taxes are applied.",
+            "type": "integer"
+          },
+          "amount_total": {
+            "description": "Total of all items in source currency after discounts and taxes are applied.",
+            "type": "integer"
+          },
+          "fx_rate": {
+            "description": "Exchange rate used to convert source currency amounts to customer currency amounts",
+            "format": "decimal",
+            "type": "string"
+          },
+          "source_currency": {
+            "description": "Creation currency of the CheckoutSession before localization",
+            "maxLength": 5000,
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount_subtotal",
+          "amount_total",
+          "fx_rate",
+          "source_currency"
+        ],
+        "title": "PaymentPagesCheckoutSessionCurrencyConversion",
+        "type": "object",
+        "x-expandableFields": []
+      },
       "payment_pages_checkout_session_custom_fields": {
         "description": "",
         "properties": {
diff --git a/openapi/spec3.sdk.json b/openapi/spec3.sdk.json
index c0ab2b9d..ae16177e 100644
--- a/openapi/spec3.sdk.json
+++ b/openapi/spec3.sdk.json
@@ -4980,6 +4980,15 @@
             "nullable": true,
             "type": "string"
           },
+          "currency_conversion": {
+            "anyOf": [
+              {
+                "$ref": "#/components/schemas/payment_pages_checkout_session_currency_conversion"
+              }
+            ],
+            "description": "Currency conversion details for automatic currency conversion sessions",
+            "nullable": true
+          },
           "custom_fields": {
             "description": "Collect additional information from your customer using custom fields. Up to 2 fields are supported.",
             "items": {
@@ -5453,6 +5462,7 @@
           "automatic_tax",
           "consent",
           "consent_collection",
+          "currency_conversion",
           "custom_fields",
           "custom_text",
           "customer",
@@ -5521,6 +5531,7 @@
             "payment_pages_checkout_session_automatic_tax",
             "payment_pages_checkout_session_consent",
             "payment_pages_checkout_session_consent_collection",
+            "payment_pages_checkout_session_currency_conversion",
             "payment_pages_checkout_session_custom_fields",
             "payment_pages_checkout_session_custom_text",
             "payment_pages_checkout_session_customer_details",
@@ -30895,6 +30906,42 @@
           "in_class": "checkout.session"
         }
       },
+      "payment_pages_checkout_session_currency_conversion": {
+        "description": "",
+        "properties": {
+          "amount_subtotal": {
+            "description": "Total of all items in source currency before discounts or taxes are applied.",
+            "type": "integer"
+          },
+          "amount_total": {
+            "description": "Total of all items in source currency after discounts and taxes are applied.",
+            "type": "integer"
+          },
+          "fx_rate": {
+            "description": "Exchange rate used to convert source currency amounts to customer currency amounts",
+            "format": "decimal",
+            "type": "string"
+          },
+          "source_currency": {
+            "description": "Creation currency of the CheckoutSession before localization",
+            "maxLength": 5000,
+            "type": "string"
+          }
+        },
+        "required": [
+          "amount_subtotal",
+          "amount_total",
+          "fx_rate",
+          "source_currency"
+        ],
+        "title": "PaymentPagesCheckoutSessionCurrencyConversion",
+        "type": "object",
+        "x-expandableFields": [],
+        "x-stripeResource": {
+          "class_name": "CurrencyConversion",
+          "in_class": "checkout.session"
+        }
+      },
       "payment_pages_checkout_session_custom_fields": {
         "description": "",
         "properties": {
diff --git a/openapi/spec3.sdk.yaml b/openapi/spec3.sdk.yaml
index cb2a72d8..3ac841a1 100644
--- a/openapi/spec3.sdk.yaml
+++ b/openapi/spec3.sdk.yaml
@@ -4672,6 +4672,14 @@ components:
             currency](https://stripe.com/docs/currencies).
           nullable: true
           type: string
+        currency_conversion:
+          anyOf:
+            - $ref: >-
+                #/components/schemas/payment_pages_checkout_session_currency_conversion
+          description: >-
+            Currency conversion details for automatic currency conversion
+            sessions
+          nullable: true
         custom_fields:
           description: >-
             Collect additional information from your customer using custom
@@ -5098,6 +5106,7 @@ components:
         - automatic_tax
         - consent
         - consent_collection
+        - currency_conversion
         - custom_fields
         - custom_text
         - customer
@@ -5154,6 +5163,7 @@ components:
           - payment_pages_checkout_session_automatic_tax
           - payment_pages_checkout_session_consent
           - payment_pages_checkout_session_consent_collection
+          - payment_pages_checkout_session_currency_conversion
           - payment_pages_checkout_session_custom_fields
           - payment_pages_checkout_session_custom_text
           - payment_pages_checkout_session_customer_details
@@ -28505,6 +28515,40 @@ components:
       x-stripeResource:
         class_name: ConsentCollection
         in_class: checkout.session
+    payment_pages_checkout_session_currency_conversion:
+      description: ''
+      properties:
+        amount_subtotal:
+          description: >-
+            Total of all items in source currency before discounts or taxes are
+            applied.
+          type: integer
+        amount_total:
+          description: >-
+            Total of all items in source currency after discounts and taxes are
+            applied.
+          type: integer
+        fx_rate:
+          description: >-
+            Exchange rate used to convert source currency amounts to customer
+            currency amounts
+          format: decimal
+          type: string
+        source_currency:
+          description: Creation currency of the CheckoutSession before localization
+          maxLength: 5000
+          type: string
+      required:
+        - amount_subtotal
+        - amount_total
+        - fx_rate
+        - source_currency
+      title: PaymentPagesCheckoutSessionCurrencyConversion
+      type: object
+      x-expandableFields: []
+      x-stripeResource:
+        class_name: CurrencyConversion
+        in_class: checkout.session
     payment_pages_checkout_session_custom_fields:
       description: ''
       properties:
diff --git a/openapi/spec3.yaml b/openapi/spec3.yaml
index 3988fa56..7273b097 100644
--- a/openapi/spec3.yaml
+++ b/openapi/spec3.yaml
@@ -3957,6 +3957,14 @@ components:
             currency](https://stripe.com/docs/currencies).
           nullable: true
           type: string
+        currency_conversion:
+          anyOf:
+            - $ref: >-
+                #/components/schemas/payment_pages_checkout_session_currency_conversion
+          description: >-
+            Currency conversion details for automatic currency conversion
+            sessions
+          nullable: true
         custom_fields:
           description: >-
             Collect additional information from your customer using custom
@@ -4351,6 +4359,7 @@ components:
         - automatic_tax
         - consent
         - consent_collection
+        - currency_conversion
         - custom_fields
         - custom_text
         - customer
@@ -24160,6 +24169,37 @@ components:
       title: PaymentPagesCheckoutSessionConsentCollection
       type: object
       x-expandableFields: []
+    payment_pages_checkout_session_currency_conversion:
+      description: ''
+      properties:
+        amount_subtotal:
+          description: >-
+            Total of all items in source currency before discounts or taxes are
+            applied.
+          type: integer
+        amount_total:
+          description: >-
+            Total of all items in source currency after discounts and taxes are
+            applied.
+          type: integer
+        fx_rate:
+          description: >-
+            Exchange rate used to convert source currency amounts to customer
+            currency amounts
+          format: decimal
+          type: string
+        source_currency:
+          description: Creation currency of the CheckoutSession before localization
+          maxLength: 5000
+          type: string
+      required:
+        - amount_subtotal
+        - amount_total
+        - fx_rate
+        - source_currency
+      title: PaymentPagesCheckoutSessionCurrencyConversion
+      type: object
+      x-expandableFields: []
     payment_pages_checkout_session_custom_fields:
       description: ''
       properties: