diff --git a/openapi/spec3.beta.sdk.json b/openapi/spec3.beta.sdk.json
index 607ffa80..cd16c0c5 100644
--- a/openapi/spec3.beta.sdk.json
+++ b/openapi/spec3.beta.sdk.json
@@ -34366,6 +34366,11 @@
             "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,
@@ -34375,6 +34380,7 @@
         "required": [
           "amount_subtotal",
           "amount_total",
+          "fx_rate",
           "source_currency"
         ],
         "title": "PaymentPagesCheckoutSessionCurrencyConversion",
diff --git a/openapi/spec3.beta.sdk.yaml b/openapi/spec3.beta.sdk.yaml
index 0c224250..8af27f86 100644
--- a/openapi/spec3.beta.sdk.yaml
+++ b/openapi/spec3.beta.sdk.yaml
@@ -31634,6 +31634,12 @@ components:
             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
@@ -31641,6 +31647,7 @@ components:
       required:
         - amount_subtotal
         - amount_total
+        - fx_rate
         - source_currency
       title: PaymentPagesCheckoutSessionCurrencyConversion
       type: object