diff --git a/mintlify/openapi.yaml b/mintlify/openapi.yaml
index 33c43742..8418d56b 100644
--- a/mintlify/openapi.yaml
+++ b/mintlify/openapi.yaml
@@ -21731,6 +21731,7 @@ components:
       type: string
       enum:
         - QUOTE_EXPIRED
+        - QUOTE_RATE_UNAVAILABLE
         - QUOTE_EXECUTION_FAILED
         - FUNDING_AMOUNT_MISMATCH
         - SCA_NOT_COMPLETED
@@ -21761,6 +21762,7 @@ components:
         | Reason | Description |
         |--------|-------------|
         | `QUOTE_EXPIRED` | The quote was not executed before its expiry window |
+        | `QUOTE_RATE_UNAVAILABLE` | The quoted exchange rate was no longer available when the quote was executed, so nothing was exchanged. Create a new quote to get a current rate |
         | `QUOTE_EXECUTION_FAILED` | The quote could not be executed. Covers any internal failure on the way to settlement, whether or not funds were debited — a debited amount is refunded automatically |
         | `FUNDING_AMOUNT_MISMATCH` | The funds received did not match the expected amount |
         | `SCA_NOT_COMPLETED` | The customer did not complete the Strong Customer Authentication challenge before it expired |
diff --git a/mintlify/platform-overview/core-concepts/quote-system.mdx b/mintlify/platform-overview/core-concepts/quote-system.mdx
index a85a5ac2..76676116 100644
--- a/mintlify/platform-overview/core-concepts/quote-system.mdx
+++ b/mintlify/platform-overview/core-concepts/quote-system.mdx
@@ -454,12 +454,16 @@ For cross-currency quotes the exchange rate applies on top of this: the fee is t
     try {
       await executeQuote(quote.id);
     } catch (error) {
-      if (error.code === 'QUOTE_EXPIRED') {
+      if (error.code === 'QUOTE_EXPIRED' || error.code === 'QUOTE_RATE_UNAVAILABLE') {
         quote = await createQuote(quoteParams); // Recreate with fresh rate
         await executeQuote(quote.id);
       }
     }
     ```
+
+    `QUOTE_RATE_UNAVAILABLE` means the quoted rate was refused when the quote was
+    executed, rather than the quote's own expiry window elapsing. Nothing was
+    exchanged in either case, and the recovery is the same: create a new quote.
   </Accordion>
 
   <Accordion title="Monitor quote status via webhooks">
diff --git a/openapi.yaml b/openapi.yaml
index 33c43742..8418d56b 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -21731,6 +21731,7 @@ components:
       type: string
       enum:
         - QUOTE_EXPIRED
+        - QUOTE_RATE_UNAVAILABLE
         - QUOTE_EXECUTION_FAILED
         - FUNDING_AMOUNT_MISMATCH
         - SCA_NOT_COMPLETED
@@ -21761,6 +21762,7 @@ components:
         | Reason | Description |
         |--------|-------------|
         | `QUOTE_EXPIRED` | The quote was not executed before its expiry window |
+        | `QUOTE_RATE_UNAVAILABLE` | The quoted exchange rate was no longer available when the quote was executed, so nothing was exchanged. Create a new quote to get a current rate |
         | `QUOTE_EXECUTION_FAILED` | The quote could not be executed. Covers any internal failure on the way to settlement, whether or not funds were debited — a debited amount is refunded automatically |
         | `FUNDING_AMOUNT_MISMATCH` | The funds received did not match the expected amount |
         | `SCA_NOT_COMPLETED` | The customer did not complete the Strong Customer Authentication challenge before it expired |
diff --git a/openapi/components/schemas/transactions/OutgoingTransactionFailureReason.yaml b/openapi/components/schemas/transactions/OutgoingTransactionFailureReason.yaml
index 8fe12beb..38772c4d 100644
--- a/openapi/components/schemas/transactions/OutgoingTransactionFailureReason.yaml
+++ b/openapi/components/schemas/transactions/OutgoingTransactionFailureReason.yaml
@@ -1,6 +1,7 @@
 type: string
 enum:
   - QUOTE_EXPIRED
+  - QUOTE_RATE_UNAVAILABLE
   - QUOTE_EXECUTION_FAILED
   - FUNDING_AMOUNT_MISMATCH
   - SCA_NOT_COMPLETED
@@ -31,6 +32,7 @@ description: |
   | Reason | Description |
   |--------|-------------|
   | `QUOTE_EXPIRED` | The quote was not executed before its expiry window |
+  | `QUOTE_RATE_UNAVAILABLE` | The quoted exchange rate was no longer available when the quote was executed, so nothing was exchanged. Create a new quote to get a current rate |
   | `QUOTE_EXECUTION_FAILED` | The quote could not be executed. Covers any internal failure on the way to settlement, whether or not funds were debited — a debited amount is refunded automatically |
   | `FUNDING_AMOUNT_MISMATCH` | The funds received did not match the expected amount |
   | `SCA_NOT_COMPLETED` | The customer did not complete the Strong Customer Authentication challenge before it expired |