diff --git a/modules/express/src/typedRoutes/api/v2/prebuildAndSignTransaction.ts b/modules/express/src/typedRoutes/api/v2/prebuildAndSignTransaction.ts
index 30e3dbf117..cc8bb4a18d 100644
--- a/modules/express/src/typedRoutes/api/v2/prebuildAndSignTransaction.ts
+++ b/modules/express/src/typedRoutes/api/v2/prebuildAndSignTransaction.ts
@@ -398,6 +398,8 @@ export const PrebuildAndSignTransactionBody = {
   keepAlive: optional(t.boolean),
   /** Transaction format ('legacy', 'psbt', or 'psbt-lite') */
   txFormat: optional(t.union([t.literal('legacy'), t.literal('psbt'), t.literal('psbt-lite')])),
+  /** (UTXO only) Quantum-resistant sweep mode — sweeps quantum-exposed unspents to fresh wallet addresses */
+  qr: optional(t.boolean),
   /** Solana custom instructions */
   solInstructions: optional(t.array(SolInstruction)),
   /** Solana versioned transaction data */
diff --git a/modules/express/src/typedRoutes/api/v2/sendCoins.ts b/modules/express/src/typedRoutes/api/v2/sendCoins.ts
index 313a6f581b..9afc27c05b 100644
--- a/modules/express/src/typedRoutes/api/v2/sendCoins.ts
+++ b/modules/express/src/typedRoutes/api/v2/sendCoins.ts
@@ -353,6 +353,9 @@ export const SendCoinsRequestBody = {
   /** Flag indicating if this is the last signature */
   isLastSignature: optional(t.boolean),
 
+  /** (UTXO only) Quantum-resistant sweep mode — sweeps quantum-exposed unspents to fresh wallet addresses */
+  qr: optional(t.boolean),
+
   /** Pre-built transaction object */
   txPrebuild: optional(t.any),
 
diff --git a/modules/express/src/typedRoutes/api/v2/sendmany.ts b/modules/express/src/typedRoutes/api/v2/sendmany.ts
index 5fd4463b6d..b55a9b918a 100644
--- a/modules/express/src/typedRoutes/api/v2/sendmany.ts
+++ b/modules/express/src/typedRoutes/api/v2/sendmany.ts
@@ -429,6 +429,9 @@ export const SendManyRequestBody = {
   /** Flag indicating if this is the last signature */
   isLastSignature: optional(t.boolean),
 
+  /** (UTXO only) Quantum-resistant sweep mode — sweeps quantum-exposed unspents to fresh wallet addresses */
+  qr: optional(t.boolean),
+
   /** Pre-built transaction object */
   txPrebuild: optional(t.any),