diff --git a/src/server/routes/contract/extensions/erc1155/read/signature-generate.ts b/src/server/routes/contract/extensions/erc1155/read/signature-generate.ts
index ab2c14ebd..99486a097 100644
--- a/src/server/routes/contract/extensions/erc1155/read/signature-generate.ts
+++ b/src/server/routes/contract/extensions/erc1155/read/signature-generate.ts
@@ -55,6 +55,7 @@ const requestBodySchemaV5 = Type.Intersect([
     currency: Type.Optional(Type.String()),
     validityStartTimestamp: Type.Integer({ minimum: 0 }),
     validityEndTimestamp: Type.Optional(Type.Integer({ minimum: 0 })),
+    tokenId: Type.Optional(Type.String()),
     uid: Type.Optional(Type.String()),
   }),
   Type.Union([
@@ -145,6 +146,7 @@ export async function erc1155SignatureGenerate(fastify: FastifyInstance) {
           currency,
           validityStartTimestamp,
           validityEndTimestamp,
+          tokenId,
           uid,
         } = args;
 
@@ -183,6 +185,7 @@ export async function erc1155SignatureGenerate(fastify: FastifyInstance) {
             royaltyBps,
             primarySaleRecipient,
             pricePerToken,
+            tokenId: maybeBigInt(tokenId),
             pricePerTokenWei: maybeBigInt(pricePerTokenWei),
             currency,
             validityStartTimestamp: new Date(validityStartTimestamp * 1000),
@@ -223,6 +226,7 @@ export async function erc1155SignatureGenerate(fastify: FastifyInstance) {
         royaltyBps,
         royaltyRecipient,
         uid,
+        tokenId,
       } = request.body as Static<typeof requestBodySchemaV4>;
 
       const contract = await getContractV4({
@@ -247,6 +251,7 @@ export async function erc1155SignatureGenerate(fastify: FastifyInstance) {
         royaltyBps,
         royaltyRecipient,
         uid,
+        tokenId,
       });
 
       const signedPayload = await contract.erc1155.signature.generate(payload);
diff --git a/src/server/schemas/nft/index.ts b/src/server/schemas/nft/index.ts
index f1d646bce..e52e035ae 100644
--- a/src/server/schemas/nft/index.ts
+++ b/src/server/schemas/nft/index.ts
@@ -302,6 +302,12 @@ export const signature1155InputSchema = Type.Object({
       Type.Integer({ minimum: 0 }),
     ]),
   ),
+  tokenId: Type.Optional(
+    Type.String({
+      description:
+        "The token id to mint. If not provided, a new token id will be generated.",
+    }),
+  ),
 });
 
 export const signature1155OutputSchema = Type.Object({