diff --git a/.changeset/chatty-boxes-speak.md b/.changeset/chatty-boxes-speak.md
new file mode 100644
index 0000000..f27b644
--- /dev/null
+++ b/.changeset/chatty-boxes-speak.md
@@ -0,0 +1,5 @@
+---
+'@thalalabs/surf': patch
+---
+
+Support 0x1::object::Object
diff --git a/src/core/__tests__/createEntryPayload.test.ts b/src/core/__tests__/createEntryPayload.test.ts
index 0c9febb..fca9024 100644
--- a/src/core/__tests__/createEntryPayload.test.ts
+++ b/src/core/__tests__/createEntryPayload.test.ts
@@ -182,6 +182,14 @@ describe('createEntryPayload', () => {
             });
         }
     });
+
+    it('0x1::object::Object', async () => {
+        createEntryPayload(TEST_ABI, {
+            function: 'object_as_input',
+            arguments: ["0x123456"],
+            type_arguments: [],
+        });
+    });
 });
 
 const TEST_ABI = {
@@ -256,6 +264,17 @@ const TEST_ABI = {
             ],
             "return": []
         },
+        {
+            "name": "object_as_input",
+            "visibility": "public",
+            "is_entry": true,
+            "is_view": false,
+            "generic_type_params": [],
+            "params": [
+                "0x1::object::Object<0xb8a4015d231899eaf1de8eb6dc6547f296f215b7ca46ea01b22b3d1ba24b6eb1::overflow::Overflow<T0, T1>>",
+            ],
+            "return": []
+        },
     ],
 
     "structs": []
diff --git a/src/core/createEntryPayload.ts b/src/core/createEntryPayload.ts
index e2cdf32..5eaee8a 100644
--- a/src/core/createEntryPayload.ts
+++ b/src/core/createEntryPayload.ts
@@ -86,10 +86,10 @@ export function createEntryPayload<
 
 function argToBCS(type: string, arg: any, serializer: BCS.Serializer) {
 
-    const regex = /vector<([^]+)>/;
-    const match = type.match(regex);
-    if (match) { // It's vector
-        const innerType = match[1]!;
+    const vectorRegex = /vector<([^]+)>/;
+    const vectorMatch = type.match(vectorRegex);
+    if (vectorMatch) { // It's vector
+        const innerType = vectorMatch[1]!;
         if (innerType === 'u8') {
             if (arg instanceof Uint8Array) { // TODO: add type support for Uint8Array
                 serializer.serializeBytes(arg);
@@ -112,6 +112,13 @@ function argToBCS(type: string, arg: any, serializer: BCS.Serializer) {
         return;
     }
 
+    const objectRegex = /0x1::object::Object<([^]+)>/;
+    const objectMatch = type.match(objectRegex);
+    if (objectMatch) { // It's 0x1::object::Object
+        TxnBuilderTypes.AccountAddress.fromHex(arg as string).serialize(serializer);
+        return;
+    }
+
     switch (type) { // It's primitive
         case 'bool':
             serializer.serializeBool(ensureBoolean(arg));
diff --git a/src/types/common.ts b/src/types/common.ts
index dcef546..b22db91 100644
--- a/src/types/common.ts
+++ b/src/types/common.ts
@@ -8,9 +8,10 @@ export type Primitive =
 
 type Vector = `vector<${string}>`;
 type VectorOfVector = `vector<vector<${string}>>`;
+type MoveObject = `0x1::object::Object<${string}>`
 
 // TODO: support vector<vector<vector>>
-export type AllTypes = Primitive | Vector | VectorOfVector;
+export type AllTypes = Primitive | Vector | VectorOfVector | MoveObject;
 type ConvertPrimitiveArgsType<T extends Primitive> =
     T extends 'bool' ? boolean :
     T extends 'u8' ? number :
@@ -35,6 +36,7 @@ type ConvertVectorArgsType<TInner> = TInner extends Primitive ? ConvertPrimitive
 export type ConvertArgsType<T extends AllTypes> =
     T extends Primitive ? ConvertPrimitiveArgsType<T> :
     T extends `vector<${infer TInner}>` ? ConvertVectorArgsType<TInner> :
+    T extends `0x1::object::Object<${string}>` ? `0x${string}` :
     Struct<T>;
 
 //@ts-ignore TODO: remove this ignore