diff --git a/src/account.ts b/src/account.ts
index 46b4834..204baf3 100644
--- a/src/account.ts
+++ b/src/account.ts
@@ -42,7 +42,7 @@ export interface UndelegateOptions {
 
 export class Account {
     readonly data: API.v1.AccountObject
-    readonly systemContract: Contract
+    readonly systemContract: SystemContract.Contract
     readonly client: APIClient
 
     constructor(args: AccountArgs) {
@@ -141,12 +141,23 @@ export class Account {
         })
     }
 
-    linkauth() {
-        // TODO: Implement `linkauth` action calls
+    linkauth(contract: NameType, action: NameType, requirement: NameType): Action {
+        return this.systemContract.action('linkauth', {
+            account: this.accountName,
+            code: contract,
+            type: action,
+            requirement: requirement,
+            authorized_by: '',
+        })
     }
 
-    unlinkauth() {
-        // TODO: Implement `unlinkauth` action calls
+    unlinkauth(contract: NameType, action: NameType): Action {
+        return this.systemContract.action('unlinkauth', {
+            account: this.accountName,
+            code: contract,
+            type: action,
+            authorized_by: '',
+        });
     }
 
     buyRam(amount: AssetType, options?: BuyramOptions): Action {
diff --git a/test/tests/account.ts b/test/tests/account.ts
index 0cb9cd5..51a656e 100644
--- a/test/tests/account.ts
+++ b/test/tests/account.ts
@@ -217,6 +217,31 @@ suite('Account', function () {
         })
     })
 
+    test('linkauth', () => {
+        const action = testAccount.linkauth('eosio.token', 'transfer', 'active');
+        assert.isTrue(action.account.equals('eosio'));
+        assert.isTrue(action.name.equals('linkauth'));
+        assert.isTrue(action.authorization[0].equals(PlaceholderAuth));
+
+        const decoded = Serializer.decode({data: action.data, type: SystemContract.Types.Linkauth});
+        assert.isTrue(decoded.account.equals('wharfkit1133'));
+        assert.isTrue(decoded.code.equals('eosio.token'));
+        assert.isTrue(decoded.type.equals('transfer'));
+        assert.isTrue(decoded.requirement.equals('active'));
+    });
+
+    test('unlinkauth', () => {
+        const action = testAccount.unlinkauth('eosio.token', 'transfer');
+        assert.isTrue(action.account.equals('eosio'));
+        assert.isTrue(action.name.equals('unlinkauth'));
+        assert.isTrue(action.authorization[0].equals(PlaceholderAuth));
+
+        const decoded = Serializer.decode({data: action.data, type: SystemContract.Types.Unlinkauth});
+        assert.isTrue(decoded.account.equals('wharfkit1133'));
+        assert.isTrue(decoded.code.equals('eosio.token'));
+        assert.isTrue(decoded.type.equals('transfer'));
+    });
+
     suite('buyRam', () => {
         test('only amount', () => {
             const action = testAccount.buyRam('1.0000 EOS')
@@ -293,6 +318,7 @@ suite('Account', function () {
         assert.isTrue(decoded.account.equals('wharfkit1133'))
         assert.isTrue(decoded.bytes.equals(1024))
     })
+    
 
     suite('delegate', () => {
         test('no data', () => {