diff --git a/README.md b/README.md
index 683f148..bca04da 100644
--- a/README.md
+++ b/README.md
@@ -492,6 +492,7 @@ Methods are provided within `$client->promotions->*` namespace.
 - [Redeem Promotion's Tier](#redeem-promotions-tier)
 - [Update Promotion's Tier](#update-promotions-tier)
 - [Delete Promotion's Tier](#delete-promotions-tier)
+- [List Available Promotion Tiers](#list-available-promotion-tiers)
 
 Check [promotion campaign object](https://docs.voucherify.io/reference?utm_source=github&utm_medium=sdk&utm_campaign=acq#create-promotion-campaign).
 
@@ -532,6 +533,11 @@ $client->promotions->tiers->update($promotionTierId);
 $client->promotions->tiers->delete($promotionTierId);
 ```
 
+#### [List Available Promotion Tiers]
+```php
+$client->promotions->tiers->getAvailable();
+```
+
 ---
 
 ### Migration from 0.x
@@ -660,6 +666,7 @@ class Voucher extends CI_Controller {
 Bug reports and pull requests are welcome through [GitHub Issues](https://github.com/rspective/voucherify-php-sdk/issues).
 
 ### Changelog
+- **2018-02-12** - `1.7.5` - Promotions Tiers getAvailable method
 - **2018-02-11** - `1.7.4` - Customers getList method
 - **2018-01-14** - `1.7.3` - Promotions API
 - **2017-07-24** - `1.7.2` - Fix get publications missing params
@@ -769,3 +776,4 @@ Bug reports and pull requests are welcome through [GitHub Issues](https://github
 [Redeem Promotion's Tier]: https://docs.voucherify.io/reference?utm_source=github&utm_medium=sdk&utm_campaign=acq#redeem-promotion
 [Update Promotion's Tier]: https://docs.voucherify.io/reference?utm_source=github&utm_medium=sdk&utm_campaign=acq#update-promotion
 [Delete Promotion's Tier]: https://docs.voucherify.io/reference?utm_source=github&utm_medium=sdk&utm_campaign=acq#delete-promotion
+[List Available Promotion Tiers]: https://docs.voucherify.io/reference?utm_source=github&utm_medium=sdk&utm_campaign=acq#introduction-1
diff --git a/src/PromotionTiers.php b/src/PromotionTiers.php
index 4b3bcea..f662fcd 100644
--- a/src/PromotionTiers.php
+++ b/src/PromotionTiers.php
@@ -42,6 +42,19 @@ public function getList($promotionId)
         return $this->client->get("/promotions/" . rawurlencode($promotionId) . "/tiers", null);
     }
 
+    /**
+     * List available promotion tiers.
+     *
+     * @throws \Voucherify\ClientException
+     */
+    public function getAvailable()
+    {
+        $params = [ "is_available" => true ];
+        return $this->client->get("/promotions/tiers", $params);
+    }
+
+     
+
     /**
      * @param string $promotionTierId
      * @param array|stdClass $params
diff --git a/test/PromotionsTest.php b/test/PromotionsTest.php
index f003339..ad332d3 100644
--- a/test/PromotionsTest.php
+++ b/test/PromotionsTest.php
@@ -99,9 +99,7 @@ public function testTiersCreate()
     public function testTiersGetList()
     {
         CurlMock::register("https://api.voucherify.io/v1", self::$headers)
-            ->get("/promotions/test_promotion/tiers", [
-                "name" => "test promotion tier name"
-            ])
+            ->get("/promotions/test_promotion/tiers")
             ->reply(200, [ "status" => "ok" ]);
 
         $result = self::$client->promotions->tiers->getList("test_promotion");
@@ -111,6 +109,20 @@ public function testTiersGetList()
         CurlMock::done();
     }
 
+    public function testTiersGetAvailable()
+    {
+        CurlMock::register("https://api.voucherify.io/v1", self::$headers)
+            ->get("/promotions/tiers")
+            ->query([ "is_available" => true ])
+            ->reply(200, [ "status" => "ok" ]);
+
+        $result = self::$client->promotions->tiers->getAvailable();
+
+        $this->assertEquals($result, (object)[ "status" => "ok" ]);
+
+        CurlMock::done();
+    }
+
     public function testTierRedeem()
     {
         CurlMock::register("https://api.voucherify.io/v1", self::$headers)