diff --git a/mailpoet/tests/integration/API/JSON/v1/CouponsTest.php b/mailpoet/tests/integration/API/JSON/v1/CouponsTest.php
new file mode 100644
index 0000000000..f8d746af22
--- /dev/null
+++ b/mailpoet/tests/integration/API/JSON/v1/CouponsTest.php
@@ -0,0 +1,168 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\Test\API\JSON\v1;
+
+use MailPoet\API\JSON\Response as APIResponse;
+use MailPoet\API\JSON\v1\Coupons;
+use MailPoet\WooCommerce\Helper as WooCommerceHelper;
+use MailPoet\WP\Functions as WPFunctions;
+
+/**
+ * @group woo
+ */
+class CouponsTest extends \MailPoetTest {
+
+  /** @var Coupons */
+  private $endpoint;
+
+  /** @var WooCommerceHelper */
+  private $wcHelper;
+
+  /** @var WPFunctions */
+  private $wpFunctions;
+
+  public function _before() {
+    parent::_before();
+    $this->endpoint = $this->diContainer->get(Coupons::class);
+    $this->wcHelper = $this->diContainer->get(WooCommerceHelper::class);
+    $this->wpFunctions = $this->diContainer->get(WPFunctions::class);
+  }
+
+  public function testItCanGetAllCoupons(): void {
+    $coupons = [
+      $this->createCoupon('coupon-1'),
+      $this->createCoupon('coupon-2'),
+      $this->createCoupon('coupon-3'),
+    ];
+    $response = $this->endpoint->getCoupons();
+
+    $this->validateResponse($response, $coupons);
+  }
+
+  public function testItGetsIncludedCouponIds(): void {
+    $coupons = [
+      $this->createCoupon('coupon-1'),
+      $this->createCoupon('coupon-2'),
+      $this->createCoupon('coupon-3'),
+      $this->createCoupon('include-coupon-4'),
+      $this->createCoupon('coupon-5'),
+      $this->createCoupon('include-coupon-6'),
+    ];
+
+    $response = $this->endpoint->getCoupons([
+      'include_coupon_ids' => [
+        $coupons[3]->get_id(),
+        $coupons[5]->get_id(),
+      ],
+      'page_size' => 1,
+    ]);
+    // expected coupons ordered by code
+    $expectedResult = [
+      $coupons[3], // include-coupon-4
+      $coupons[5], // include-coupon-6
+      $coupons[0], // coupon-1
+    ];
+
+    $this->validateResponse($response, $expectedResult);
+  }
+
+  public function testItGetsCouponsBySearchQuery(): void {
+    $coupons = [
+      $this->createCoupon('search-coupon-1'),
+      $this->createCoupon('coupon-search-2'),
+      $this->createCoupon('coupon-3'),
+      $this->createCoupon('coupon-4'),
+      $this->createCoupon('coupon-5-search'),
+      $this->createCoupon('coupon-6'),
+    ];
+
+    $response = $this->endpoint->getCoupons([
+      'search' => 'search',
+      'page_size' => 3,
+    ]);
+
+    // expected coupons ordered by code
+    $expectedResult = [
+      $coupons[4], // coupon-5-search
+      $coupons[1], // coupon-search-2
+      $coupons[0], // search-coupon-1
+    ];
+    $this->validateResponse($response, $expectedResult);
+  }
+
+  public function testItGetsCouponsByPageNumber(): void {
+    $coupons = [
+      $this->createCoupon('coupon-1'),
+      $this->createCoupon('coupon-2'),
+      $this->createCoupon('coupon-3'),
+      $this->createCoupon('coupon-4'),
+      $this->createCoupon('coupon-5'),
+      $this->createCoupon('coupon-6'),
+    ];
+
+    $response = $this->endpoint->getCoupons([
+      'page_number' => 2,
+      'page_size' => 2,
+    ]);
+
+    // expected coupons ordered by code
+    $expectedResult = [
+      $coupons[2], // coupon-3
+      $coupons[3], // coupon-4
+    ];
+    $this->validateResponse($response, $expectedResult);
+  }
+
+  public function testItGetsCouponsByDiscountType(): void {
+    $coupons = [
+      $this->createCoupon('coupon-1', 'fixed_cart'),
+      $this->createCoupon('coupon-2', 'percent'),
+      $this->createCoupon('coupon-3', 'percent'),
+      $this->createCoupon('coupon-4', 'fixed_product'),
+      $this->createCoupon('coupon-5', 'fixed_cart'),
+      $this->createCoupon('coupon-6', 'fixed_product'),
+    ];
+
+    $response = $this->endpoint->getCoupons(['discount_type' => 'fixed_product']);
+
+    // expected coupons ordered by code
+    $expectedResult = [
+      $coupons[3], // coupon-4
+      $coupons[5], // coupon-6
+    ];
+    $this->validateResponse($response, $expectedResult);
+  }
+
+  public function _after() {
+    parent::_after();
+    $coupons = $this->wpFunctions->getPosts([
+      'post_type' => 'shop_coupon',
+      'posts_per_page' => -1,
+    ]);
+    foreach ($coupons as $coupon) {
+      $this->wpFunctions->wpDeletePost($coupon->ID, true);
+    }
+  }
+
+  private function validateResponse($response, $expectedCoupons): void {
+    $returnedCoupons = $response->data;
+    expect($response->status)->equals(APIResponse::STATUS_OK);
+    expect($returnedCoupons)->count(count($expectedCoupons));
+
+    foreach ($expectedCoupons as $key => $coupon) {
+      expect($coupon->get_id())->equals($returnedCoupons[$key]['id']);
+      expect($coupon->get_code())->equals($returnedCoupons[$key]['text']);
+      expect($coupon->get_discount_type())->equals($returnedCoupons[$key]['discountType']);
+    }
+  }
+
+  private function createCoupon(?string $couponCode = null, ?string $discountType = null): \WC_Coupon {
+    $discountType = $discountType ?: current(array_keys($this->wcHelper->wcGetCouponTypes()));
+    $coupon = $this->wcHelper->createWcCoupon('');
+    $coupon->set_code($couponCode);
+    $coupon->set_discount_type($discountType);
+    $coupon->set_amount(10);
+    $coupon->save();
+    return $coupon;
+  }
+}