diff --git a/wifi/1.5/Android.bp b/wifi/1.5/Android.bp
index 5a62a3a..e2c38ce 100644
--- a/wifi/1.5/Android.bp
+++ b/wifi/1.5/Android.bp
@@ -7,6 +7,7 @@
         "types.hal",
         "IWifi.hal",
         "IWifiChip.hal",
+        "IWifiApIface.hal",
         "IWifiNanIface.hal",
         "IWifiNanIfaceEventCallback.hal",
         "IWifiStaIface.hal",
diff --git a/wifi/1.5/IWifiApIface.hal b/wifi/1.5/IWifiApIface.hal
new file mode 100644
index 0000000..9625a6b
--- /dev/null
+++ b/wifi/1.5/IWifiApIface.hal
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.5;
+
+import @1.4::IWifiApIface;
+import @1.0::MacAddress;
+import @1.0::WifiStatus;
+
+/**
+ * Represents a network interface in AP mode.
+ *
+ * This can be obtained through @1.0::IWifiChip.getApIface() and casting
+ * IWifiApIface up to 1.5.
+ */
+interface IWifiApIface extends @1.4::IWifiApIface {
+    /**
+     * Reset all of the AP interfaces MAC address to the factory MAC address.
+     *
+     * @return status WifiStatus of the operation
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    resetToFactoryMacAddress() generates (WifiStatus status);
+};
diff --git a/wifi/1.5/IWifiChip.hal b/wifi/1.5/IWifiChip.hal
index 7cf81b5..2702759 100644
--- a/wifi/1.5/IWifiChip.hal
+++ b/wifi/1.5/IWifiChip.hal
@@ -17,7 +17,7 @@
 package android.hardware.wifi@1.5;
 
 import @1.0::WifiStatus;
-import @1.0::IWifiApIface;
+import @1.5::IWifiApIface;
 import @1.0::IWifiIface;
 import @1.3::IWifiChip;
 import @1.4::IWifiChip;
diff --git a/wifi/1.5/default/wifi_ap_iface.cpp b/wifi/1.5/default/wifi_ap_iface.cpp
index 04e382a..d98aa45 100644
--- a/wifi/1.5/default/wifi_ap_iface.cpp
+++ b/wifi/1.5/default/wifi_ap_iface.cpp
@@ -29,10 +29,11 @@
 using hidl_return_util::validateAndCall;
 
 WifiApIface::WifiApIface(
-    const std::string& ifname,
+    const std::string& ifname, const std::vector<std::string>& instances,
     const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
     const std::weak_ptr<iface_util::WifiIfaceUtil> iface_util)
     : ifname_(ifname),
+      instances_(instances),
       legacy_hal_(legacy_hal),
       iface_util_(iface_util),
       is_valid_(true) {}
@@ -81,6 +82,14 @@
     getFactoryMacAddress_cb hidl_status_cb) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
                            &WifiApIface::getFactoryMacAddressInternal,
+                           hidl_status_cb,
+                           instances_.size() > 0 ? instances_[0] : ifname_);
+}
+
+Return<void> WifiApIface::resetToFactoryMacAddress(
+    resetToFactoryMacAddress_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiApIface::resetToFactoryMacAddressInternal,
                            hidl_status_cb);
 }
 
@@ -94,8 +103,8 @@
 
 WifiStatus WifiApIface::setCountryCodeInternal(
     const std::array<int8_t, 2>& code) {
-    legacy_hal::wifi_error legacy_status =
-        legacy_hal_.lock()->setCountryCode(ifname_, code);
+    legacy_hal::wifi_error legacy_status = legacy_hal_.lock()->setCountryCode(
+        instances_.size() > 0 ? instances_[0] : ifname_, code);
     return createWifiStatusFromLegacyError(legacy_status);
 }
 
@@ -107,13 +116,30 @@
     std::vector<uint32_t> valid_frequencies;
     std::tie(legacy_status, valid_frequencies) =
         legacy_hal_.lock()->getValidFrequenciesForBand(
-            ifname_, hidl_struct_util::convertHidlWifiBandToLegacy(band));
+            instances_.size() > 0 ? instances_[0] : ifname_,
+            hidl_struct_util::convertHidlWifiBandToLegacy(band));
     return {createWifiStatusFromLegacyError(legacy_status), valid_frequencies};
 }
 
 WifiStatus WifiApIface::setMacAddressInternal(
     const std::array<uint8_t, 6>& mac) {
-    bool status = iface_util_.lock()->setMacAddress(ifname_, mac);
+    bool status;
+    // Support random MAC up to 2 interfaces
+    if (instances_.size() == 2) {
+        int rbyte = 1;
+        for (auto const& intf : instances_) {
+            std::array<uint8_t, 6> rmac = mac;
+            // reverse the bits to avoid clision
+            rmac[rbyte] = 0xff - rmac[rbyte];
+            status = iface_util_.lock()->setMacAddress(intf, rmac);
+            if (!status) {
+                LOG(INFO) << "Failed to set random mac address on " << intf;
+            }
+            rbyte++;
+        }
+    } else {
+        status = iface_util_.lock()->setMacAddress(ifname_, mac);
+    }
     if (!status) {
         return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
     }
@@ -121,15 +147,37 @@
 }
 
 std::pair<WifiStatus, std::array<uint8_t, 6>>
-WifiApIface::getFactoryMacAddressInternal() {
+WifiApIface::getFactoryMacAddressInternal(const std::string& ifaceName) {
     std::array<uint8_t, 6> mac =
-        iface_util_.lock()->getFactoryMacAddress(ifname_);
+        iface_util_.lock()->getFactoryMacAddress(ifaceName);
     if (mac[0] == 0 && mac[1] == 0 && mac[2] == 0 && mac[3] == 0 &&
         mac[4] == 0 && mac[5] == 0) {
         return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), mac};
     }
     return {createWifiStatus(WifiStatusCode::SUCCESS), mac};
 }
+
+WifiStatus WifiApIface::resetToFactoryMacAddressInternal() {
+    std::pair<WifiStatus, std::array<uint8_t, 6>> getMacResult;
+    if (instances_.size() == 2) {
+        for (auto const& intf : instances_) {
+            getMacResult = getFactoryMacAddressInternal(intf);
+            LOG(DEBUG) << "Reset MAC to factory MAC on " << intf;
+            if (getMacResult.first.code != WifiStatusCode::SUCCESS ||
+                !iface_util_.lock()->setMacAddress(intf, getMacResult.second)) {
+                return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+            }
+        }
+    } else {
+        getMacResult = getFactoryMacAddressInternal(ifname_);
+        LOG(DEBUG) << "Reset MAC to factory MAC on " << ifname_;
+        if (getMacResult.first.code != WifiStatusCode::SUCCESS ||
+            !iface_util_.lock()->setMacAddress(ifname_, getMacResult.second)) {
+            return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+        }
+    }
+    return createWifiStatus(WifiStatusCode::SUCCESS);
+}
 }  // namespace implementation
 }  // namespace V1_5
 }  // namespace wifi
diff --git a/wifi/1.5/default/wifi_ap_iface.h b/wifi/1.5/default/wifi_ap_iface.h
index 48b444a..02fb2d8 100644
--- a/wifi/1.5/default/wifi_ap_iface.h
+++ b/wifi/1.5/default/wifi_ap_iface.h
@@ -18,7 +18,7 @@
 #define WIFI_AP_IFACE_H_
 
 #include <android-base/macros.h>
-#include <android/hardware/wifi/1.4/IWifiApIface.h>
+#include <android/hardware/wifi/1.5/IWifiApIface.h>
 
 #include "wifi_iface_util.h"
 #include "wifi_legacy_hal.h"
@@ -33,9 +33,10 @@
 /**
  * HIDL interface object used to control a AP Iface instance.
  */
-class WifiApIface : public V1_4::IWifiApIface {
+class WifiApIface : public V1_5::IWifiApIface {
    public:
     WifiApIface(const std::string& ifname,
+                const std::vector<std::string>& instances,
                 const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
                 const std::weak_ptr<iface_util::WifiIfaceUtil> iface_util);
     // Refer to |WifiChip::invalidate()|.
@@ -55,6 +56,8 @@
                                setMacAddress_cb hidl_status_cb) override;
     Return<void> getFactoryMacAddress(
         getFactoryMacAddress_cb hidl_status_cb) override;
+    Return<void> resetToFactoryMacAddress(
+        resetToFactoryMacAddress_cb hidl_status_cb) override;
 
    private:
     // Corresponding worker functions for the HIDL methods.
@@ -64,10 +67,12 @@
     std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
     getValidFrequenciesForBandInternal(V1_0::WifiBand band);
     WifiStatus setMacAddressInternal(const std::array<uint8_t, 6>& mac);
-    std::pair<WifiStatus, std::array<uint8_t, 6>>
-    getFactoryMacAddressInternal();
+    std::pair<WifiStatus, std::array<uint8_t, 6>> getFactoryMacAddressInternal(
+        const std::string& ifaceName);
+    WifiStatus resetToFactoryMacAddressInternal();
 
     std::string ifname_;
+    std::vector<std::string> instances_;
     std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
     std::weak_ptr<iface_util::WifiIfaceUtil> iface_util_;
     bool is_valid_;
diff --git a/wifi/1.5/default/wifi_chip.cpp b/wifi/1.5/default/wifi_chip.cpp
index f5842fe..5d9d315 100644
--- a/wifi/1.5/default/wifi_chip.cpp
+++ b/wifi/1.5/default/wifi_chip.cpp
@@ -894,7 +894,14 @@
 }
 
 sp<WifiApIface> WifiChip::newWifiApIface(std::string& ifname) {
-    sp<WifiApIface> iface = new WifiApIface(ifname, legacy_hal_, iface_util_);
+    std::vector<std::string> ap_instances;
+    for (auto const& it : br_ifaces_ap_instances_) {
+        if (it.first == ifname) {
+            ap_instances = it.second;
+        }
+    }
+    sp<WifiApIface> iface =
+        new WifiApIface(ifname, ap_instances, legacy_hal_, iface_util_);
     ap_ifaces_.push_back(iface);
     for (const auto& callback : event_cb_handler_.getCallbacks()) {
         if (!callback->onIfaceAdded(IfaceType::AP, ifname).isOk()) {
@@ -905,7 +912,8 @@
     return iface;
 }
 
-std::pair<WifiStatus, sp<IWifiApIface>> WifiChip::createApIfaceInternal() {
+std::pair<WifiStatus, sp<V1_5::IWifiApIface>>
+WifiChip::createApIfaceInternal() {
     if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::AP)) {
         return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
     }
@@ -918,7 +926,7 @@
     return {createWifiStatus(WifiStatusCode::SUCCESS), iface};
 }
 
-std::pair<WifiStatus, sp<IWifiApIface>>
+std::pair<WifiStatus, sp<V1_5::IWifiApIface>>
 WifiChip::createBridgedApIfaceInternal() {
     if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::AP)) {
         return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
@@ -967,7 +975,7 @@
     return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(ap_ifaces_)};
 }
 
-std::pair<WifiStatus, sp<IWifiApIface>> WifiChip::getApIfaceInternal(
+std::pair<WifiStatus, sp<V1_5::IWifiApIface>> WifiChip::getApIfaceInternal(
     const std::string& ifname) {
     const auto iface = findUsingName(ap_ifaces_, ifname);
     if (!iface.get()) {
diff --git a/wifi/1.5/default/wifi_chip.h b/wifi/1.5/default/wifi_chip.h
index b7a9ac8..70b221d 100644
--- a/wifi/1.5/default/wifi_chip.h
+++ b/wifi/1.5/default/wifi_chip.h
@@ -199,10 +199,11 @@
     requestFirmwareDebugDumpInternal();
     sp<WifiApIface> newWifiApIface(std::string& ifname);
     WifiStatus createVirtualApInterface(const std::string& apVirtIf);
-    std::pair<WifiStatus, sp<IWifiApIface>> createApIfaceInternal();
-    std::pair<WifiStatus, sp<IWifiApIface>> createBridgedApIfaceInternal();
+    std::pair<WifiStatus, sp<V1_5::IWifiApIface>> createApIfaceInternal();
+    std::pair<WifiStatus, sp<V1_5::IWifiApIface>>
+    createBridgedApIfaceInternal();
     std::pair<WifiStatus, std::vector<hidl_string>> getApIfaceNamesInternal();
-    std::pair<WifiStatus, sp<IWifiApIface>> getApIfaceInternal(
+    std::pair<WifiStatus, sp<V1_5::IWifiApIface>> getApIfaceInternal(
         const std::string& ifname);
     WifiStatus removeApIfaceInternal(const std::string& ifname);
     WifiStatus removeIfaceInstanceFromBridgedApIfaceInternal(
diff --git a/wifi/1.5/vts/functional/Android.bp b/wifi/1.5/vts/functional/Android.bp
index eb595c9..2d8b412 100644
--- a/wifi/1.5/vts/functional/Android.bp
+++ b/wifi/1.5/vts/functional/Android.bp
@@ -60,3 +60,26 @@
         "vts",
     ],
 }
+
+// SoftAP-specific tests, similar to VtsHalWifiApV1_0TargetTest.
+cc_test {
+    name: "VtsHalWifiApV1_5TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "wifi_chip_hidl_ap_test.cpp",
+    ],
+    static_libs: [
+        "VtsHalWifiV1_0TargetTestUtil",
+        "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
+        "android.hardware.wifi@1.2",
+        "android.hardware.wifi@1.3",
+        "android.hardware.wifi@1.4",
+        "android.hardware.wifi@1.5",
+        "libwifi-system-iface",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
diff --git a/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp b/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp
new file mode 100644
index 0000000..395d317
--- /dev/null
+++ b/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <VtsHalHidlTargetCallbackBase.h>
+#include <android-base/logging.h>
+
+#undef NAN  // NAN is defined in bionic/libc/include/math.h:38
+
+#include <android/hardware/wifi/1.4/IWifiChipEventCallback.h>
+#include <android/hardware/wifi/1.5/IWifi.h>
+#include <android/hardware/wifi/1.5/IWifiApIface.h>
+#include <android/hardware/wifi/1.5/IWifiChip.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+
+#include "wifi_hidl_call_util.h"
+#include "wifi_hidl_test_utils.h"
+
+using ::android::sp;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::wifi::V1_0::ChipModeId;
+using ::android::hardware::wifi::V1_0::IfaceType;
+using ::android::hardware::wifi::V1_0::IWifiIface;
+using ::android::hardware::wifi::V1_0::WifiDebugRingBufferStatus;
+using ::android::hardware::wifi::V1_0::WifiStatus;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
+using ::android::hardware::wifi::V1_4::IWifiChipEventCallback;
+using ::android::hardware::wifi::V1_5::IWifiApIface;
+using ::android::hardware::wifi::V1_5::IWifiChip;
+
+/**
+ * Fixture for IWifiChip tests that are conditioned on SoftAP support.
+ */
+class WifiChipHidlTest : public ::testing::TestWithParam<std::string> {
+   public:
+    virtual void SetUp() override {
+        // Make sure to start with a clean state
+        stopWifi(GetInstanceName());
+
+        wifi_chip_ = IWifiChip::castFrom(getWifiChip(GetInstanceName()));
+        ASSERT_NE(nullptr, wifi_chip_.get());
+    }
+
+    virtual void TearDown() override { stopWifi(GetInstanceName()); }
+
+   protected:
+    // Helper function to configure the Chip in one of the supported modes.
+    // Most of the non-mode-configuration-related methods require chip
+    // to be first configured.
+    ChipModeId configureChipForIfaceType(IfaceType type, bool expectSuccess) {
+        ChipModeId mode_id;
+        EXPECT_EQ(expectSuccess,
+                  configureChipToSupportIfaceType(wifi_chip_, type, &mode_id));
+        return mode_id;
+    }
+
+    WifiStatusCode createApIface(sp<IWifiApIface>* ap_iface) {
+        configureChipForIfaceType(IfaceType::AP, true);
+        const auto& status_and_iface = HIDL_INVOKE(wifi_chip_, createApIface);
+        *ap_iface = IWifiApIface::castFrom(status_and_iface.second);
+        return status_and_iface.first.code;
+    }
+
+    WifiStatusCode createBridgedApIface(sp<IWifiApIface>* ap_iface) {
+        configureChipForIfaceType(IfaceType::AP, true);
+        const auto& status_and_iface =
+            HIDL_INVOKE(wifi_chip_, createBridgedApIface);
+        *ap_iface = status_and_iface.second;
+        return status_and_iface.first.code;
+    }
+
+    sp<IWifiChip> wifi_chip_;
+
+   private:
+    std::string GetInstanceName() { return GetParam(); }
+};
+
+// TODO: b/173999527. Add test for bridged API.
+
+/*
+ * resetToFactoryMacAddress
+ */
+TEST_P(WifiChipHidlTest, resetToFactoryMacAddressTest) {
+    sp<IWifiApIface> wifi_ap_iface;
+    const auto& status_code = createApIface(&wifi_ap_iface);
+    if (status_code != WifiStatusCode::SUCCESS) {
+        EXPECT_EQ(WifiStatusCode::ERROR_NOT_SUPPORTED, status_code);
+    }
+    const auto& status = HIDL_INVOKE(wifi_ap_iface, resetToFactoryMacAddress);
+    EXPECT_EQ(WifiStatusCode::SUCCESS, status.code);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiChipHidlTest);
+INSTANTIATE_TEST_SUITE_P(
+    PerInstance, WifiChipHidlTest,
+    testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+        ::android::hardware::wifi::V1_5::IWifi::descriptor)),
+    android::hardware::PrintInstanceNameToString);