diff --git a/network/netmanager/include/net_connection.h b/network/netmanager/include/net_connection.h
index 9446b979f44c3da41f68a5eb0c59c5b987adbed6..4ef8dad6ec7ccae90938389518730374916ae624 100644
--- a/network/netmanager/include/net_connection.h
+++ b/network/netmanager/include/net_connection.h
@@ -219,6 +219,99 @@ int32_t OHOS_NetConn_UnregisterDnsResolver(void);
  */
 int32_t OH_NetConn_BindSocket(int32_t socketFd, NetConn_NetHandle *netHandle);
 
+/**
+ * @brief Sets http proxy information to current application.
+ *
+ * @param httpProxy Information about the proxy that needs to be set.
+ * @return 0 - Success.
+ *         401 - Parameter error.
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NetConn_SetAppHttpProxy(NetConn_HttpProxy *httpProxy);
+
+/**
+ * @brief Registers callback to listen for changes to the application-level http proxy.
+ *
+ * @param appHttpProxyChange Callback that need to be registered to listen for changes to the http proxy.
+ * @param callbackId Callback id returned after registration, associated with a registered callback.
+ * @return 0 - Success.
+ *         401 - Parameter error.
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NetConn_RegisterAppHttpProxyCallback(OH_NetConn_AppHttpProxyChange appHttpProxyChange, uint32_t *callbackId);
+
+/**
+ * @brief Unregisters a callback function that listens for application-level proxy changes.
+ *
+ * @param callbackId Id of the callback function that needs to be deregistered.
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+void OH_NetConn_UnregisterAppHttpProxyCallback(uint32_t callbackId);
+
+/**
+ * @brief Register callback, used to monitor specific network status.
+ *
+ * @param netSpecifier specifier information.
+ * @param callback The callback needed to be registered.
+ * @param timeout The timeout period in milliseconds.
+ * @param callbackId out param, corresponding to a registered callback.
+ * @return 0 - Success.
+ *         201 - Permission denied.
+ *         401 - Parameter error.
+ *         2100002 - Failed to connect to the service.
+ *         2100003 - System internal error.
+ *         2101008 - The callback already exists.
+ *         2101022 - The number of requests exceeded the maximum allowed.
+ * @permission ohos.permission.GET_NETWORK_INFO
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NetConn_RegisterNetConnCallback(NetConn_NetSpecifier *specifier, NetConn_NetConnCallback *netConnCallback,
+                                           uint32_t timeout, uint32_t *callbackId);
+
+/**
+ * @brief Registers a callback to listen default network's status changed.
+ *
+ * @param callback The callback needed to be registered.
+ * @param callbackId out param, corresponding to a registered callback.
+ * @return 0 - Success.
+ *         201 - Permission denied.
+ *         401 - Parameter error.
+ *         2100002 - Failed to connect to the service.
+ *         2100003 - System internal error.
+ *         2101008 - The callback already exists.
+ *         2101022 - The number of requests exceeded the maximum allowed.
+ * @permission ohos.permission.GET_NETWORK_INFO
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NetConn_RegisterDefaultNetConnCallback(NetConn_NetConnCallback *netConnCallback, uint32_t *callbackId);
+
+/**
+ * @brief Unregister network status callback.
+ *
+ * @param callBackId the id corresponding to a registered callback.
+ * @return 0 - Success.
+ *         201 - Permission denied.
+ *         401 - Parameter error.
+ *         2100002 - Failed to connect to the service.
+ *         2100003 - System internal error.
+ *         2101007 - The callback does not exists.
+ * @permission ohos.permission.GET_NETWORK_INFO
+ * @syscap SystemCapability.Communication.NetManager.Core
+ * @since 12
+ * @version 1.0
+ */
+int32_t OH_NetConn_UnregisterNetConnCallback(uint32_t callBackId);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/network/netmanager/include/net_connection_type.h b/network/netmanager/include/net_connection_type.h
index 36f68e874b74dbb730e9e78a7b6f946d7b62145d..436698c2906cd90c5e0a78f861c0302c32e9d566 100644
--- a/network/netmanager/include/net_connection_type.h
+++ b/network/netmanager/include/net_connection_type.h
@@ -248,6 +248,114 @@ typedef struct NetConn_NetHandleList {
  */
 typedef int (*OH_NetConn_CustomDnsResolver)(const char *host, const char *serv,
     const struct addrinfo *hint, struct addrinfo **res);
+
+/**
+ * @brief Callback for application’s http proxy information changed.
+ *
+ * @param proxy The changed proxy information, may be a null pointer.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_AppHttpProxyChange)(NetConn_HttpProxy *proxy);
+
+/**
+ * @brief Definition of network specifier.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef struct NetConn_NetSpecifier {
+    /** Network capabilities. */
+    NetConn_NetCapabilities caps;
+    /** Network identifier */
+    char *bearerPrivateIdentifier;
+} NetConn_NetSpecifier;
+
+/**
+ * @brief Callback for network available.
+ *
+ * @param netHandle The network handle.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetworkAvailable)(NetConn_NetHandle *netHandle);
+
+/**
+ * @brief Callback for network capabilities changed.
+ *
+ * @param netHandle The network handle.
+ * @param netCapabilities The network capabilities.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetCapabilitiesChange)(NetConn_NetHandle *netHandle,
+                                                 NetConn_NetCapabilities *netCapabilities);
+
+/**
+ * @brief Callback for network connection properties changed.
+ *
+ * @param netHandle The network handle.
+ * @param connConnetionProperties The network connection properties.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetConnectionPropertiesChange)(NetConn_NetHandle *netHandle,
+                                                         NetConn_ConnectionProperties *connConnetionProperties);
+
+/**
+ * @brief Callback for network lost.
+ *
+ * @param netHandle The network handle.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetLost)(NetConn_NetHandle *netHandle);
+
+/**
+ * @brief Callback for network unavailable, this function invoked while network can not be available in given timeout.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetUnavailable)(void);
+
+/**
+ * @brief Callback for network blocked status changed.
+ *
+ * @param netHandle The network handle.
+ * @param blocked The flag used to indicate whether the network will be blocked.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef void (*OH_NetConn_NetBlockStatusChange)(NetConn_NetHandle *netHandle, bool blocked);
+
+/**
+ * @brief Defines the network connection callbacks.
+ *
+ * @since 12
+ * @version 1.0
+ */
+typedef struct NetConn_NetConnCallback {
+    /** Callback for network available */
+    OH_NetConn_NetworkAvailable onNetworkAvailable;
+    /** Callback for network capabilities changed */
+    OH_NetConn_NetCapabilitiesChange onNetCapabilitiesChange;
+    /** Callback for network connection properties changed */
+    OH_NetConn_NetConnectionPropertiesChange onConnetionProperties;
+    /** Callback for network lost */
+    OH_NetConn_NetLost onNetLost;
+    /** Callback for network unavailable, this function invoked while network can not be available in given timeout */
+    OH_NetConn_NetUnavailable onNetUnavailable;
+    /** Callback for network blocked status changed */
+    OH_NetConn_NetBlockStatusChange onNetBlockStatusChange;
+} NetConn_NetConnCallback;
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/network/netmanager/libnet_connection.ndk.json b/network/netmanager/libnet_connection.ndk.json
index 67993dd381e6caddb618dfaad2cde7b7ba825eab..792eff18ed13c4be4641d798da6a60e14a7d1e1f 100644
--- a/network/netmanager/libnet_connection.ndk.json
+++ b/network/netmanager/libnet_connection.ndk.json
@@ -46,5 +46,29 @@
     {
         "first_introduced": "12",
         "name": "OH_NetConn_BindSocket"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_SetAppHttpProxy"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_RegisterAppHttpProxyCallback"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_UnregisterAppHttpProxyCallback"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_RegisterNetConnCallback"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_RegisterDefaultNetConnCallback"
+    },
+    {
+        "first_introduced": "12",
+        "name": "OH_NetConn_UnregisterNetConnCallback"
     }
-]
+]
\ No newline at end of file