diff --git a/.gitignore b/.gitignore
index 282b562..0dc12eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -136,3 +136,4 @@ dmypy.json
 *.pyi
 !*.example.jsonc
 *.epub
+!*.schema.json
diff --git a/schema/base64.schema.json b/schema/base64.schema.json
new file mode 100644
index 0000000..5f664bb
--- /dev/null
+++ b/schema/base64.schema.json
@@ -0,0 +1,6 @@
+{
+    "$schema": "http://json-schema.org/schema",
+    "$id": "https://github.com/lifegpc/pythonscript/raw/master/schema/base64.schema.json",
+    "type": "string",
+    "pattern": "^(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?$"
+}
diff --git a/schema/tdlib.schema.json b/schema/tdlib.schema.json
new file mode 100644
index 0000000..e312d5e
--- /dev/null
+++ b/schema/tdlib.schema.json
@@ -0,0 +1,95 @@
+{
+    "$schema": "http://json-schema.org/schema",
+    "$id": "https://github.com/lifegpc/pythonscript/raw/master/schema/tdlib.schema.json",
+    "title": "Tdlib",
+    "description": "Tdlib settings",
+    "type": "object",
+    "properties": {
+        "bot_encryption_key": {
+            "$ref": "base64.schema.json",
+            "description": "Encryption key to check or set up for bot. Need base64 encoded.",
+            "minLength": 4
+        },
+        "bot_token": {
+            "description": "Bot Token, which can be obtained with @BotFather .",
+            "type": "string"
+        },
+        "BotTdlibParameters": {
+            "$ref": "tdlib_parameters.schema.json",
+            "description": "Same as TdlibParameters, but when creating a bot session, these parameters will override parameters in TdlibParameters",
+            "required": [
+                "database_directory"
+            ]
+        },
+        "encryption_key": {
+            "$ref": "base64.schema.json",
+            "description": "Encryption key to check or set up. Need base64 encoded.",
+            "minLength": 4
+        },
+        "phone_number": {
+            "description": "User's phone number",
+            "type": "string",
+            "pattern": "^\\+?[0-9]+$"
+        },
+        "proxy": {
+            "description": "Proxy settings.",
+            "type": "object",
+            "properties": {
+                "port": {
+                    "description": "The port of the proxy.",
+                    "type": "number"
+                },
+                "server": {
+                    "description": "The server address of the proxy.",
+                    "type": "string"
+                },
+                "type": {
+                    "description": "The type of the proxy.",
+                    "type": "object",
+                    "properties": {
+                        "@type": {
+                            "description": "The type of the proxy type. Support proxyTypeHttp, proxyTypeSocks5, proxyTypeMtproto.",
+                            "type": "string",
+                            "enum": ["proxyTypeHttp", "proxyTypeSocks5", "proxyTypeMtproto"]
+                        },
+                        "http_only": {
+                            "description": "Pass true if the proxy supports only HTTP requests and doesn't support transparent TCP connections via HTTP CONNECT method. Supported if @type is proxyTypeHttp.",
+                            "type": "boolean",
+                            "default": false
+                        },
+                        "password": {
+                            "description": "The password to authenticate. Supported if @type is proxyTypeHttp or proxyTypeSocks5",
+                            "type": "string"
+                        },
+                        "secret": {
+                            "description": "The proxy's secret in hexadecimal encoding. Supported if @type is proxyTypeMtproto.",
+                            "type": "string",
+                            "pattern": "^[0-9a-fA-F]+$"
+                        },
+                        "username": {
+                            "description": "The username to authenticate. Supported if @type is proxyTypeHttp or proxyTypeSocks5",
+                            "type": "string"
+                        }
+                    }
+                }
+            },
+            "required": [
+                "port",
+                "server",
+                "type"
+            ]
+        },
+        "TdlibParameters": {
+            "$ref": "tdlib_parameters.schema.json",
+            "required": [
+                "api_hash",
+                "api_id"
+            ]
+        }
+    },
+    "required": [
+        "encryption_key",
+        "phone_number",
+        "TdlibParameters"
+    ]
+}
diff --git a/schema/tdlib_parameters.schema.json b/schema/tdlib_parameters.schema.json
new file mode 100644
index 0000000..dcd638e
--- /dev/null
+++ b/schema/tdlib_parameters.schema.json
@@ -0,0 +1,81 @@
+{
+    "$schema": "http://json-schema.org/schema",
+    "$id": "https://github.com/lifegpc/pythonscript/raw/master/schema/tdlib_parameters.schema.json",
+    "title": "Tdlib Parameters",
+    "description": "Parameters of tdlib. Detailed information is availabled on https://core.telegram.org/tdlib/docs/classtd_1_1td__api_1_1tdlib_parameters.html",
+    "type": "object",
+    "properties": {
+        "api_hash": {
+            "description": "Application identifier hash for Telegram API access, which can be obtained at https://my.telegram.org.",
+            "type": "string"
+        },
+        "api_id": {
+            "description": "Application identifier for Telegram API access, which can be obtained at https://my.telegram.org .",
+            "type": "number",
+            "maximum": 2147483647,
+            "minimum": -2147483648
+        },
+        "application_version": {
+            "description": "Application version; must be non-empty.",
+            "type": "string",
+            "default": "1.0.0"
+        },
+        "database_directory": {
+            "description": "The path to the directory for the persistent database; if empty, the current working directory will be used.",
+            "type": "string"
+        },
+        "device_model": {
+            "description": "Model of the device the application is being run on; must be non-empty.",
+            "type": "string",
+            "default": "Desktop"
+        },
+        "enable_storage_optimizer": {
+            "description": "If set to true, old files will automatically be deleted.",
+            "type": "string",
+            "default": true
+        },
+        "files_directory": {
+            "description": "The path to the directory for storing files; if empty, database_directory will be used.",
+            "type": "string"
+        },
+        "ignore_file_names": {
+            "description": "If set to true, original file names will be ignored. Otherwise, downloaded files will be saved under names as close as possible to the original name.",
+            "type": "boolean",
+            "default": false
+        },
+        "system_language_code": {
+            "description": "IETF language tag of the user's operating system language; must be non-empty.",
+            "type": "string",
+            "default": "en"
+        },
+        "system_version": {
+            "description": "Version of the operating system the application is being run on. If empty, the version is automatically detected by TDLib.",
+            "type": "string"
+        },
+        "use_chat_info_database": {
+            "description": "If set to true, the library will maintain a cache of users, basic groups, supergroups, channels and secret chats. Implies use_file_database.",
+            "type": "boolean",
+            "default": false
+        },
+        "use_file_database": {
+            "description": "If set to true, information about downloaded and uploaded files will be saved between application restarts.",
+            "type": "boolean",
+            "default": false
+        },
+        "use_message_database": {
+            "description": "If set to true, the library will maintain a cache of chats and messages. Implies use_chat_info_database.",
+            "type": "boolean",
+            "default": false
+        },
+        "use_secret_chats": {
+            "description": "If set to true, support for secret chats will be enabled.",
+            "type": "boolean",
+            "default": true
+        },
+        "use_test_dc": {
+            "description": "If set to true, the Telegram test environment will be used instead of the production environment.",
+            "type": "boolean",
+            "default": false
+        }
+    }
+}
diff --git a/tdlib.example.jsonc b/tdlib.example.jsonc
index 0df1666..ed070f8 100644
--- a/tdlib.example.jsonc
+++ b/tdlib.example.jsonc
@@ -1,11 +1,12 @@
 {
+    "$schema": "schema/tdlib.schema.json",
     "TdlibParameters": { // Detailed information is availabled on https://core.telegram.org/tdlib/docs/classtd_1_1td__api_1_1tdlib_parameters.html
         "api_id": 12345678, // Application identifier for Telegram API access, which can be obtained at https://my.telegram.org.
         "api_hash": "1234567890abcdef0123456789abcdef", // Application identifier hash for Telegram API access, which can be obtained at https://my.telegram.org.
         "database_directory": "/path/to/database", // Optional. The path to the directory for the persistent database; if empty, the current working directory will be used.
         "use_message_database": false // Optional. If set to true, the library will maintain a cache of chats and messages. Warn: TdLib do not provide a function to optimize database.
     },
-    "encryption_key": "Base64 encoded's key",  // Encryption key to check or set up. Need base64 encoded.
+    "encryption_key": "AA==",  // Encryption key to check or set up. Need base64 encoded.
     "proxy": { // Optional. Specify proxy
         "server": "127.0.0.1",
         "port": 1080,
@@ -21,6 +22,6 @@
     "BotTdlibParameters": { // Optional. Same as TdlibParameters, but when creating a bot session, these parameters will override parameters in TdlibParameters
         "database_directory": "/path/to/botdatabase"
     },
-    "bot_encryption_key": "Base64 encoded's key",  // Optional. Encryption key to check or set up for bot. Need base64 encoded.
+    "bot_encryption_key": "AA==",  // Optional. Encryption key to check or set up for bot. Need base64 encoded.
     "bot_token": "12345678:235zoHFG" // Optional. Bot Token, which can be obtained with @BotFather
 }