diff --git a/.gitattributes b/.gitattributes
index 5a0d5e4..6313b56 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,2 +1 @@
-# Auto detect text files and perform LF normalization
 * text=auto eol=lf
diff --git a/.gitignore b/.gitignore
index f5c664a..d5805d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,11 +1,40 @@
+__pycache__/
+.gradle/
+.idea/
+.metals/
 .next/
 .parcel-cache/
-[Bb]uild/
-[Ss]aved/
+.vs/
+.vscode/
+bin/
+binaries/
+build/
 node_modules/
+obj/
+saved/
+target/
 
-*.wasm
 .DS_Store
 .env
+*.crt
+*.csproj
+*.filters
+*.fsproj
+*.key
+*.log
+*.make
+*.mwb.bak
+*.pem
+*.sln
+*.user
+*.vcxproj
+*.vpp.*
+*.wasm
+*.xcodeproj
+*.xcworkspace
+Cargo.lock
 desktop.ini
-yarn-error.log
+keystore.jks
+local.properties
+Makefile
+next-env.d.ts
diff --git a/LICENSE.txt b/LICENSE.txt
index a9afc15..7df1b1d 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright (c) TribuFu. All Rights Reserved
+   Copyright (c) Tribufu. All Rights Reserved
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
diff --git a/Source/index.ts b/Source/index.ts
deleted file mode 100644
index 81190fd..0000000
--- a/Source/index.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-// Copyright (c) TribuFu. All Rights Reserved.
-
-export const VERSION = "0.0.0";
diff --git a/package.json b/package.json
index 9abd947..4d11eeb 100644
--- a/package.json
+++ b/package.json
@@ -1,22 +1,28 @@
 {
     "name": "tribufu",
-    "version": "0.0.2",
-    "description": "TribuFu JS SDK",
-    "repository": "https://github.com/TribuFu/SDK-JS",
-    "author": "TribuFu <contact@tribufu.com>",
+    "version": "0.0.4",
+    "description": "Tribufu JS SDK",
+    "repository": "https://github.com/Tribufu/SDK-JS",
+    "author": "Tribufu <contact@Tribufu.com>",
     "license": "Apache-2.0",
-    "source": "Source/index.ts",
-    "main": "Build/main.js",
-    "module": "Build/module.js",
-    "types": "Build/index.d.ts",
+    "source": "src/index.ts",
+    "main": "build/main.js",
+    "module": "build/module.js",
+    "types": "build/index.d.ts",
     "scripts": {
-        "watch": "parcel watch --cache-dir Saved/Cache",
-        "build": "parcel build --cache-dir Saved/Cache",
-        "prepare": "npm run build"
+        "watch": "parcel watch --cache-dir saved/cache",
+        "build": "parcel build --cache-dir saved/cache"
+    },
+    "dependencies": {
+        "axios": "^1.6.2",
+        "json-bigint": "^1.0.0",
+        "uuid": "^9.0.1"
     },
     "devDependencies": {
         "@parcel/packager-ts": "2.8.3",
         "@parcel/transformer-typescript-types": "2.8.3",
+        "@types/json-bigint": "^1.0.4",
+        "@types/uuid": "^9.0.7",
         "parcel": "^2.8.3",
         "typescript": ">=3.0.0"
     }
diff --git a/src/index.ts b/src/index.ts
new file mode 100644
index 0000000..c0e82a6
--- /dev/null
+++ b/src/index.ts
@@ -0,0 +1,33 @@
+// Copyright (c) Tribufu. All Rights Reserved.
+
+import axios, { AxiosInstance } from 'axios';
+
+export const VERSION = "0.0.4";
+
+export class TribufuClient {
+    private id: BigInt;
+    private secret: string;
+    private http: AxiosInstance;
+
+    constructor(id: BigInt, secret: string) {
+        this.id = id;
+        this.secret = secret;
+
+        const targetTriple = "JavaScript";
+        const userAgent = `Tribufu/${VERSION} (+https://api.tribufu.com; ${targetTriple}`;
+        const headers = {
+            "User-Agent": userAgent,
+            "X-Tribufu-Language": "javascript",
+            "X-Tribufu-Version": VERSION,
+        };
+
+        this.http = axios.create({
+            baseURL: 'https://api.tribufu.com',
+            headers,
+        });
+    }
+
+    public getId(): BigInt {
+        return this.id;
+    }
+}
diff --git a/tsconfig.json b/tsconfig.json
new file mode 100644
index 0000000..444a833
--- /dev/null
+++ b/tsconfig.json
@@ -0,0 +1,15 @@
+{
+    "compilerOptions": {
+        "target": "ES2020",
+        "module": "ES2020",
+        "moduleResolution": "Node",
+        "esModuleInterop": true,
+        "declaration": true,
+        "emitDeclarationOnly": true,
+        "forceConsistentCasingInFileNames": true,
+    },
+    "exclude": [
+        "build",
+        "node_modules",
+    ],
+}
diff --git a/yarn.lock b/yarn.lock
index 80adb30..a6f73b3 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -749,6 +749,16 @@
   resolved "https://registry.yarnpkg.com/@trysound/sax/-/sax-0.2.0.tgz#cccaab758af56761eb7bf37af6f03f326dd798ad"
   integrity sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==
 
+"@types/json-bigint@^1.0.4":
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/@types/json-bigint/-/json-bigint-1.0.4.tgz#250d29e593375499d8ba6efaab22d094c3199ef3"
+  integrity sha512-ydHooXLbOmxBbubnA7Eh+RpBzuaIiQjh8WGJYQB50JFGFrdxW7JzVlyEV7fAXw0T2sqJ1ysTneJbiyNLqZRAag==
+
+"@types/uuid@^9.0.7":
+  version "9.0.7"
+  resolved "https://registry.yarnpkg.com/@types/uuid/-/uuid-9.0.7.tgz#b14cebc75455eeeb160d5fe23c2fcc0c64f724d8"
+  integrity sha512-WUtIVRUZ9i5dYXefDEAI7sh9/O7jGvHg7Df/5O/gtH3Yabe5odI3UWopVR1qbPXQtvOxWu3mM4XxlYeZtMWF4g==
+
 abortcontroller-polyfill@^1.1.9:
   version "1.7.5"
   resolved "https://registry.yarnpkg.com/abortcontroller-polyfill/-/abortcontroller-polyfill-1.7.5.tgz#6738495f4e901fbb57b6c0611d0c75f76c485bed"
@@ -778,6 +788,20 @@ argparse@^2.0.1:
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-2.0.1.tgz#246f50f3ca78a3240f6c997e8a9bd1eac49e4b38"
   integrity sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==
 
+asynckit@^0.4.0:
+  version "0.4.0"
+  resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
+  integrity sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==
+
+axios@^1.6.2:
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.6.2.tgz#de67d42c755b571d3e698df1b6504cde9b0ee9f2"
+  integrity sha512-7i24Ri4pmDRfJTR7LDBhsOTtcm+9kjX5WiY1X3wIisx6G9So3pfMkEiU7emUBe46oceVImccTEM3k6C5dbVW8A==
+  dependencies:
+    follow-redirects "^1.15.0"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
+
 base-x@^3.0.8:
   version "3.0.9"
   resolved "https://registry.yarnpkg.com/base-x/-/base-x-3.0.9.tgz#6349aaabb58526332de9f60995e548a53fe21320"
@@ -785,6 +809,11 @@ base-x@^3.0.8:
   dependencies:
     safe-buffer "^5.0.1"
 
+bignumber.js@^9.0.0:
+  version "9.1.2"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.2.tgz#b7c4242259c008903b13707983b5f4bbd31eda0c"
+  integrity sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==
+
 boolbase@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/boolbase/-/boolbase-1.0.0.tgz#68dff5fbe60c51eb37725ea9e3ed310dcc1e776e"
@@ -873,6 +902,13 @@ color-name@~1.1.4:
   resolved "https://registry.yarnpkg.com/color-name/-/color-name-1.1.4.tgz#c2a09a87acbde69543de6f63fa3995c826c536a2"
   integrity sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==
 
+combined-stream@^1.0.8:
+  version "1.0.8"
+  resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
+  integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
+  dependencies:
+    delayed-stream "~1.0.0"
+
 commander@^2.20.0:
   version "2.20.3"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.3.tgz#fd485e84c03eb4881c20722ba48035e8531aeb33"
@@ -924,6 +960,11 @@ csso@^4.2.0:
   dependencies:
     css-tree "^1.1.2"
 
+delayed-stream@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
+  integrity sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==
+
 detect-libc@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/detect-libc/-/detect-libc-1.0.3.tgz#fa137c4bd698edf55cd5cd02ac559f91a4c4ba9b"
@@ -1008,6 +1049,20 @@ fill-range@^7.0.1:
   dependencies:
     to-regex-range "^5.0.1"
 
+follow-redirects@^1.15.0:
+  version "1.15.3"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.3.tgz#fe2f3ef2690afce7e82ed0b44db08165b207123a"
+  integrity sha512-1VzOtuEM8pC9SFU1E+8KfTjZyMztRsgEfwQl44z8A25uy13jSzTj6dyK2Df52iV0vgHCfBwLhDWevLn95w5v6Q==
+
+form-data@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/form-data/-/form-data-4.0.0.tgz#93919daeaf361ee529584b9b31664dc12c9fa452"
+  integrity sha512-ETEklSGi5t0QMZuiXoA/Q6vcnxcLQP5vdugSpuAyi6SVGi2clPPp+xgEhuMaHC+zGgn31Kd235W35f7Hykkaww==
+  dependencies:
+    asynckit "^0.4.0"
+    combined-stream "^1.0.8"
+    mime-types "^2.1.12"
+
 get-port@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/get-port/-/get-port-4.2.0.tgz#e37368b1e863b7629c43c5a323625f95cf24b119"
@@ -1096,6 +1151,13 @@ js-yaml@^4.1.0:
   dependencies:
     argparse "^2.0.1"
 
+json-bigint@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/json-bigint/-/json-bigint-1.0.0.tgz#ae547823ac0cad8398667f8cd9ef4730f5b01ff1"
+  integrity sha512-SiPv/8VpZuWbvLSMtTDU8hEfrZWg/mH/nV/b4o0CYbSxu1UIQPLdwKOCIyLQX+VIPO5vrLX3i8qtqFyhdPSUSQ==
+  dependencies:
+    bignumber.js "^9.0.0"
+
 json-parse-even-better-errors@^2.3.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/json-parse-even-better-errors/-/json-parse-even-better-errors-2.3.1.tgz#7c47805a94319928e05777405dc12e1f7a4ee02d"
@@ -1198,6 +1260,18 @@ micromatch@^4.0.5:
     braces "^3.0.2"
     picomatch "^2.3.1"
 
+mime-db@1.52.0:
+  version "1.52.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.52.0.tgz#bbabcdc02859f4987301c856e3387ce5ec43bf70"
+  integrity sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==
+
+mime-types@^2.1.12:
+  version "2.1.35"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.35.tgz#381a871b62a734450660ae3deee44813f70d959a"
+  integrity sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==
+  dependencies:
+    mime-db "1.52.0"
+
 msgpackr-extract@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/msgpackr-extract/-/msgpackr-extract-3.0.2.tgz#e05ec1bb4453ddf020551bcd5daaf0092a2c279d"
@@ -1352,6 +1426,11 @@ posthtml@^0.16.4, posthtml@^0.16.5:
     posthtml-parser "^0.11.0"
     posthtml-render "^3.0.0"
 
+proxy-from-env@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/proxy-from-env/-/proxy-from-env-1.1.0.tgz#e102f16ca355424865755d2c9e8ea4f24d58c3e2"
+  integrity sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==
+
 react-error-overlay@6.0.9:
   version "6.0.9"
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-6.0.9.tgz#3c743010c9359608c375ecd6bc76f35d93995b0a"
@@ -1487,6 +1566,11 @@ utility-types@^3.10.0:
   resolved "https://registry.yarnpkg.com/utility-types/-/utility-types-3.10.0.tgz#ea4148f9a741015f05ed74fd615e1d20e6bed82b"
   integrity sha512-O11mqxmi7wMKCo6HKFt5AhO4BwY3VV68YU07tgxfz8zJTIxr4BpsezN49Ffwy9j3ZpwwJp4fkRwjRzq3uWE6Rg==
 
+uuid@^9.0.1:
+  version "9.0.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-9.0.1.tgz#e188d4c8853cc722220392c424cd637f32293f30"
+  integrity sha512-b+1eJOlsR9K8HJpow9Ok3fiWOWSIcIzXodvv0rQjVoOVNpWMpxf1wZNpt4y9h10odCNrqnYp1OBzRktckBe3sA==
+
 v8-compile-cache@^2.0.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz#2de19618c66dc247dcfb6f99338035d8245a2cee"