diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.idea
+composer.lock
+vendor
+logs
+.php_cs.cache
diff --git a/LICENCE.txt b/LICENCE.txt
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--- /dev/null
+++ b/LICENCE.txt
@@ -0,0 +1,15 @@
+The MIT License (MIT)
+Copyright (c) 2019 Craftsys, Inc
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,47 @@
+# MSG91 PHP Client
+
+This is a **PHP Client** for [MSG91 APIs](https://docs.msg91.com/collection/msg91-api-integration/5/pages/139).
+
+## Usage
+
+### Create a Client
+
+```php
+// initialize the client
+$client =  new MSG91Client(string $token, GuzzleHttp\Client $httpClient);
+// $token and $httpClient are optional
+// e.g. $client = new MSG91Client();
+// token can be provided at a later stage
+// $client->setToken($token);
+// $httpClient will be automatically created if none provided
+```
+
+### Managing OTPs
+
+#### Send OTP
+
+```php
+$client->otp(12345) // set the OTP. OTP parameter is optional
+	->to(912343434312) // set the mobile with country code
+	->country(91) // set the country code
+	->send(); // send the otp
+```
+
+### Verify OTP
+
+```php
+$client->otp(12345) // set the OTP that should be verified
+	->to(912343434312) // set the mobile with country code
+	->country(91) // set the country code
+	->verify(); // verify this otp
+```
+
+### Resend OTP
+
+```php
+$client->otp()
+	->to(912343434312) // set the mobile with country code
+	->country(91) // set the country code
+	->via("text") // way of retry: "text" | "voice"
+	->resend(); // resend otp
+```
diff --git a/composer.json b/composer.json
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--- /dev/null
+++ b/composer.json
@@ -0,0 +1,33 @@
+{
+  "name": "craftsys/msg91-php",
+  "description": "PHP Client for using MSG91's API.",
+  "license": "MIT",
+  "type": "library",
+  "authors": [
+    {
+      "name": "Sudhir Mitharwal",
+      "email": "luckysud4@gmail.com",
+      "role": "Developer",
+      "homepage": "http://github.com/sudkumar"
+    }
+  ],
+  "support": {
+    "email": "luckysud4@gmail.com"
+  },
+  "require": {
+    "php": ">=7.1"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^7.4"
+  },
+  "autoload": {
+    "psr-4": {
+      "Craftsys\\MSG91\\": "src/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Craftsys\\MSG91\\Test\\": "tests/"
+    }
+  }
+}
diff --git a/phpunit.xml b/phpunit.xml
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index 0000000..b92a5b3
--- /dev/null
+++ b/phpunit.xml
@@ -0,0 +1,12 @@
+<phpunit colors="true" bootstrap="vendor/autoload.php">
+    <testsuites>
+        <testsuite name="unit">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">./src/</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/src/Client.php b/src/Client.php
new file mode 100644
index 0000000..b077100
--- /dev/null
+++ b/src/Client.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Craftsys\MSG91;
+
+class Client
+{
+    public static function otp()
+    {
+        return 'WIP';
+    }
+}
diff --git a/tests/ClientTest.php b/tests/ClientTest.php
new file mode 100644
index 0000000..d9ecc5a
--- /dev/null
+++ b/tests/ClientTest.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Craftsys\MSG91\Test;
+
+use Craftsys\MSG91\Client;
+
+class ClientTest extends TestCase
+{
+    public function test_works()
+    {
+        $hello = (new Client())->otp();
+        $this->assertEquals("WIP", $hello);
+    }
+}
diff --git a/tests/TestCase.php b/tests/TestCase.php
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index 0000000..ee21494
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Craftsys\MSG91\Test;
+
+use PHPUnit\Framework\TestCase as BaseTestCase;
+
+abstract class TestCase extends BaseTestCase
+{ }