diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000000000000000000000000000000000000..fc3057c3e3e0044a591aa4914bffc82420a48959
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,36 @@
+{
+  "name": "wpdesk/wp-api-client",
+  "authors": [
+    {
+      "name": "Krzysiek",
+      "email": "krzysiek@wpdesk.pl"
+    }
+  ],
+  "require": {
+    "php": ">=5.5",
+    "psr/log": "^1.0.1",
+    "wpdesk/wp-cache": "dev-master",
+    "wpdesk/wp-http-client": "dev-master",
+    "psr/simple-cache": "^1.0"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "<7",
+    "wp-coding-standards/wpcs": "^0.14.1",
+    "squizlabs/php_codesniffer": "^3.0.2",
+    "mockery/mockery": "*",
+    "10up/wp_mock": "*"
+  },
+  "autoload": {
+    "psr-4": {
+      "WPDesk\\ApiClient\\": "src/"
+    }
+  },
+  "autoload-dev": {
+  },
+  "scripts": {
+    "phpunit-unit": "phpunit --configuration phpunit-unit.xml --coverage-text --colors=never",
+    "phpunit-unit-fast": "phpunit --configuration phpunit-unit.xml --no-coverage",
+    "phpunit-integration": "phpunit --configuration phpunit-integration.xml --coverage-text --colors=never",
+    "phpunit-integration-fast": "phpunit --configuration phpunit-integration.xml --no-coverage"
+  }
+}