diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
@@ -0,0 +1,2 @@
+#### List of Tools
+- **generate_invite_code.rb** - generates an invite code for hackthebox.eu
diff --git a/generate_invite_code.rb b/generate_invite_code.rb
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index 0000000..2983b3c
--- /dev/null
+++ b/generate_invite_code.rb
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+#!/usr/bin/env ruby
+
+require 'net/http'
+require 'json'
+require 'base64'
+
+# send the POST request to generate the code
+uri = URI('https://www.hackthebox.eu/api/invite/generate')
+res = Net::HTTP.post_form(uri, 'q' => 'ruby', 'max' => '50')
+
+# parse through the http response from our POST request and extract just the
+# base64 encode data
+
+json = JSON.parse res.body
+
+# base64 decode it
+invite_code = Base64.decode64(json['data']['code'])
+puts invite_code