diff --git a/Gemfile.lock b/Gemfile.lock
index c1a8881..8ab36f4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    kalshi (0.0.3)
+    kalshi (0.0.4)
       dry-cli
       dry-configurable
       dry-container
@@ -230,7 +230,7 @@ CHECKSUMS
   httpx (1.7.0) sha256=e219689555951f9c13c40862da120cdd2535e1454189bed589f04d7059557154
   io-console (0.8.2) sha256=d6e3ae7a7cc7574f4b8893b4fca2162e57a825b223a177b7afa236c5ef9814cc
   json (2.18.0) sha256=b10506aee4183f5cf49e0efc48073d7b75843ce3782c68dbeb763351c08fd505
-  kalshi (0.0.3)
+  kalshi (0.0.4)
   language_server-protocol (3.17.0.5) sha256=fd1e39a51a28bf3eec959379985a72e296e9f9acfce46f6a79d31ca8760803cc
   lint_roller (1.1.0) sha256=2c0c845b632a7d172cb849cc90c1bce937a28c5c8ccccb50dfd46a485003cc87
   logger (1.7.0) sha256=196edec7cc44b66cfb40f9755ce11b392f21f7967696af15d274dde7edff0203
diff --git a/lib/kalshi/client.rb b/lib/kalshi/client.rb
index 4df5e0a..20ca3a6 100644
--- a/lib/kalshi/client.rb
+++ b/lib/kalshi/client.rb
@@ -2,6 +2,7 @@
 
 require 'httpx'
 require 'json'
+require 'uri'
 
 module Rubyists
   module Kalshi
@@ -19,13 +20,33 @@ def initialize(base_url: Kalshi.config.base_url)
                      .with(origin: base_url)
       end
 
+      # Get response from a path, adding the base_url,
+      # and a prefix, if set on the client.
+      #
+      # see #full_path for details
+      #
+      # @param path [String] The URL path
+      #
+      # @return [Hash] The parsed JSON response
       def get(path, params: {})
-        get_without_prefix(full_url(path), params:)
+        get_url(full_url(path), params:)
       end
 
-      def get_without_prefix(path, params: {})
-        response = @http.get(path, params:)
+      # Get response from a URL
+      # Must pass a full URL, including scheme (http/https), host, etc.
+      #
+      # @param path [String] The full URL path
+      #
+      # @return [Hash] The parsed JSON response
+      def get_url(url, params: {})
+        uri = URI.parse(url)
+        raise ArgumentError, 'URL must be http or https' unless %w[http https].include?(uri.scheme)
+
+        response = @http.get(url, params:)
         handle_response(response)
+      rescue ArgumentError => e
+        logger.error('Invalid URL', url:, exception: e)
+        raise Error, "Invalid URL: #{e.message}"
       end
 
       def market
diff --git a/test/kalshi/client_test.rb b/test/kalshi/client_test.rb
index 28b2e29..82de174 100644
--- a/test/kalshi/client_test.rb
+++ b/test/kalshi/client_test.rb
@@ -18,6 +18,35 @@
     end
   end
 
+  describe '#get_url' do
+    it 'fetches from a full URL' do
+      url = 'https://example.com/api/resource'
+      stub_request(:get, url)
+        .to_return(status: 200, body: '{"data": "value"}', headers: { 'Content-Type' => 'application/json' })
+
+      client = Rubyists::Kalshi::Client.new
+      response = client.get_url(url)
+
+      assert_equal({ data: 'value' }, response)
+    end
+
+    it 'raises Error for invalid URL scheme' do
+      client = Rubyists::Kalshi::Client.new
+      error = assert_raises(Rubyists::Kalshi::Error) do
+        client.get_url('ftp://example.com')
+      end
+      assert_match(/Invalid URL/, error.message)
+    end
+
+    it 'raises Error for invalid URL format' do
+      client = Rubyists::Kalshi::Client.new
+      error = assert_raises(Rubyists::Kalshi::Error) do
+        client.get_url('not_a_url')
+      end
+      assert_match(/Invalid URL/, error.message)
+    end
+  end
+
   describe '#market' do
     it 'returns a Market::Client instance' do
       client = Rubyists::Kalshi::Client.new