diff --git a/spec/controllers/scim_rails/scim_users_request_spec.rb b/spec/controllers/scim_rails/scim_users_request_spec.rb
new file mode 100644
index 0000000..0845e77
--- /dev/null
+++ b/spec/controllers/scim_rails/scim_users_request_spec.rb
@@ -0,0 +1,51 @@
+require "spec_helper"
+
+RSpec.describe ScimRails::ScimUsersController, type: :request do
+  let(:company) { create(:company) }
+  let(:credentials) { Base64::encode64("#{company.subdomain}:#{company.api_token}") }
+  let(:authorization) { "Basic #{credentials}" }
+
+  def post_request(content_type)
+    # params need to be transformed into a string to test if they are being parsed by Rack
+
+    post "/scim_rails/scim/v2/Users",
+    params: {
+      name: {
+        givenName: "New",
+        familyName: "User"
+      },
+      emails: [
+        {
+          value: "new@example.com"
+        }
+      ]
+    }.to_json,
+    headers: {
+      'Authorization': authorization,
+      'Content-Type': content_type
+    }
+  end
+
+  describe "Content-Type" do
+    it "accepts scim+json" do
+      expect(company.users.count).to eq 0
+
+      post_request("application/scim+json")
+
+      expect(request.params).to include :name
+      expect(response.status).to eq 201
+      expect(response.content_type).to eq "application/scim+json, application/json"
+      expect(company.users.count).to eq 1
+    end
+
+    it "can not parse unfamiliar content types" do
+      expect(company.users.count).to eq 0
+
+      post_request("invalid_type")
+
+      expect(request.params).not_to include :name
+      expect(response.status).to eq 422
+      expect(company.users.count).to eq 0
+    end
+  end
+end
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