diff --git a/lib/cc/services/github_issues.rb b/lib/cc/services/github_issues.rb
index 0ff03f6..bc5b86a 100644
--- a/lib/cc/services/github_issues.rb
+++ b/lib/cc/services/github_issues.rb
@@ -9,6 +9,10 @@ class Config < CC::Service::Config
     attribute :labels, String,
       label: "Labels (comma separated)",
       description: "Comma separated list of labels to apply to the issue"
+    attribute :base_url, String,
+      label: "Github API Base URL",
+      description: "Base URL for the Github API",
+      default: "https://api.github.com"
 
     validates :oauth_token, presence: true
   end
@@ -17,8 +21,6 @@ class Config < CC::Service::Config
   self.description = "Open issues on GitHub"
   self.issue_tracker = true
 
-  BASE_URL = "https://api.github.com"
-
   def receive_test
     result = create_issue("Test ticket from Code Climate", "")
     result.merge(
@@ -66,7 +68,7 @@ def create_issue(title, issue_body)
     http.headers["Authorization"] = "token #{config.oauth_token}"
     http.headers["User-Agent"] = "Code Climate"
 
-    url = "#{BASE_URL}/repos/#{config.project}/issues"
+    url = "#{config.base_url}/repos/#{config.project}/issues"
     service_post(url, params.to_json) do |response|
       body = JSON.parse(response.body)
       {
diff --git a/lib/cc/services/github_pull_requests.rb b/lib/cc/services/github_pull_requests.rb
index f8e67c1..85f5b1b 100644
--- a/lib/cc/services/github_pull_requests.rb
+++ b/lib/cc/services/github_pull_requests.rb
@@ -11,6 +11,10 @@ class Config < CC::Service::Config
     attribute :add_comment, Boolean,
       label: "Add a comment?",
       description: "Comment on the pull request after analyzing?"
+    attribute :base_url, String,
+      label: "Github API Base URL",
+      description: "Base URL for the Github API",
+      default: "https://api.github.com"
 
     validates :oauth_token, presence: true
   end
@@ -18,7 +22,6 @@ class Config < CC::Service::Config
   self.title = "GitHub Pull Requests"
   self.description = "Update pull requests on GitHub"
 
-  BASE_URL = "https://api.github.com"
   BODY_REGEX = %r{<b>Code Climate</b> has <a href=".*">analyzed this pull request</a>}
   COMMENT_BODY = '<img src="https://codeclimate.com/favicon.png" width="20" height="20" />&nbsp;<b>Code Climate</b> has <a href="%s">analyzed this pull request</a>.'
   MESSAGES = [
@@ -180,15 +183,15 @@ def status_url
   end
 
   def base_status_url(commit_sha)
-    "#{BASE_URL}/repos/#{github_slug}/statuses/#{commit_sha}"
+    "#{config.base_url}/repos/#{github_slug}/statuses/#{commit_sha}"
   end
 
   def comments_url
-    "#{BASE_URL}/repos/#{github_slug}/issues/#{number}/comments"
+    "#{config.base_url}/repos/#{github_slug}/issues/#{number}/comments"
   end
 
   def user_url
-    "#{BASE_URL}/user"
+    "#{config.base_url}/user"
   end
 
   def github_slug
diff --git a/test/github_issues_test.rb b/test/github_issues_test.rb
index f52340c..17915d1 100644
--- a/test/github_issues_test.rb
+++ b/test/github_issues_test.rb
@@ -60,6 +60,17 @@ def test_receive_test
     assert_equal "Issue <a href='http://foo.bar'>#2</a> created.", response[:message]
   end
 
+  def test_different_base_url
+    @stubs.post request_url do |env|
+      assert env[:url].to_s == "http://example.com/#{request_url}"
+      [200, {}, '{"number": 2, "html_url": "http://foo.bar"}']
+    end
+
+    response = receive_event({ name: "test" }, base_url: "http://example.com")
+
+    assert_equal "Issue <a href='http://foo.bar'>#2</a> created.", response[:message]
+  end
+
   private
 
   def project
@@ -86,10 +97,10 @@ def assert_github_receives(event_data, title, ticket_body)
     receive_event(event_data)
   end
 
-  def receive_event(event_data = nil)
+  def receive_event(event_data = nil, config = {})
     receive(
       CC::Service::GitHubIssues,
-      { oauth_token: "123", project: project },
+      { oauth_token: "123", project: project }.merge(config),
       event_data || event(:quality, from: "D", to: "C")
     )
   end
diff --git a/test/github_pull_requests_test.rb b/test/github_pull_requests_test.rb
index 376352e..0dda93d 100644
--- a/test/github_pull_requests_test.rb
+++ b/test/github_pull_requests_test.rb
@@ -244,6 +244,15 @@ def test_pull_request_nothing_happened
     assert_equal({ ok: false, message: "Nothing happened" }, response)
   end
 
+  def test_different_base_url
+    @stubs.get("/user") do |env|
+      assert env[:url].to_s == "http://example.com/user"
+      [200, { "x-oauth-scopes" => "gist, user, repo" }, ""]
+    end
+
+    assert receive_test({ add_comment: true, base_url: "http://example.com" })[:ok], "Expected test of pull request to be true"
+  end
+
 private
 
   def expect_status_update(repo, commit_sha, params)