diff --git a/README.md b/README.md
index a9236f5..bdc01f0 100644
--- a/README.md
+++ b/README.md
@@ -65,7 +65,7 @@ jobs:
           ref: ${{ github.ref }}
           check-name: 'Run tests'
           repo-token: ${{ secrets.GITHUB_TOKEN }}
-          api-endpoint: https://{YOU_GHE_URL}/api/v3/
+          api-endpoint: YOUR_GHE_API_BASE_URL # Fed to https://octokit.github.io/octokit.rb/Octokit/Configurable.html#api_endpoint-instance_method
       ...
 ```
 ## Alternatives
diff --git a/entrypoint.rb b/entrypoint.rb
index b072b88..1793097 100755
--- a/entrypoint.rb
+++ b/entrypoint.rb
@@ -10,14 +10,15 @@
 verbose = ENV["VERBOSE"]
 wait = ENV["WAIT_INTERVAL"]
 workflow_name = ENV["RUNNING_WORKFLOW_NAME"]
-api_endpoint = ENV.fetch("API_ENDPOINT", "https://api.github.com")
+api_endpoint = ENV.fetch("API_ENDPOINT", "")
 
 GithubChecksVerifier.configure do |config|
   config.allowed_conclusions = allowed_conclusions.split(",").map(&:strip)
   config.check_name = check_name
   config.check_regexp = check_regexp
   config.client = Octokit::Client.new(auto_paginate: true)
-  config.client.access_token = token unless token.empty?
+  config.client.api_endpoint = api_endpoint unless /\A[[:space:]]*\z/.match?(api_endpoint)
+  config.client.access_token = token
   config.ref = ref
   config.repo = ENV["GITHUB_REPOSITORY"]
   config.verbose = verbose