diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index b9429f43d2..341a7520b9 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -37,13 +37,13 @@ module GitHub
   end
 
   def create_gist(files, description, private:)
-    url = "https://api.github.com/gists"
+    url = "#{API_URL}/gists"
     data = { "public" => !private, "files" => files, "description" => description }
     API.open_rest(url, data: data, scopes: CREATE_GIST_SCOPES)["html_url"]
   end
 
   def create_issue(repo, title, body)
-    url = "https://api.github.com/repos/#{repo}/issues"
+    url = "#{API_URL}/repos/#{repo}/issues"
     data = { "title" => title, "body" => body }
     API.open_rest(url, data: data, scopes: CREATE_ISSUE_FORK_OR_PR_SCOPES)["html_url"]
   end
diff --git a/Library/Homebrew/utils/github/api.rb b/Library/Homebrew/utils/github/api.rb
index f0f0b85f18..b92d53d715 100644
--- a/Library/Homebrew/utils/github/api.rb
+++ b/Library/Homebrew/utils/github/api.rb
@@ -255,7 +255,7 @@ module GitHub
 
     def open_graphql(query, scopes: [].freeze)
       data = { query: query }
-      result = open_rest("https://api.github.com/graphql", scopes: scopes, data: data, request_method: "POST")
+      result = open_rest("#{API_URL}/graphql", scopes: scopes, data: data, request_method: "POST")
 
       if result["errors"].present?
         raise Error, result["errors"].map { |e|