diff --git a/lib/auth/oauth_faraday_formatter.rb b/lib/auth/oauth_faraday_formatter.rb
new file mode 100644
index 00000000000..7c404988f5a
--- /dev/null
+++ b/lib/auth/oauth_faraday_formatter.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class Auth::OauthFaradayFormatter < Faraday::Logging::Formatter
+  def request(env)
+    warn <<~LOG
+      OAuth Debugging: request #{env.method.upcase} #{env.url}
+
+      Headers:
+      #{env.request_headers}
+
+      Body:
+      #{env[:body]}
+    LOG
+  end
+
+  def response(env)
+    warn <<~LOG
+      OAuth Debugging: response status #{env.status}
+
+      From #{env.method.upcase} #{env.url}
+
+      Headers:
+      #{env.response_headers}
+
+      Body:
+      #{env[:body]}
+    LOG
+  end
+end