A PHP HTTP client for fetching content from remote urls. \Drupal::httpClient() Default http client in Drupal (It's guzzle under the hood). Topics #Module Development Resources Guzzle Documentationhttps://docs.guzzlephp.org/en/stable/ Course: Module Development Module Development Hooks Navigating Code Drupal Bootstrap Process Plugins OOP in Drupal XDebug Debugging techniques Caching Drupal Services Guzzle Custom Module Dependencies Drupal Core Utilities and Includes