title: Loader.io
text: # Loader.io
  
  loader.io is a cloud-based load and scalability testing service SaaS that allows developers to test their web applications and API with thousands of concurrent connections.
  
  ## Capabilities
  
  Loader.io is a cloud-based load testing service for developers to test performance and scalability with their web applications and APIs.
  
  It provides simple cloud-based load testing:
  
  * Load testing for web applications and APIs for performance and scalability
  * Integration with PaaS providers, continuous integration tools, and browsers
  * Allows testing up to 50,000 concurrent connections for free
  * It is cloud-based, so it is a no install solution and immediately available for developers to test.
  
  It was born out of SendGrid Labs in late 2012.
  
  