RandomAPI is described as 'A fully customizable random data generator that returns results in JSON/CSV/SQL/YAML via API. Rather than testing out your applications with arbitrary data such as "asdf", "blah", "user1", etc' and is an website. There are more than 10 alternatives to RandomAPI, not only websites but also apps for Windows, Linux, SaaS and Mac. The best RandomAPI alternative is JSONGenerator, which is free. Other great sites and apps similar to RandomAPI are Random Data, dbForge Data Generator for MySQL, Generate Data and DataConstruct.