restdb.io is a “plug-and-play” database service. Use their service to build your database, add your data via their system’s GUI or API, and query your data for use in your application. You could use their system to build all sorts of websites and web applications. Their system could power your backend while you wire it to your frontend.
restdb.io lets you create databases and REST APIs quickly. Development databases are free. Powerful web-based and mobile-friendly data management.