Tabidoo is the app for creating app. Without writing the code it is possible to create the web application and share the app with other users. Everything is done in secure way, every data change is captured and saved in history, so in Data audit it is easy to find who/when/how changed the data.
https://www.tabidoo.cloud/features/ - API -- using REST API layer it is possible to integrate Tabidoo with other API capable systems, or define some automations using tools like IFTT, Integromat, Zapier. API documentation is or
https://www.tabidoo.cloud/pricing/ - Pricing plans are tailored to suite everyone's need. From single person (free plan) to large business.