A business rules engine and an artificial intelligence gateway


Zoltar is an enterprise grade middleware that serves as a business rule engine and an API gateway to third party artificial intelligence products. Zoltar is already integrated into the Zuilder platform and comes with every smart app.


  • Write business rules in plain English
  • Configure decision trees
  • Architect functional workflows
  • Design decision tables
  • A central API for IBM Watson, AWS machine learning and AI, and Microsoft Azure cognitive services
  • Use a rule broker to auto-route rules to a different rule engine


  • Give more power to the end user
  • Reduce reliance on IT
  • Reduce costs
  • Faster time to market. Faster time to changes.
  • Ability to innovate and experiment
  • Make your apps smart
  • Deliver a better user experience
  • Make your organization more frugal and competitive