How APIs Work

The purposes, permissions and protocols of APIs


APIs are powered by reusable components that allow datasets to connect to one another. To understand how they work, it's important to identify the key roles within API 'relationships' and 'transactions' and define API journeys. 

Learning Outcomes
  • Know the basics of how APIs function to connect datasets 
  • Understand the difference between different types of API permissions (public, internal, partner)
  • Gain insight into which API use cases are suited to particular API protocols (RESTful APIs, JSON-RPC XML-RPC and SOAP)



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