- What is an API?
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        What is an Application Programming Interface (API)?
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        Who works with APIs?
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        Categorizing APIs
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        The past: a brief history of API clients
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        The future: the API-first world
- Test your knowledge
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        Quiz: What is an API?
- Wrapping up
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        Resources
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        Recap
 
                    
                What is an API?
Course 1 of 7 in API Beginner
Learn about history, architecture and future of APIs for Postman v9
In this module, you will learn about:
- The history, purpose and basic architecture of APIs
- Postman's vision for an API-first world