1. What is API testing?

https://www.guru99.com/api-testing.html
https://www.guru99.com/testing-rest-api-manually.html
https://www.guru99.com/rest-assured.html

2. Proučiti:
   - HTTP: HTTP methods, HTTP status codes
   - REST, RESTful...
   - SOAP
   
3. API testing tools and technologies

	- Postman: https://testfully.io/blog/postman-api-testing/
	- JMeter
	- SoapUI
	- Teleric
	- ...