APIs

Question 1

describe API

Answer 1

Application Programming Interface
- enables communication between software systems
- defines how requests and responses are exchanged

Question 2

key concepts of API

Answer 2

1. endpoints
2. HTTP methods
3. Request/Response

Question 3

4 tools for API interaction

Answer 3

1. postman - visual GUI-based API testing tool
2. python ‘requests’ library - programmatic interaction
3. browser - test GET requests directly
4. command-line tools - cURL

Question 4

define cURL

Answer 4

• command-line tool for interacting with APIs
• supports all HTTP methods
• ideal for scripts and quick testing for API request

Question 5

describe JSON

Answer 5

JavaScript Object Notation
- lightweight format for data exchange
- key-value pairs
- found in many modern APIs

Question 6

working with JSON

Answer 6

• most programming languages have libraries for working with JSON
• convert JSON to native data structures for easy manipulation
• access data using keys or iterate over arrays for processing
• convert native data back to JSON for storage or API requests