1. Sending requests & inspecting responses Number of APIs: 5 books GET https://postman-library-api.glitch.me/books book GET https://postman-library-api.glitch.me/books/:id update book PATCH https://postman-library-api.glitch.me/books/:id add book POST https://postman-library-api.glitch.me/books delete book DELETE https://postman-library-api.glitch.me/books/:id