Client <-http-> Server
Get in touch with the people running the server
Web Services and API
client(app) HTTP server
Flicker API document
https://www.flickr.com/services/api/
42 *, 43 +, 44,, 45 -, 46.,47/,
https://api.flicker.com/services/rest/?method=*&api_key=*&text=*&extras=url_m
some of API
OpenMenu API, World Bank API, Sunlight API, Gilt API, Riot GAmes API
To use an API:
1. Sign up for an account with the service
2. Register the app
3. [Usually] source authentication process