Application Programming Interface

• Group of possible specifications about interactions at applications.
• Documentation (example: Swagger)

REST: Representation State Transfer

• Architecture Shape

6 rules for REST

• Client-Server
• Stateless
• Cache
• Uniform Interface
  • http://address.com/users (example)
  • JSON/XML ...
  • Messages and Status coherent
  • HATEOS
    • Return links inside request
• Layers
  • Charger Balanced (example)
• Code on Demand