Consuming Restful APIs

This talk equips you with both foundations and best practices for consuming REST APIs.

Transcript

1. Consuming REST APIs By Mustapha Rufai
3. Learning Outcomes What Is An API? How Developers Work With APIs? Understanding HTTP How To Make API Calls API Request Tools Authentication & Authorization Errors Case Study: Paga’s Payment APIs
4. HTTP 1. Language 2. Protocol of communication 3. Web 4. Communication
5. 1. CCTV will capture motion 2. CCTV will send motion to the server 3. Server is storing this motion 4. Phone requests to view this motion 5. Server will send the motion to the Phone 6. Phone will alert on a particular CCTV camera 7. Server will receive this alert 8. Server sends this alert to the CCTV 9. CCTV will change indicator ( beeping ) phone api server api cctv
6. Request Response 1. 100 - 199 Information ( the existence of something, does it exist ) 2. 200 - 299 Success 3. 300 - 399 Redirect 4. 400 - 499 Client Error 5. 500 - 599 Server Error 1. GET 2. DELETE 3. POST
7. Authentication Authorization Who are you? What are you allowed to do? • Cashier • Bank Manager • Account Managers • Reconciliation officers • Accountant • Security • Customers What can you do?