What is REST
Describe RESTful APIs
- Representational State Transfer
- Flexible and lightweight way to integrate applications
- Architectural style that defines how apps should communicate on a network
Explain the key characteristics of a REST API
- Request managed through HTTP :perform standard CRUD functions
- Stateless client-server communitcation: Each request contains all the necessary information
- Uniform interface between components:
- API requests for resources should look the same rehardless of origin
- One identifier = One URI
- Complete information
Explain the benefits of using REST APIs
Introduction to API Gateway
- Expalin an API Gateway
- API management tool
- Sits between client and collection of backend services
- Protect your APIs
- Analyze your API usage
- Monetize your APIs
- Presen a single point of contact to microservices
- Add and remove APIs seamlessly
Explain the benefits of using an API Gateway
- Insulate clients from implementation details
- Provide unified access to API
- Fewer equest to the bacend
- Standard protocal to the outside world
Explain the drawbacks of using an API Gateway
- complexity
- Single point of failure
- Extra step
Describe the available API Gateway products
- IBM DataPower Gateway
- Google Apigee/Cloud endpoints
- Microsoft Azure API Gateway
- Amazon API Gateway
- Opensource Gateways
- Kon Gateway
- Apache APSIX
- Tyk
- Gloo
