February 2020
Intermediate to advanced
404 pages
8h 42m
English
Content preview from Hands-On RESTful Web Services with Go - Second Edition
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Why is an API Gateway required?
Suppose a company named XYZ developed an API for its internal purposes. There are two ways in which it exposes that API for external use:
- It exposes it using authentication from known clients.
- It exposes it as an API as a service.
In the first case, this API is consumed by the other services inside the company. Since they are internal, we don't restrict access. But in the second case, since the API details are given to the outside world, we need a broker in-between to check and validate the requests. This broker is the API Gateway. An API Gateway is a broker that sits in-between the client and the server and forwards the request to the server, on the passing of specific conditions.
Now, the company XYZ has ...
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