From the course: Introduction to APIs in Telecommunications
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API gateways for security
From the course: Introduction to APIs in Telecommunications
API gateways for security
(gentle music) - [Instructor] The API gateway is the guardian of your API ecosystem, and its responsibilities include authentication hub, which verifies every incoming request using either tokens or API keys. We have authorization center here, which checks if the user has permission to access the requested resources or not. The communication relay routes valid requests to the appropriate backend service. And we have a rate limiting, which prevents any abuse by restricting excessive calls. From the telecom perspective, let's understand this API gateway in a little bit more detail. The very first step is the authentication, where the API gateway authenticate all external calls, serving as a primary security checkpoint for the entire system. Now, beyond authentication, there is another step where in the authorization, the gateway authorizes requests based on permissions and policies before relaying them to the…
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