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The API gateway is the most common pattern in securing APIs in a production deployment. In other words, it’s the entry point to your API deployment. There are many open source and proprietary products out there, which implement the API gateway pattern, which we commonly identify as API gateways. An API gateway is a policy enforcement point (PEP), which centrally enforces authentication, authorization, and throttling policies. Further we can use an API gateway to centrally gather all the analytics related to APIs and publish those to an analytics product for further analysis and presentation.
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