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Earlier in this course

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in a separate course section

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where we added payments to the online shop,

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I introduced you to third party services and APIs.

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In this course section, we are going to explore how

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we can build our own APIs and services.

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We're going to explore a specific concept called REST APIs,

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and what that stands for and what it is.

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And most importantly, of course, you will understand

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why you might wanna build such APIs and services,

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which different use cases you would have for that,

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and, of course, how you build such APIs and services.

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And, of course, we are also going to dive into

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some concrete examples throughout this section.

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Now, specifically, we are going to start

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by having a brief look at why

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we might wanna build custom services and APIs,

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before we then have a look at REST APIs

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and understand what that is specifically,

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and how we would build such a REST API,

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before we then, of course, do exactly that

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and we dive into a concrete example

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or actually multiple examples where we build such a REST API

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ideal for a custom service, as you will see,

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from the ground up, step by step.