However, if you are not signed in, rendering that view may not make sense. If you are signed in, the website may have a Products You Might Like section. Expanding on our example, let’s suppose the website is an e-commerce site. The state data may change user-to-user but the view remains the same. For example, when you sign into a website it may show your user profile (view) with your name (state). State refers to the data stored by different views that typically rely on who the user is, or what the user is doing. Views are what the user sees rendered in the browser. The ReactJS library is useful for handling the relationship between views, state, and changes in state. Soon we will learn how to use the RapidAPI dashboard to simplify our understanding of how these parts work together, but first, let’s talk about React! What is React?Ī JavaScript library for building user interfaces Most of the time API-keys need to be kept secret, however, some services will issue public API keys. Using RapidAPI allows the developer to only deal with one key (RapidAPI’s key), otherwise, developers would need to have API-keys for all of their APIs. Consequently, API providers will issue secret API-keys to monitor usage over time. Don’t worry, there are still plenty of free APIs.įurthermore, the hypothetical external API does not have unlimited resources, so letting software call the API an unlimited amount of times at no cost could render it useless. Having access to the API can be valuable, therefore, you may need to buy a subscription to use it. API KeysĪs previously mentioned, external APIs offer data, services, or both. It is difficult to fathom how useful it is to have the capability to access external APIs for various data and services. These types of interactions are external from the local environment, and therefore, the APIs that are providing the data or services are called external APIs.
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