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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
When web developers speak of an API, they’re usually referring to REST APIs which are accessible through web server endpoints. However, if you’ve been paying attention, you will notice the Web Animation and DOM APIs mentioned above are not server resources. They’re built into web browsers. In fact, MDN has compiled a large collection of web (not necessarily REST) APIs used in web browsers. So, not all APIs are REST APIs. Still, REST APIs are some of the most used APIs today. OpenWeather API, for example, provides a REST API for retrieving weather forecasts in JSON, XML, or HTML format. Going back to the pizza example from earlier, if a developer wishes to order the weather forecast of a given city, the developer needs to: