June 2025
Intermediate to advanced
458 pages
10h 21m
English
Content preview from Practical SharePoint Framework (SPFx) Development
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18
Consuming APIs
Retrieving data or communicating with other systems via APIs is a common requirement in web development and, therefore SPFx solutions. In JavaScript in general, any API can be called using the tool-agnostic fetch() API (https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch) implemented by all modern browsers.
However, most of the time, SPFx components will get data directly from SharePoint (for example, a list or a site using the SharePoint REST API) or the Microsoft 365 ecosystem (for example, Teams, Outlook, and so on using the Microsoft Graph API). Because this data is protected and always retrieved on behalf of the currently logged-in user, these API calls require an additional authentication layer to work. ...
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