In the world of Microsoft 365 development, the SharePoint REST API is a fundamental skill. Whether you are working with Power Automate, custom SPFx components, or external applications, knowing the right endpoint can save you hours of troubleshooting. By using these endpoints, you can interact with SharePoint data using standard HTTP protocols.
I remember when I first shifted from Server-Side Object Model (SSOM) to REST. It felt liberating. No more remote desktop connections to the server—just clean, lightweight HTTP requests that could run from anywhere.
Below is a comprehensive list of 31 essential SharePoint REST API endpoints that every developer and administrator should have in their toolkit.
1. The Foundation: Base Endpoints
Every REST endpoint URL starts with a standard prefix. Understanding this structure is crucial for building your queries. If the base is wrong, nothing works.
2. Working with SharePoint Lists
Lists are the core of SharePoint data storage. Use these endpoints to navigate list structures and metadata efficiently.
3. User and Group Management
Managing permissions and identifying users is a common requirement for governance and custom apps. These endpoints help you secure your data.
4. Document Library and File Operations
Document management is where the REST API truly shines, offering granular control over files and folders that the UI sometimes hides.
5. List Item Attachments & Settings
Common Mistakes and Best Practices
Using these endpoints is easy, but mastering them requires attention to detail. Here are the keys to success:
- Case Sensitivity: SharePoint internal names are case-sensitive. Always double-check your column's internal name.
- Request Digest: When using POST, PUT, or DELETE methods, always include the
X-RequestDigestheader to prevent security errors. - Pagination: For lists with thousands of items, use
$topto limit the results and improve performance. - Filtering: Always filter on the server side using
$filterrather than downloading all data and filtering in your code.
FAQ Section
Yes, for all GET requests, you can simply paste the URL into your browser while logged into your SharePoint site. You will see the raw XML or JSON data immediately.
By default, it often returns XML (Atom). To get JSON, you must set the HTTP Header: Accept: application/json;odata=verbose.
Yes, you would use the item endpoint (e.g., items(id)) with a POST method and specific headers like X-HTTP-Method: MERGE and IF-MATCH.
Conclusion
The SharePoint REST API is a powerful tool that allows developers to go beyond the standard limitations of the UI. By mastering these 31 endpoints, you can build more efficient, robust, and customized solutions for your organization.
Did I miss any essential endpoints? Let me know in the comments below!
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Thanks!