OneDrive API
Overview
The OneDrive API (part of Microsoft Graph) lets you read, upload, and manage files in a user's OneDrive storage using OAuth 2.0. It supports resumable uploads for large files, real-time webhooks for file change notifications, and sharing link creation for both personal and business accounts. It is particularly useful for apps targeting Microsoft 365 enterprise users who already have OneDrive through their organization.
Beginner Tip
Register your app in the Azure Active Directory portal (portal.azure.com) to get a client ID and secret. Use the Microsoft identity platform OAuth flow to get an access token with Files.ReadWrite scope before making any Drive API calls.
Available Data
Example Response
{
"file_id": "f_abc123",
"filename": "document.pdf",
"size_bytes": 1048576,
"mime_type": "application/pdf",
"download_url": "https://example.com/files/f_abc123",
"created_at": "2025-01-15T10:00:00Z"
} Field Reference
id Unique item identifier within OneDrive, used for all file operations like download and delete name File or folder name as displayed in OneDrive size Total size of the item in bytes; for folders this reflects the combined size of all contents lastModifiedDateTime ISO 8601 timestamp of the last time the item was modified webUrl URL to open and view this item in OneDrive in a browser file.mimeType MIME type of the file, present only on file items and not on folder items Implementation Example
const url = "https://developer.microsoft.com/onedrive";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"Authorization": "Bearer YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Matrix Score Breakdown
Partially tested on Apr 5, 2026
Technical Specifications
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