graph.microsoft.com

Share a OneDrive/SharePoint file by creating a reusable sharing link (createLink) or sending a direct sharing invitation with granted permissions (invite) via Microsoft Graph.

Create a new task in a user's Microsoft To Do list and later mark it complete via Microsoft Graph's todoTaskList/todoTask endpoints.

List the attachments on an Outlook email message and download their contents, handling both small inline-encoded attachments and large (up to 150 MB) attachments via the raw $value endpoint.

Search an Outlook mailbox for messages matching keyword or property-based criteria (sender, subject, attachment name, date range) using Microsoft Graph's $search query parameter with KQL syntax.

Track file and folder changes in a OneDrive/SharePoint drive over time using delta queries, syncing adds/updates/deletes without re-scanning the whole tree.

Download the binary content of a OneDrive/SharePoint file via Microsoft Graph, handling the 302 redirect and the pre-authenticated @microsoft.graph.downloadUrl.

List and traverse files and folders in a OneDrive or SharePoint drive using drive discovery, children listing, path-based addressing, and pagination.

Upload a file to OneDrive or SharePoint via Microsoft Graph, using a simple PUT for small files and a resumable chunked upload session for large files.

Combine multiple Microsoft Graph API calls into one HTTP round trip using JSON batching ($batch), including optional dependsOn ordering.

Correctly detect and recover from Microsoft Graph throttling (HTTP 429) so an agent backs off, retries safely, and stays under per-workload rate limits.

Acquire a delegated Microsoft Graph access token for a headless or CLI agent (no browser on the device) using the OAuth 2.0 device authorization (device code) grant.

Acquire an app-only (application permission) Microsoft Graph access token for a daemon/service agent using the OAuth 2.0 client credentials grant with the v2.0 token endpoint and the /.default scope.