generated: '2026-06-20' method: searched source: https://learn.microsoft.com/en-us/office/developer-program/microsoft-365-developer-program-get-started notes: >- SharePoint has no test-card-style sandbox; the equivalent is a free, isolated Microsoft 365 developer tenant with pre-provisioned SharePoint sites and sample data, obtained through the Microsoft 365 Developer Program. Developers exercise the real SharePoint REST / Graph APIs against this throwaway tenant rather than a mock endpoint. No test values are invented here. sandbox: type: developer-tenant program: Microsoft 365 Developer Program signup: https://developer.microsoft.com/en-us/microsoft-365/dev-program docs: https://learn.microsoft.com/en-us/office/developer-program/microsoft-365-developer-program-get-started modes: - name: Instant sandbox description: Pre-provisioned Microsoft 365 E5 tenant with SharePoint, Teams, Outlook, Office and sample data pre-installed; ready in seconds. - name: Configurable sandbox description: Empty Microsoft 365 E5 tenant you populate yourself with sample data packs; can take up to two days to provision. entitlements: users: 25 (24 test users + 1 admin) license: Microsoft 365 E5 duration: 90 days, auto-renewing with valid development activity sample_data: docs: https://learn.microsoft.com/en-us/office/developer-program/install-sample-packs packs: - Microsoft Graph user, mail, and calendar data - SharePoint Framework sample data - Microsoft Teams sample data base_urls: graph: https://graph.microsoft.com/v1.0 sharepoint_rest: https://{yourtenant}.sharepoint.com/_api