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Microsoft Authenticator Data API: MFA, Passkeys and Passwordless Sessions as Open Data
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Turn Microsoft Authenticator enrollment, challenge and policy data into callable open data for identity and security teams.
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INTRODUCTION
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Multi-factor authentication is now the default control for organizations running Microsoft 365 and Azure. In the United States, identity apps sit at the center of that setup. They approve sign-ins, rotate one-time codes and register devices. Security teams often need that activity as structured data instead of screens on a phone. A Microsoft Authenticator data API, delivered as open data, gives inventory, policy and monitoring tools a documented way to get at it.
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FEATURED APP: MICROSOFT AUTHENTICATOR
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Microsoft Authenticator is Microsoft Corporation's mobile identity app, listed in the Identity category for the US. It approves sign-ins to work and school accounts on Microsoft Entra ID. It also generates TOTP codes and supports passwordless phone sign-in and FIDO2 passkeys.
The openData Studio page documents 19 endpoints. They cover OAuth token issue, device registration, MFA polling, challenge context, approve or deny, PIN validation, push-token rotation, policy reads, passkeys, passwordless sessions and device sign-in keys.
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WHAT CAN BE INTEGRATED
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• MFA registrations: AccountName, PhoneAppDetailId, DeviceName and tenant routing hints such as TenantCountryCode
• Pending push challenges: firstEntropyNumber match digits, richContextDetails, fraud flags and the isAppLockRequired switch
• Decisions: authenticationResult with oathTokenCounter and isAppLockUsed
• Policy data: numberMatchingRequiredState, displayLocationInformationRequiredState, isSoftwareTotpEnabled, plus the tenant security-defaults flag
• Passwordless sessions: sessionId, sessionType, entropy digits and fidoChallenge
• Passkey and device-key lifecycle: creation options, attestation upload and method deletion
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USE CASES
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[1] Workforce MFA device inventory
• Reconcile which handsets are enrolled as Authenticator methods
• Track DeviceToken rotation events
[2] Number-match and location policy checks
• Compare policy flags with live challenge fields
• Confirm the settings you intended are actually in effect
[3] Passwordless session monitoring
• Watch pending sign-in sessions
• Complete them with a signed assertion after the user confirms the match code
[4] Passkey lifecycle on Entra ID
• Read creation options and store a platform passkey from its attestation
• Remove authenticator or passkey methods when a device is retired
[5] Data boundary and tenant review
• Read the organization record's countryLetterCode and dataBoundary
• Feed regional compliance checks and dashboards
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DELIVERY & PRICING
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✓ Two delivery options: runnable source code you own, or a hosted API billed per call
✓ Source-code handoff starts from USD 500
✓ Delivery in 3–7 days
✓ NDA and SOW on every engagement, with payment only after acceptance
✓ Work is scoped to authorized use
The page's endpoint examples are reconstructed from the app's interface. They are illustrative, not a live capture.
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CONCLUSION
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Microsoft Authenticator carries some of the most security-sensitive workflows in the enterprise. A well-scoped data API makes device inventory, policy verification, session monitoring and passkey management far easier to automate. To see the full endpoint list and fields, or to request a quote for your Microsoft Authenticator data integration, visit:
