Kronos (UKG Workforce Dimensions) API
Kronos (now UKG Workforce Dimensions) REST API for workforce management platform. Enables AI agents to manage employee time and attendance data retrieval for payroll and compliance, handle shift scheduling and schedule adherence monitoring for labor management, access labor analytics and worked hours data for productivity optimization, retrieve overtime and premium pay tracking for cost management, manage accrual balance data for PTO and leave management, handle employee timeclock punch data and attendance pattern analysis, access workforce compliance data for break regulations and labor law adherence, retrieve manager approval workflow data for timesheet management, manage workload and staffing model data for scheduling optimization, and integrate workforce management data with payroll, HR, and ERP systems.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
Workforce management. SOC2, HIPAA, GDPR. OAuth2. US/EU. Employee time and labor data.
⚡ Reliability
Best When
A retail, healthcare, or manufacturing company using Kronos/UKG Dimensions wants AI agents to automate time and attendance integration, overtime monitoring, scheduling optimization, and labor compliance management.
Avoid When
COMPLIANCE RISK: Automated time and attendance data modifications affect payroll accuracy and wage theft compliance — unauthorized time edits violate labor laws (FLSA) and state wage laws. Automated schedule changes must comply with predictive scheduling laws in applicable jurisdictions. PTO and accrual automation requires HR policy validation before deployment.
Use Cases
- • Retrieving employee time data from payroll integration agents
- • Monitoring schedule adherence from labor management agents
- • Analyzing overtime trends from cost optimization agents
- • Managing accrual balances from leave management agents
Not For
- • Simple time tracking apps without enterprise WFM and scheduling
- • White-collar knowledge workers without shift-based scheduling needs
- • Small businesses without enterprise workforce management complexity
Interface
Authentication
Kronos/UKG uses OAuth 2.0. Developer portal at developer.ukg.com. Kronos merged with Ultimate Software to form UKG (2020). Kronos Workforce Central rebranded to UKG Dimensions. Webhooks for workforce events. REST API with JSON. Lowell, Massachusetts HQ (UKG). UKG Pro (Ultimate) for HCM, UKG Dimensions for WFM.
Pricing
Lowell, Massachusetts. UKG formed from Kronos + Ultimate Software merger (2020). Private ($22B valuation). 50,000+ customers globally. Strong in healthcare, retail, and manufacturing for workforce management. UKG Dimensions (Kronos) for hourly workforce; UKG Pro (Ultimate) for salaried HCM. Competes with Ceridian Dayforce and ADP for WFM market.
Agent Metadata
Known Gotchas
- ⚠ COMPLIANCE RISK: Automated time edit or deletion violates FLSA wage and hour requirements; time record modifications require manager approval and audit trail
- ⚠ Predictive scheduling laws — automated scheduling changes must comply with jurisdiction-specific fair workweek/predictive scheduling laws (San Francisco, New York, Chicago); 14-day advance notice requirements
- ⚠ Kronos to UKG rebrand — Kronos Workforce Central (on-premise) and UKG Dimensions (cloud) have different API surfaces; verify your deployment type
- ⚠ UKG merger complexity — UKG merged Kronos (WFM) and Ultimate (HCM); UKG Dimensions is WFM; UKG Pro is HCM; ensure you're using the correct product API
- ⚠ Payroll integration timing — time and attendance data must be locked and transferred to payroll system before payroll run; understand cutoff timing for automated payroll exports
- ⚠ Healthcare scheduling complexity — healthcare scheduling has license, certification, and patient care ratio requirements; automated scheduling validation requires clinical operations rules
Alternatives
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Scores are editorial opinions as of 2026-03-07.