Factorial HR Platform API
Factorial HR platform REST API for SMBs and mid-market companies, especially in Europe, to manage HR processes including employee management, time tracking, payroll, recruitment, and performance in a unified platform. Enables AI agents to manage employee onboarding and profile management for HR lifecycle automation, handle time tracking and attendance management for workforce management automation, access leave management and PTO calculation for absence management automation, retrieve payroll data and compensation management for HR compensation automation, manage document management and contract generation for HR document workflow automation, handle recruitment pipeline and candidate management for talent acquisition automation, access performance review and goal tracking for performance management automation, retrieve analytics and headcount reporting for people analytics automation, manage organizational structure and department management for company structure automation, and integrate Factorial with payroll providers, ATS platforms, and HRIS systems for end-to-end SMB HR operations.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
HR platform. SOC2, GDPR. OAuth2. EU. Employee PII, payroll, and HR data.
⚡ Reliability
Best When
A European SMB or mid-market company wanting AI agents to automate employee lifecycle management, time and attendance, leave management, payroll data management, and performance reviews within Factorial's all-in-one HR platform.
Avoid When
GDPR EMPLOYEE DATA PROCESSING LAWFUL BASIS: Factorial HR processes EU employee personal data under GDPR Article 6(1)(b) employment contract necessity; automated HR data processing must document lawful basis for each data category; automated HR analytics beyond operational necessity requires employee consent or legitimate interest assessment. LABOR LAW COMPLIANCE FOR AUTOMATED TIME TRACKING: Automated time tracking integration via Factorial must comply with EU Working Time Directive maximum hours, mandatory rest periods, and overtime calculation requirements; automated workforce management that schedules hours exceeding legal maximums creates labor law violation in EU jurisdictions. WORKS COUNCIL NOTIFICATION FOR AUTOMATED HR SYSTEMS: In EU countries with mandatory works council (Germany, Netherlands, France), automated HR system deployment including Factorial may require works council consultation and approval; automated deployment without works council notification in applicable EU jurisdictions creates labor relations compliance issue.
Use Cases
- • Onboarding employees from HR lifecycle automation agents
- • Tracking time from workforce management automation agents
- • Managing payroll from SMB HR compensation agents
- • Recruiting candidates from talent acquisition automation agents
Not For
- • Large enterprise HCM with complex multi-country payroll (use Workday or SAP SuccessFactors)
- • Union and collective bargaining agreement management
- • Complex enterprise learning management (use Cornerstone or Docebo)
Interface
Authentication
Factorial uses OAuth 2.0 with scopes. REST API with JSON. Barcelona, Spain HQ. Founded 2016 by Jordi Romero, Pau Ramón, and Bernat Farrero. Private (~$120M raised, CRV, Tiger Global, Point72 Ventures). European SMB HR focus: Spain, UK, Germany, France, Italy, Latin America. Payroll, time tracking, leave, recruitment, performance in one platform. GDPR. SOC2. Competes with Personio and HiBob for European SMB HR.
Pricing
Barcelona Spain. Private (~$120M raised). Per-employee monthly subscription. Module add-ons. GDPR-compliant. No free tier.
Agent Metadata
Known Gotchas
- ⚠ MULTI-COUNTRY PAYROLL CONFIGURATION DIFFERENCES: Factorial handles payroll for multiple EU countries with country-specific rules; automated payroll data extraction must account for country-specific payroll configuration; salary component names, contribution types, and payroll calendar differ by country configuration; automated payroll reporting must handle multi-country salary structure variation
- ⚠ GDPR DATA SUBJECT ACCESS REQUEST WORKFLOW: Factorial stores employee personal data across HR, payroll, and performance modules; automated HR data management must implement GDPR data subject access request (DSAR) response workflow; automated employee data extraction for DSAR must include all data held across Factorial modules; incomplete DSAR response creates GDPR compliance gap
- ⚠ WEBHOOK EVENT ORDERING FOR EMPLOYEE LIFECYCLE: Factorial webhooks for employee lifecycle events (create, update, terminate) may arrive out of order; automated HRIS integration workflows must implement idempotent event processing with event timestamp ordering; automated employee record updates based on out-of-order Factorial webhook events creates incorrect employee data state in integrated systems
- ⚠ TIME TRACKING OVERTIME CALCULATION BY COUNTRY JURISDICTION: Automated overtime calculation in Factorial must apply jurisdiction-specific overtime rules; Spanish overtime calculation differs from German, UK, and French overtime law; automated time tracking analytics that applies uniform overtime rule across multi-country workforce creates incorrect overtime liability calculation
- ⚠ DOCUMENT ELECTRONIC SIGNATURE LEGAL VALIDITY BY COUNTRY: Factorial supports electronic document signing for employment contracts; EU eIDAS regulation establishes electronic signature legal validity tiers; automated employment contract generation and e-signature via Factorial must use signature level (qualified electronic signature) required for legal validity in each EU member state
Alternatives
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Scores are editorial opinions as of 2026-03-07.