StackOne
The open-source unified API for HR & Payroll.
Overview
StackOne provides an open-source unified API platform for building integrations into the HR ecosystem. It allows developers to connect with a multitude of HRIS, Applicant Tracking Systems (ATS), and payroll providers through a single, consistent API. Being open-source and self-hostable, StackOne is designed for companies that prioritize data privacy, security, and the flexibility to extend the platform to their specific needs.
✨ Key Features
- Open-source and self-hostable
- Unified API for HRIS, ATS, Payroll
- Focus on data privacy and security
- Extensible architecture
- Managed cloud version available
🎯 Key Differentiators
- Open-source and self-hostable, providing ultimate data control.
- Specialized focus on the HR, ATS, and payroll domains.
- Designed for extensibility and customization.
Unique Value: Build secure and compliant HR & Payroll integrations with an open-source unified API you can host yourself.
🎯 Use Cases (4)
✅ Best For
- An HR analytics platform pulling employee records from various HRIS providers.
- A recruiting automation tool syncing candidate data with Greenhouse and Lever.
💡 Check With Vendor
Verify these considerations match your specific requirements:
- Integrations outside the HR domain (CRM, Accounting, etc.).
- Teams looking for a fully managed, out-of-the-box solution without any setup.
🏆 Alternatives
Unlike proprietary competitors like Finch and Merge, StackOne offers the transparency and control of open source. It provides a unified model, differentiating it from more generic open-source tools like Nango.
💻 Platforms
🔌 Integrations
🛟 Support Options
- ✓ Email Support
- ✓ Live Chat
- ✓ Dedicated Support (Cloud tier)
🔒 Compliance & Security
💰 Pricing
✓ 14-day free trial
Free tier: Free open-source version for self-hosting.
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