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Merge
The unified API platform for HR, Payroll, Accounting, and CRM integrations.
What it does
Provides a single API to access 150+ HRIS, Payroll, and Accounting tools. Features 'Merge Link' for a seamless, branded user authentication experience. Automates data normalization and sync management across different platforms. Includes a comprehensive dashboard for monitoring integration health and logs. Offers 'Merge WorkOS' for enterprise-grade security and compliance.
Why it works
Speed to Market: Reduces the time to launch new integrations from months to days. Lower Maintenance: Merge handles API updates and breaks on the provider side, so your team doesn't have to. Data Standardization: Normalizes fragmented data into a single, clean schema (e.g., all 'Employee' objects look the same). Enterprise Readiness: Helps startups win big deals by offering the deep integrations corporate buyers demand.
Category: Utilities & System Tools
Team Size: 100+
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As of 2026
Utilities & System Tools
Revenue: $10M-$100M ARR
The unified API platform for HR, Payroll, Accounting, and CRM integrations.
Overview
Merge is a developer-first platform that provides a single, unified API for hundreds of B2B integrations. By building to Merge, companies can instantly offer their users integrations with dozens of platforms like Workday, Gusto, Salesforce, and NetSuite, saving thousands of engineering hours that would otherwise be spent building and maintaining individual connections.
Funding status: Funded
Revenue source: Subscriptions
Customer type: B2B
Pricing: Freemium
Tech stack: React, Node.js, Python, AWS
Platform: Web • API
Integrations: Salesforce, Workday, Gusto, NetSuite, BambooHR, HubSpot
Founder story
Founded in 2020 by Gil Feig and Shensi Ding in San Francisco. Both founders were early employees at high-growth startups and saw that building integrations was the most painful, non-core part of the engineering roadmap. They built Merge to turn 'integrations' into a solved problem for every software team.
What it does
- Provides a single API to access 150+ HRIS, Payroll, and Accounting tools
- Features 'Merge Link' for a seamless, branded user authentication experience
- Automates data normalization and sync management across different platforms
- Includes a comprehensive dashboard for monitoring integration health and logs
- Offers 'Merge WorkOS' for enterprise-grade security and compliance.
Who it's for
- Product teams
- Software engineers
- CTOs
- SaaS Founders
Why it works
- Speed to Market: Reduces the time to launch new integrations from months to days
- Lower Maintenance: Merge handles API updates and breaks on the provider side, so your team doesn't have to
- Data Standardization: Normalizes fragmented data into a single, clean schema (e.g., all 'Employee' objects look the same)
- Enterprise Readiness: Helps startups win big deals by offering the deep integrations corporate buyers demand.
Growth strategies
- Targeted high- growth B2B SaaS companies whose roadmaps were blocked by integration requests.
- Used a 'bottom- up' developer-led approach with a free 'sandbox' tier.
- Raised a $55M Series B led by Accel to aggressively expand their 'Unified' categories.
- Leveraged high- quality technical content and a 'Build vs Buy' calculator to drive demand.
Alternatives
Comparison overview
- Rutter/Codat: These are specialists in e-commerce and accounting; Merge is the category leader for HRIS and broader B2B data.
- Finch: Focused almost exclusively on Payroll/HR; Merge offers a wider range of 'Unified' categories like CRM and Ticketing.
- Merge is the best choice for SaaS companies that want to build a truly 'integrated' product without the engineering debt.