Merge (merge.dev) is a software company that provides a unified API platform, enabling businesses to quickly add and manage hundreds of third-party software integrations within their own products. Their core offering is a set of Unified APIs that deliver normalized data across major SaaS categories such as Accounting, HRIS (Human Resources Information Systems), ATS (Applicant Tracking Systems), CRM (Customer Relationship Management), File Storage, and Ticketing platforms.
Merge’s platform streamlines the entire integrations lifecycle for B2B software companies—from initial build (which can be completed in weeks) to ongoing maintenance, support, and monitoring. By handling API normalization, integration observability, and maintenance, Merge helps its customers:
- Accelerate time to market for new products and features
- Reduce engineering costs and resource needs
- Improve customer experience through reliable, up-to-date integrations
- Unblock sales and reduce customer churn due to missing integrations
Thousands of companies rely on Merge for integration infrastructure, including notable clients such as Revolut, Bamboo, Kornferry, Remote, Gem, Better Help, Drata, Sendoso, Airwallex, Navan, Lattice, Ramp, AngelList, Culture Amp, Auditboard, Bill.com, Payhawk, Electric, Bonusly, and Deel.
How was Merge started?
Merge was founded in 2020 by Shensi Ding and Gil Feig, who both experienced the challenges of building and maintaining software integrations while working at various B2B companies. Their firsthand frustration with the complexity and maintenance burden of integrations led them to create a solution focused on seamless, secure data access and integration management.
Who uses Merge?
Merge’s customers are primarily software companies and platforms that need to connect with a wide ecosystem of third-party tools on behalf of their own customers. This includes SaaS providers in HR, finance, sales, operations, and IT—serving end-users across industries who require data to flow smoothly between systems. Companies like Revolut, Lattice, Airwallex, Drata, and Bill.com leverage Merge to offer their customers a broad set of integrations without the typical resource drain.
Where is Merge headquartered and how big is the team?
Merge is headquartered in San Francisco, California, with additional presence in New York City and Berlin. The company employs between 51-200 people and is privately held. Merge is backed by $75 million in funding from leading investors including Accel, NEA, and Addition.
You can read more about their story on their About page.
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