Maesn Raises €2.3M To Scale Its Unified API For Seamless SaaS Integrations

The round was led by get.de, a company builder recognised for fostering long-term partnerships with early-stage technology ventures.

“Maesn is a software solution we as entrepreneurs have searched for many times ourselves,” said Robin Tschöpe, Managing Partner at get.de. “With its abstracted data model and API-first approach, ERP systems and business software such as Sage, DATEV or Visma eAccounting can be integrated easily.”

Existing investors Tiny Supercomputer Investment Company (tiny.vc), NRW.BANK, and several private backers also joined the round. Tiny.vc is known for backing developer-centric infrastructure and API-first startups, while NRW.BANK supports high-growth tech ventures in North Rhine-Westphalia.

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The new funding will fuel Maesn’s platform expansion, AI feature development, and go-to-market scaling, alongside strengthening partnerships with SaaS providers and integration firms.

Maesn addresses a growing pain point for software vendors the need for seamless interoperability across systems like ERP, accounting, CRM, payroll, and billing. Its Unified API helps teams integrate and orchestrate financial and business data far more efficiently.

Companies such as HubSpot, Tipalti, Findity, Hero, and clockin already use Maesn to connect with systems like DATEV, Sage, and Exact Online. The startup now plans to extend its integrations to additional ERP, payroll, and invoicing platforms while expanding its partner network and scaling its engineering and customer success teams.

About Maesn

Maesn empowers SaaS companies to scale faster by simplifying integrations with customers’ ERP and accounting systems. With a single Unified API, Maesn removes integration complexity, enabling teams to focus on growth, innovation and customer satisfaction while seamlessly connecting data across financial and business software platforms.