Trusted by winning dev teams
The integration problem
Getting invoices into DATEV Unternehmen Online means manually downloading invoices from your platform and struggling with DATEV’s old school UI to upload them.
Why Maesn
Leverage unified API and integrate with DATEV
Directly integrate with DATEV and let your users upload invoices in just a click—simplifying invoicing.
Engineered for max performance
Features to deliver integration brillance
Enable integrations with one seamless solution and set up for growth with top-notch features.
Maesn provides fast help with developer centric API documentation and top integration engineers to resolve your complex issues within hours.
Maesn's integrations save you months in development on sandbox setups and managing access changes for customer needs.
Maesn ensures your data is protected by the highest global standard by hosting in Germany — the country renowned for its stringent data security standards.
The one API choice
Maesn stands out
Leading global SaaS companies chose Maesn for our trustworthy, specialized solutions.
Maesn makes the difference
Unified by happiness
Explore how Maesn customers experience integration value right away.
"Thanks to Maesn, we've integrated key German accounting systems effortlessly, strengthening partnerships and improving our ecosystem."
Aron Gosselin
Sr.Partnerships
"Maesn’s unified API has transformed our integration process, speeding up growth and giving our clients a smoother experience."
Felix Pieper
CTO
"Partnering with Maesn for integrations allows us to focus on innovation, knowing our systems run seamlessly in the background."
Patrick Pohl
Partner Manager
Hundreds of integrations
Perfect SaaS integration for your customers
Integrate Maesn once – unlock hundreds of ready-made integrations for your customers.
Reliable behind-the-scenes magic
The seamless API integration process
Consolidate all your APIs into one seamless solution and set your dev team up for long-term success.
4. Streamlined endpoints
Provide structured access to standard endpoints with nested resources
3. Enriched API data
Instantly auto-complete your data and correct all inaccuracies with ease.
2. Harmonized API data
Convert diverse data into one consistent format for efficient processing.
1. Standardized authentication
Enable SaaS customers to effortlessly link integrations with one standard.
Trusted by winning dev teams
Seamlessly sync your SaaS data in a fraction of time and focus on driving growth.
Integrate in record time
Ship more SaaS integrations by utilizing engineering resources more efficiently.
Expand integration options
Grow your customer lifetime value steadily by streamlining SaaS integrations.
Drive customer retention