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Trusted by winning dev teams

Building and maintaining numerous integrations to access data from your SaaS clients restricts your growth.

Engineered for SaaS companies

One API for
product growth

Learn how to change your product integrations for rapid growth with Maesn's seamless API solution.

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Expand integration options

Ship more SaaS integrations than ever before by utilizing engineering resources more efficiently. 

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Accelerate

Integrate in record time

Seamlessly sync your SaaS data in a fraction of time and focus on driving growth.

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Drive customer retention

Become sticky and grow customer lifetime value steadily by streamlining SaaS integrations.

Maesn Customer Retention
Maesn

7x 

Faster GTM

Integrate your APIs up to ten times faster than manually.

82%

Less dev time

Save up to 80% on developer resources for better things.

39%

Reduced churn

Benefit from reduced customer churn rates with one unified API.

Created for your maximum growth

Watch the results come in

What' your next thing?

We love to hear from you

Let us shape the future of API integration and growth together.

Engineered for max performance

Features to deliver integration brillance

Enable integrations with one seamless solution and set up for growth with top-notch features.

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AI powered structuring

Harnessing advanced AI models, Maesn extracts and organizes data that isn't accessible through standard APIs. This enables you to create unique applications.

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Unified data model

A unified model that lets you create a single integration to Maesn's API, offering your customers an ever-growing portfolio of accounting and ERP systems.

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Unrivaled ERP coverage

The only extensive ERP portfolio in the market; no other unified API provider boasts the range of ERP systems and endpoints that Maesn does.

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Unified authentication

Unified and secure authentication lets you connect to our API effortlessly to authenticate your customers to OAuth 2.0, OAuth 2.1, or any other API keys.

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Smart error warning

The Maesn API delivers clear, actionable errors and warnings, streamlining your debugging process and optimizing your integration workflow.

Explore your use case

One API in action

Browse our use cases and see how customers achieve maximum sales uplift.

Sync expenses

Streamline classification of expenses from your SaaS to your customers' accounting platforms.

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Make purchase orders 

Integrate purchase orders from your SaaS into your customers' accounting platforms.

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Align commerce data 

Harmonize commerce data by synchronising entries with your customers' accounting system.

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Analyse finance

Effortlessly create budgets, make forecasts, and access insights with key transaction data.

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Create invoices

Serve specific industries by automating invoicing and approval processes to 3rd parties.

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Train AI models

Develop advanced data models using comprehensive accounting data for smarter predictions.

Learn more
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  • 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.

ERP

Payroll

One API.
Your call.

See the Magic? Book your free Maesn demo with our API experts.

Hundreds of integrations

Perfect SaaS integration for your customers

Integrate Maesn once – unlock hundreds of ready-made integrations for your customers.

Maesn makes the difference

Unified by happiness

Maesn customers experience financial gains immediately. 

Maesn enables us to offer integrations to Lexoffice, sevDesk and xero - and this is just the beginning.

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Aron Gosselin
Head of Integrations

All integrations offered by Maesn enabled us to new sales opportunities and streamline dev resources.

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Patrick Pohl, 
Director APIs / 3PL
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As an ecosystem driven vendor it is great to have Maesn as partner and enabler for accelerated partner growth.

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Jason Setiabudi, 
Team Dev Lead 
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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.

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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.

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2. Harmonized API data 

Convert diverse data into one consistent format for efficient processing.

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1. Standardized authentication

Enable SaaS customers to effortlessly link integrations with one standard.

Maesn Data Harmonization
Your SaaS
Maesn's magic
Your customers' stack

ERP

Payroll

One API. 
Endless growth.

Grow faster with Maesn by integrating your SaaS to your customers' various ERP and accounting systems with one API.

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Trusted by winning dev teams

One API. 
Your growth.

Grow faster with Maesn by integrating your SaaS to your customers' various ERP and accounting systems with one API.