MaesnMaesn GmbH
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Related Products
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About
Maesn is a Unified API for ERP and accounting integrations. Software teams build one integration to Maesn and connect to DATEV, SAP, Sage, Microsoft Dynamics 365, Exact Online, Lexware, sevdesk, Xero, Odoo, Fortnox and 30+ more systems through a single REST API. Maesn unifies authentication (API keys, OAuth, database credentials, 2FA), pagination and filtering, webhooks, logging, monitoring and error handling, and normalises responses into a common data model for invoices, journal entries, contacts, payments and more. Custom fields are mapped into one schema, and synthetic webhooks cover systems without native ones. SDKs, sandboxes and quickstarts are available for Python, JavaScript, PHP, Go, Ruby and Java. Integrations run white-label under your brand, including certified marketplace listings and an embedded auth flow. Maesn is built and hosted in Germany, ISO 27001 certified, GDPR compliant and DORA-ready, and processes API calls in real time without storing customer data.
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About
Recal - the headless infrastructure for everything calendar, especially building custom booking systems. While most calendar tools force their UI on you, we believe developers should have complete control. Recal provides the calendar integration layer without any frontend constraints - just pure API/SDK that works with Google, Outlook, and other providers. Whether you're building AI scheduling agents, custom booking flows, or enterprise appointment systems, you get the calendar backend without the baggage. Your UI, your rules, our reliable infrastructure running on Cloudflare's edge network.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
B2B software vendors (SaaS, fintech, AP automation, AI), enterprise IT teams and tax advisory firms that need integrations to ERP and accounting systems
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Audience
Developers
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Not Supported
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
5€/month/user
We offer individual pricing packages.
Free Version
Not Supported
Free Trial
Supported
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Pricing
$50/month
Free Version
Not Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationMaesn GmbH
Founded: 2022
Germany
www.maesn.com
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Company InformationRecal
Founded: 2025
Germany
recal.dev
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Alternatives |
Alternatives |
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Categories |
Categories |
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Integrations
Abacus Financials
Supported
DATEV
Supported
Exact Online
Supported
Google Calendar
Not Supported
Microsoft Dynamics 365
Supported
Microsoft Outlook
Not Supported
Moneybird
Supported
Odoo
Supported
Qonto
Supported
QuickBooks Accountants
Supported
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Integrations
Abacus Financials
Not Supported
DATEV
Not Supported
Exact Online
Not Supported
Google Calendar
Supported
Microsoft Dynamics 365
Not Supported
Microsoft Outlook
Supported
Moneybird
Not Supported
Odoo
Not Supported
Qonto
Not Supported
QuickBooks Accountants
Not Supported
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