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ERP APIs
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Microsoft Business Central
Xentral
Exact Online
Weclapp
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Accounting APIs
Create accounting integrations fast with scalable unified APIs. Get started.
DATEV Unternehmen Online
sevdesk
Sage Active
Xero
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Case Studies
Debt Management
Create debt management integrations fast with scalable unified APIs. Get started.
paywise
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CRM
Build and manage CRM integrations fast with scalable unified APIs. Get started.
HubSpot
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Invoice Creation
Create Invoices based on the data from your software. Get started.
Clockin
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Docs
Quick start
Learn how to integrate your accounting or ERP with our detailed doc guides. Start now.
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Authentication
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Resources
Postman Collection
Get started using our unified API in no-time with these collections. Start Now.
Maesn Postman collections
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Blog
Read state of the art guidelines, tips and more on our API blog. Read content.
Maesn blog
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DATEV Whitepaper
Explore how to streamline DATEV accounting integration with a unified API. Learn more.
DATEV accounting integration
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Documentation
Learn how to integrate your accounting or ERP with our detailed doc guides. Start now.
Full Maesn API guides
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BuchhaltungsButler
API Integration

The easiest way to build an integration to BuchhaltungsButler API

Trusted by winning dev teams

Simplify BuchhaltungsButler Integration

Maesn handles the tricky parts of BuchhaltungsButler integrations - here’s how:

Connect Business Central

Get Invoices/Files via API

Access invoices as base64 strings instead of downloading via URLs – standardized and ready to use.

Streamlining authentication

Skip building an auth flow – Maesn handles BuchhaltungsButler’s API key, client, and secret logic.

Customer and supplier management

Post and fetch customer or supplier data easily. All fields mapped cleanly via Maesn’s unified API.

Intuitive Error Handling

BuchhaltungsButler limits API calls – Maesn returns unified error messages when conflicts or rate limits occur.

Official tech partner

Guided BuchhaltungsButler Onboarding

Accelerate your future integrations with Maesn’s whitelabel unified API process.

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Integrate with
Maesn API

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Create your
BuchhaltungsButler Integration

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Automate Your

Finance Ops

Maesn's API advantage

Integrate to BuchhaltungsButler today with one unified API

Connect, sync, grow

Why Choose Maesn for BuchhaltungsButler Integration?

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Integrate in 1 day

No custom setup needed – launch fast with Maesn’s unified API.

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Accurate Data Mapping

Prevent mismatched line items and broken records across systems.

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API and Partner

Connect via API or integrate as an authorized BuchhaltungsButler partner – both fully supported.

Your SaaS

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Your integrations

Start your BuchhaltungsButler API  Integration

Grow faster with Maesn by integrating your SaaS to Buchhaltungsbutler with one unified API

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Trusted by winning dev teams

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