Sync expenses into accounting systems
Spend management products generate expense data across cards, travel, reimbursements, and approvals. Maesn enables to sync that data directly into various accounting systems, correctly categorized, tax-compliant, and properly booked, across dozens of ERP and accounting systems without building each integration individually.

































How Findity uses Maesn to embed compliant expense sync across accounting systems
Findity is an AI-powered expense management platform. They offer white-label and API solutions, enabling partners to embed fully branded expense technology directly into their own products.
"Maesn has helped us build integrations with accounting systems, allowing us to focus on other priorities in our roadmap. We are especially pleased with the support we have received whenever we needed extended functionality in an integration that Maesn has arranged for us."
Per Q.
CTO @ Findity

Everything your expense sync workflow needs, fully integrated.
Maesn gives your product bidirectional access to all data objects required for enterprise-grade expense synchronization, pulled live from your customers' accounting and ERP systems. Chart of accounts, tax rates, dimensions, cost centers, and journal entries. No custom connectors, no manual categorization, no reconciliation gaps.
Use your customers' real accounting structure.
To post expenses correctly, your product needs to understand how each customer's accounting system is set up. Maesn gives you access to their chart of accounts, tax rates, and dimensions such as departments or cost centers, so you can present real accounting options in your UI. Every expense is booked exactly according to your customer's setup, not a generic template.

Support simple rules and complex categorization logic alike.
By exposing accounts, tax rates, and dimensions in your frontend, users can define exactly how expenses are categorized. This can be as simple as mapping all expenses to one account, or as advanced as conditional rules based on department, cost center, or expense type. Users can assign categories at the moment of sync, override predefined rules, or apply tax rates automatically based on local requirements. One standardized integration, built for every customer-specific accounting logic.
Sync expenses when they happen and keep them accurate.
Whenever spend occurs in your product, card transactions, travel expenses, or reimbursements, it can be synchronized directly to the accounting system with the correct classification. You decide whether this happens automatically or requires user confirmation. Maesn also ensures that underlying data like accounts, tax rates, and dimensions stays current over time, so your expense sync always reflects the latest accounting setup.
Still have questions?
Not sure if your use case is covered or want to walk through your setup with us? We're happy to take a look and find the best way to get you integrated fast.
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Enterprise-grade security & compliance are our foundation.
Built and hosted in Germany to meet the highest security and compliance standards, Maesn processes API calls in real time without storing customer data and is fully ISO 27001 & GDPR compliant.
