Dinero is a leading cloud accounting platform for small and medium-sized businesses in Denmark, owned by Visma and used by over 80.000 Danish companies. It covers invoicing, bookkeeping, expenses, VAT and Danish e-invoicing.
Integrate Dinero alongside dozens of other accounting and ERP systems through Maesn Unified API.

















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One-hour access tokens with replay-sensitive refresh, a per-request organizationId and a Pro-only API. Maesn abstracts all of it behind one clean REST interface.
Dinero authorizes through Visma Connect, access tokens expire every hour and one-time refresh tokens invalidate the whole authorization if mishandled. With Maesn your integration never stalls on token expiry or re-authorization.
Dinero has no dedicated developer sandbox, its API requires a paid Pro plan, and its own test accounts can normally only be created as a Danish company. Maesn provides a ready test setup regardless of your location, so you can start building immediately.
Paywise is a debt collection vendor, that helps businesses recover unpaid invoices - automating everything from payment reminders to legal enforcement.
"Since integrating with Maesn, we've dramatically increased our platform adoption - supporting a wide range of accounting systems in one go. Our customers can connect their existing tools instantly, which drives engagement and makes Maesn a key part of our success strategy."

Felix Pieper
Chief Information Officer @ Paywise

Unified. Certified. Production-ready.
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Dinero authenticates through Visma Connect using OAuth 2.0. Access tokens expire after one hour, and one-time refresh tokens invalidate the entire authorization if the same token is used twice. Maesn manages the full token lifecycle per tenant, including rotation and replay-safe handling.
One-hour access tokens rotated automatically
Replay-safe refresh-token handling per tenant
No token or re-authorization logic on your end
Visma Connect authenticates the user, not the organization, so every request must carry the correct organizationId. A mismatch is the most common cause of 401 errors. Maesn solves this with an interactive auth flow that discovers the organizations a user can access during authentication and injects the right organizationId into every request, enabling standardized authentication.
Accessible organizations discovered in authorization
Correct organizationId injected on every request
No 401s from mismatched organizations


Dinero offers only one native webhook (entries) and only for Visma Connect integrations. Maesn extends coverage with synthetic webhooks across every object, normalized and consistent with every other system in your stack.
Native entries webhook supported
Synthetic webhooks for every other object and event
Normalized payloads across all systems
Dinero publishes integrations on its public directory after a technical review of real API usage. Maesn supports you through the review and the publishing process, giving your product direct visibility to Dinero's Danish customer base.
Technical review of real API usage
Publishing on Dinero's integration directory
Maesn guides you through the process end to end


The Maesn docs cover every Dinero endpoint, authentication flow and implementation detail, plus a full overview of the current coverage, which is continuously being expanded.
Full Dinero endpoint & authentication documentation
Standard Auth-flow for your users
No custom token storage or grant token management
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Get your product listed in Dinero's integration directory and reach a concentrated base of Danish SMBs directly.

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Dinero's one-time refresh tokens invalidate the whole authorization on a double swap, and access tokens expire hourly. Maesn manages rotation and replay-safe handling per tenant so your integration never breaks.
Dinero authorizes users, not organizations. Maesn resolves and injects the correct organizationId automatically, eliminating the most common source of 401 errors.
Once Dinero is live, every other system Maesn supports is immediately accessible.
We are European.
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.

Everything you need to know about API integrations.
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Integrating via Maesn eliminates all Dinero-specific complexity. Visma Connect OAuth, one-hour tokens with replay-sensitive refresh, per-request organizationId resolution and the Pro-plan requirement are all handled automatically behind one unified API. Plus, you immediately gain access to dozens of other accounting and ERP systems.
Dinero is a cloud accounting platform for small and medium-sized businesses in Denmark, owned by Visma and used by over 80.000 Danish companies. It covers invoicing, bookkeeping, expenses, VAT and Danish e-invoicing, and is a common integration target for software teams serving the Danish market.
Dinero authenticates through Visma Connect using OAuth 2.0. Access tokens expire after one hour, and one-time refresh tokens invalidate the entire authorization if swapped twice. Maesn manages the full token lifecycle per tenant, so your integration stays connected without any manual handling. A separate API-key flow exists for personal integrations, which Maesn also supports.
Visma Connect authorizes the user, not the organization, and one user can have access to several organizations. Every API request must carry the correct organizationId. Maesn discovers the accessible organizations after authorization and injects the right one into every request, so you never run into mismatched-organization 401 errors.
Yes. The Dinero API is only available on organizations with an active Pro subscription; otherwise requests return a 403. Maesn surfaces this requirement during onboarding so your customers are never surprised during setup.
Dinero does not offer a dedicated developer sandbox, its API requires an active Pro plan, and creating a Dinero test account normally requires being based in Denmark. Maesn provides a ready test environment regardless of location so your team can start building and testing immediately.
Yes. Dinero publishes integrations on its public directory after a short technical review of real API usage. Maesn supports you through the review and publishing process so your product reaches Dinero's Danish customer base.
Maesn uses HTTPS and TLS for all data transfer and does not store any customer data. The platform is hosted on Microsoft Azure in Frankfurt, Germany and is fully GDPR & ISO 27001 compliant.