# maesn

## Docs

- [Accounting API](https://docs.maesn.com/api-reference/accounting-endpoints/accounting-overview.md)
- [Create account](https://docs.maesn.com/api-reference/accounting-endpoints/accounts/create-account.md)
- [Get account](https://docs.maesn.com/api-reference/accounting-endpoints/accounts/get-account.md)
- [Get accounts](https://docs.maesn.com/api-reference/accounting-endpoints/accounts/get-accounts.md)
- [Get async task info](https://docs.maesn.com/api-reference/accounting-endpoints/asynctask/get-async-task-info.md)
- [Create bank account](https://docs.maesn.com/api-reference/accounting-endpoints/bankaccounts/create-bank-account.md)
- [Get bank account](https://docs.maesn.com/api-reference/accounting-endpoints/bankaccounts/get-bank-account.md)
- [Get bank accounts](https://docs.maesn.com/api-reference/accounting-endpoints/bankaccounts/get-bank-accounts.md)
- [Create contacts](https://docs.maesn.com/api-reference/accounting-endpoints/batch/contacts/create-contacts.md)
- [Create bill line](https://docs.maesn.com/api-reference/accounting-endpoints/billlineitems/create-bill-line.md)
- [Get bill lines](https://docs.maesn.com/api-reference/accounting-endpoints/billlineitems/get-bill-lines.md)
- [Update bill line](https://docs.maesn.com/api-reference/accounting-endpoints/billlineitems/update-bill-line.md)
- [Create bill](https://docs.maesn.com/api-reference/accounting-endpoints/bills/create-bill.md)
- [Delete bill](https://docs.maesn.com/api-reference/accounting-endpoints/bills/delete-bill.md)
- [Get bill](https://docs.maesn.com/api-reference/accounting-endpoints/bills/get-bill.md)
- [Get bill document](https://docs.maesn.com/api-reference/accounting-endpoints/bills/get-bill-document.md)
- [Get bills](https://docs.maesn.com/api-reference/accounting-endpoints/bills/get-bills.md)
- [Update bill](https://docs.maesn.com/api-reference/accounting-endpoints/bills/update-bill.md)
- [Create booking proposal](https://docs.maesn.com/api-reference/accounting-endpoints/bookingproposals/create-booking-proposal.md)
- [Get booking proposal](https://docs.maesn.com/api-reference/accounting-endpoints/bookingproposals/get-booking-proposal.md)
- [Get booking proposal document](https://docs.maesn.com/api-reference/accounting-endpoints/bookingproposals/get-booking-proposal-document.md)
- [Get booking proposals](https://docs.maesn.com/api-reference/accounting-endpoints/bookingproposals/get-booking-proposals.md)
- [Create bookings](https://docs.maesn.com/api-reference/accounting-endpoints/bookings/create-bookings.md)
- [Create contact](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/create-contact.md)
- [Create contacts bulk](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/create-contacts-bulk.md)
- [Get contact](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/get-contact.md)
- [Get contacts](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/get-contacts.md)
- [Patch contact](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/patch-contact.md)
- [Put contact](https://docs.maesn.com/api-reference/accounting-endpoints/contacts/put-contact.md)
- [Get credit note](https://docs.maesn.com/api-reference/accounting-endpoints/creditnotes/get-credit-note.md)
- [Get credit notes](https://docs.maesn.com/api-reference/accounting-endpoints/creditnotes/get-credit-notes.md)
- [Create customer](https://docs.maesn.com/api-reference/accounting-endpoints/customers/create-customer.md)
- [Get customer](https://docs.maesn.com/api-reference/accounting-endpoints/customers/get-customer.md)
- [Get customers](https://docs.maesn.com/api-reference/accounting-endpoints/customers/get-customers.md)
- [Patch customer](https://docs.maesn.com/api-reference/accounting-endpoints/customers/patch-customer.md)
- [Update customer](https://docs.maesn.com/api-reference/accounting-endpoints/customers/update-customer.md)
- [Get dimensions](https://docs.maesn.com/api-reference/accounting-endpoints/dimensions/get-dimensions.md)
- [Create expense](https://docs.maesn.com/api-reference/accounting-endpoints/expenses/create-expense.md)
- [Create expense async](https://docs.maesn.com/api-reference/accounting-endpoints/expenses/create-expense-async.md)
- [Get expense](https://docs.maesn.com/api-reference/accounting-endpoints/expenses/get-expense.md)
- [Get expenses](https://docs.maesn.com/api-reference/accounting-endpoints/expenses/get-expenses.md)
- [Get document extensions](https://docs.maesn.com/api-reference/accounting-endpoints/files/get-document-extensions.md)
- [Get document types](https://docs.maesn.com/api-reference/accounting-endpoints/files/get-document-types.md)
- [Upload file](https://docs.maesn.com/api-reference/accounting-endpoints/files/upload-file.md)
- [Upload file async](https://docs.maesn.com/api-reference/accounting-endpoints/files/upload-file-async.md)
- [Get fiscal year](https://docs.maesn.com/api-reference/accounting-endpoints/fiscalyears/get-fiscal-year.md)
- [Get fiscal years](https://docs.maesn.com/api-reference/accounting-endpoints/fiscalyears/get-fiscal-years.md)
- [Get goods receipt line](https://docs.maesn.com/api-reference/accounting-endpoints/goodsreceiptlineitems/get-goods-receipt-line.md)
- [Get goods receipt lines](https://docs.maesn.com/api-reference/accounting-endpoints/goodsreceiptlineitems/get-goods-receipt-lines.md)
- [Get goods receipt](https://docs.maesn.com/api-reference/accounting-endpoints/goodsreceipts/get-goods-receipt.md)
- [Get goods receipts](https://docs.maesn.com/api-reference/accounting-endpoints/goodsreceipts/get-goods-receipts.md)
- [Get invoice line](https://docs.maesn.com/api-reference/accounting-endpoints/invoicelineitems/get-invoice-line.md)
- [Get invoice lines](https://docs.maesn.com/api-reference/accounting-endpoints/invoicelineitems/get-invoice-lines.md)
- [Create invoice](https://docs.maesn.com/api-reference/accounting-endpoints/invoices/create-invoice.md)
- [Get invoice](https://docs.maesn.com/api-reference/accounting-endpoints/invoices/get-invoice.md)
- [Get invoice document](https://docs.maesn.com/api-reference/accounting-endpoints/invoices/get-invoice-document.md)
- [Get invoices](https://docs.maesn.com/api-reference/accounting-endpoints/invoices/get-invoices.md)
- [Patch invoice](https://docs.maesn.com/api-reference/accounting-endpoints/invoices/patch-invoice.md)
- [Create item](https://docs.maesn.com/api-reference/accounting-endpoints/items/create-item.md)
- [Get item](https://docs.maesn.com/api-reference/accounting-endpoints/items/get-item.md)
- [Get items](https://docs.maesn.com/api-reference/accounting-endpoints/items/get-items.md)
- [Patch item](https://docs.maesn.com/api-reference/accounting-endpoints/items/patch-item.md)
- [Create journal entry attachment](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/attachments/create-journal-entry-attachment.md)
- [Get journal entry attachment](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/attachments/get-journal-entry-attachment.md)
- [Get journal entry attachments](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/attachments/get-journal-entry-attachments.md)
- [Create journal entries bulk](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/create-journal-entries-bulk.md)
- [Create journal entry](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/create-journal-entry.md)
- [Get journal entries](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/get-journal-entries.md)
- [Get journal entry](https://docs.maesn.com/api-reference/accounting-endpoints/journalentries/get-journal-entry.md)
- [Get journals](https://docs.maesn.com/api-reference/accounting-endpoints/journals/get-journals.md)
- [Get offer line](https://docs.maesn.com/api-reference/accounting-endpoints/offerlineitems/get-offer-line.md)
- [Get offer lines](https://docs.maesn.com/api-reference/accounting-endpoints/offerlineitems/get-offer-lines.md)
- [Create offer](https://docs.maesn.com/api-reference/accounting-endpoints/offers/create-offer.md)
- [Get offer](https://docs.maesn.com/api-reference/accounting-endpoints/offers/get-offer.md)
- [Get offer document](https://docs.maesn.com/api-reference/accounting-endpoints/offers/get-offer-document.md)
- [Get offers](https://docs.maesn.com/api-reference/accounting-endpoints/offers/get-offers.md)
- [Get open items](https://docs.maesn.com/api-reference/accounting-endpoints/openitems/get-open-items.md)
- [Create payment](https://docs.maesn.com/api-reference/accounting-endpoints/payments/create-payment.md)
- [Delete payment](https://docs.maesn.com/api-reference/accounting-endpoints/payments/delete-payment.md)
- [Get payment](https://docs.maesn.com/api-reference/accounting-endpoints/payments/get-payment.md)
- [Get payments](https://docs.maesn.com/api-reference/accounting-endpoints/payments/get-payments.md)
- [Create payment term](https://docs.maesn.com/api-reference/accounting-endpoints/paymentterms/create-payment-term.md)
- [Get payment term](https://docs.maesn.com/api-reference/accounting-endpoints/paymentterms/get-payment-term.md)
- [Get payment terms](https://docs.maesn.com/api-reference/accounting-endpoints/paymentterms/get-payment-terms.md)
- [Create project](https://docs.maesn.com/api-reference/accounting-endpoints/projects/create-project.md)
- [Get project](https://docs.maesn.com/api-reference/accounting-endpoints/projects/get-project.md)
- [Get projects](https://docs.maesn.com/api-reference/accounting-endpoints/projects/get-projects.md)
- [Get purchase order line](https://docs.maesn.com/api-reference/accounting-endpoints/purchaseorderlineitems/get-purchase-order-line.md)
- [Get purchase order lines](https://docs.maesn.com/api-reference/accounting-endpoints/purchaseorderlineitems/get-purchase-order-lines.md)
- [Get purchase order](https://docs.maesn.com/api-reference/accounting-endpoints/purchaseorders/get-purchase-order.md)
- [Get purchase orders](https://docs.maesn.com/api-reference/accounting-endpoints/purchaseorders/get-purchase-orders.md)
- [Get sales order lines](https://docs.maesn.com/api-reference/accounting-endpoints/salesorderlineitems/get-sales-order-lines.md)
- [Create sales order](https://docs.maesn.com/api-reference/accounting-endpoints/salesorders/create-sales-order.md)
- [Get sales order](https://docs.maesn.com/api-reference/accounting-endpoints/salesorders/get-sales-order.md)
- [Get sales orders](https://docs.maesn.com/api-reference/accounting-endpoints/salesorders/get-sales-orders.md)
- [Create supplier](https://docs.maesn.com/api-reference/accounting-endpoints/suppliers/create-supplier.md)
- [Get supplier](https://docs.maesn.com/api-reference/accounting-endpoints/suppliers/get-supplier.md)
- [Get suppliers](https://docs.maesn.com/api-reference/accounting-endpoints/suppliers/get-suppliers.md)
- [Patch supplier](https://docs.maesn.com/api-reference/accounting-endpoints/suppliers/patch-supplier.md)
- [Update supplier](https://docs.maesn.com/api-reference/accounting-endpoints/suppliers/update-supplier.md)
- [Get tax rate](https://docs.maesn.com/api-reference/accounting-endpoints/taxrates/get-tax-rate.md)
- [Get tax rates](https://docs.maesn.com/api-reference/accounting-endpoints/taxrates/get-tax-rates.md)
- [Add callback url](https://docs.maesn.com/api-reference/accounting-endpoints/tenants/add-callback-url.md)
- [Create signing secret](https://docs.maesn.com/api-reference/accounting-endpoints/tenants/create-signing-secret.md)
- [Delete end user](https://docs.maesn.com/api-reference/accounting-endpoints/tenants/delete-end-user.md)
- [Get end user list](https://docs.maesn.com/api-reference/accounting-endpoints/tenants/get-end-user-list.md)
- [Register end system](https://docs.maesn.com/api-reference/accounting-endpoints/tenants/register-end-system.md)
- [Create transaction](https://docs.maesn.com/api-reference/accounting-endpoints/transactions/create-transaction.md)
- [Get trial balance](https://docs.maesn.com/api-reference/accounting-endpoints/trialbalance/get-trial-balance.md)
- [Get units](https://docs.maesn.com/api-reference/accounting-endpoints/units/get-units.md)
- [Create vendor credit](https://docs.maesn.com/api-reference/accounting-endpoints/vendorcredits/create-vendor-credit.md)
- [Delete vendor credit](https://docs.maesn.com/api-reference/accounting-endpoints/vendorcredits/delete-vendor-credit.md)
- [Get vendor credits](https://docs.maesn.com/api-reference/accounting-endpoints/vendorcredits/get-vendor-credits.md)
- [Update vendor credit](https://docs.maesn.com/api-reference/accounting-endpoints/vendorcredits/update-vendor-credit.md)
- [Create account](https://docs.maesn.com/api-reference/auth/create-account.md)
- [Get auth](https://docs.maesn.com/api-reference/auth/get-auth.md)
- [Get companies](https://docs.maesn.com/api-reference/auth/get-companies.md)
- [Get environments](https://docs.maesn.com/api-reference/auth/get-environments.md)
- [Post tenantsregister system](https://docs.maesn.com/api-reference/tenants/post-tenantsregister-system.md)
- [User API](https://docs.maesn.com/api-reference/user-endpoints/user-overview.md)
- [User info](https://docs.maesn.com/api-reference/user-endpoints/user/user-info.md)
- [Create webhook](https://docs.maesn.com/api-reference/webhooks/create-webhook.md)
- [Delete webhook](https://docs.maesn.com/api-reference/webhooks/delete-webhook.md)
- [Get webhooks](https://docs.maesn.com/api-reference/webhooks/get-webhooks.md)
- [Asynchronous Task](https://docs.maesn.com/async-task.md): Learn how asynchronous tasks work in the Maesn Unified API for long-running operations.
- [Authentication](https://docs.maesn.com/authentication.md): Learn how to authenticate to the maesn Unified API.
- [Filtering, Ordering, & Pagination](https://docs.maesn.com/filtering-ordering-pagination.md): Learn how Maesn Unified API handles Filtering, Ordering and Pagination to access exactly the data that you need.
- [Error handling](https://docs.maesn.com/guides/error-handling.md): Technical guide to error handling, retries, and debugging when using the Maesn Unified API.
- [Keeping data fresh](https://docs.maesn.com/guides/keep-data-fresh.md): Learn best practices for keeping accounting data up to date using syncs and webhooks.
- [maesn Connect](https://docs.maesn.com/guides/maesn-connect.md): Learn best practices for building authentication flows for your end users with the Maesn API.
- [Test maesn's Unified API with Postman](https://docs.maesn.com/guides/postman.md): Use Postman collections to explore and test the Maesn Unified API endpoints.
- [Quick start](https://docs.maesn.com/guides/quick-start.md): Step-by-step quick start guide to implement your first integration using the Maesn Unified API.
- [Endpoint coverage](https://docs.maesn.com/integrations.md): Overview of supported ERP systems and Endpoints with Maesn Unified API. Read the Documentation to integrate multiple accounting and ERP systems through one standardized API.
- [Explore our integrations](https://docs.maesn.com/integrations-overview.md): Overview of supported ERP and Accounting systems with Maesn Unified API.
- [AbaConnect](https://docs.maesn.com/integrations/abaconnect.md): Integrate Abacus and Ababau easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Abacus](https://docs.maesn.com/integrations/abacus.md): Integrate Abacus and Ababau easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [bexio](https://docs.maesn.com/integrations/bexio.md): Integrate Bexio easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [BuchhaltungsButler](https://docs.maesn.com/integrations/buchhaltungsbutler.md): Integrate BuchhaltungsButler easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [DATEV Rechnungswesen](https://docs.maesn.com/integrations/datev-rechnungswesen.md): Integrate DATEV Rechnungswesen easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [DATEV Unternehmen Online](https://docs.maesn.com/integrations/datev-unternehmen-online.md): Integrate DATEV Unternehmen Online easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Exact Online](https://docs.maesn.com/integrations/exact-online.md): Integrate Exact Online easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [fortnox](https://docs.maesn.com/integrations/fortnox.md): Integrate Fortnox easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [FreeAgent](https://docs.maesn.com/integrations/freeagent.md): Integrate FreeAgent easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [FreshBooks](https://docs.maesn.com/integrations/freshbooks.md): Integrate Freshbooks easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Holded](https://docs.maesn.com/integrations/holded.md): Integrate Holded easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Lexware Office](https://docs.maesn.com/integrations/lexware-office.md): Integrate Lexware Office easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Microsoft Business Central](https://docs.maesn.com/integrations/microsoft-dynamics-365-business-central.md): Integrate Microsoft Business Central easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Moneybird](https://docs.maesn.com/integrations/moneybird.md): Integrate Moneybird easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Odoo](https://docs.maesn.com/integrations/odoo.md): Integrate Odoo easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Pennylane](https://docs.maesn.com/integrations/pennylane.md): Integrate Pennylane easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Qonto](https://docs.maesn.com/integrations/qonto.md): Integrate Qonto easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [QuickBooks](https://docs.maesn.com/integrations/quickbooks.md): Integrate Quickbooks easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Sage Accounting](https://docs.maesn.com/integrations/sage-accounting.md): Integrate Sage Accounting easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Sage Active](https://docs.maesn.com/integrations/sage-active.md): Integrate Sage Active easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [sevdesk](https://docs.maesn.com/integrations/sevdesk.md): Integrate sevdesk easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Snelstart](https://docs.maesn.com/integrations/snelstart.md): Integrate Snelstart easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Twinfield](https://docs.maesn.com/integrations/twinfield.md): Integrate Twinfield easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Visma e-conomic](https://docs.maesn.com/integrations/visma-e-conomic.md): Integrate Visma e-conomic easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Visma eAccounting (Spiris)](https://docs.maesn.com/integrations/visma-eaccounting.md): Integrate Visma eAccounting easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [weclapp](https://docs.maesn.com/integrations/weclapp.md): Integrate weclapp easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Xentral](https://docs.maesn.com/integrations/xentral.md): Integrate Xentral easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Xero](https://docs.maesn.com/integrations/xero.md): Integrate Xero easily with Maesn’s Unified API. See the documentation with detailed system coverage and setup prerequisites.
- [Introduction](https://docs.maesn.com/introduction.md): Introduction to Maesn Unified API for ERP and Accounting software.The documentation helps you to get started with the maesn API.
- [MCP Server](https://docs.maesn.com/mcp-server.md): Technical documentation for the MCP Server and machine-to-machine communication.
- [Passthrough](https://docs.maesn.com/pass-through.md): The Maesn Passthrough Feature enables access to APIs that are not part of Maesn.
- [Rate limiting](https://docs.maesn.com/rate-limits.md): Learn how Maesn handles Rate Limiting for all supported systems.
- [Raw Data](https://docs.maesn.com/raw-data.md): The Maesn Raw Data Feature enables access to data that is not part of the common data model of Maesn.
- [Sandboxes](https://docs.maesn.com/sandboxes.md): Use sandbox environments provided by maesn to test accounting integrations safely before going live.
- [TypeScript SDK](https://docs.maesn.com/sdk.md): Use the official Maesn TypeScript SDK to interact with the unified API.
- [Standardized Data](https://docs.maesn.com/standardization.md): Technical explanation of standardized values used across all accounting integrations.
- [Explore our use cases](https://docs.maesn.com/use-cases.md): Use these cookbook-style recipies to understand how your product could work with the Maesn API.
- [Create and update contacts in DATEV Rechnungswesen](https://docs.maesn.com/use-cases/DATEV-Rechnungswesen-create-update-contacts.md): Simplify the creation and updating of creditor and debitor records in DATEV Rechnungswesen.
- [Create bookings in DATEV Rechnungswesen](https://docs.maesn.com/use-cases/DATEV-Rechnungswesen-upload-journalentries.md): Easily create journal entries in DATEV for accounting and tax purposes
- [Capture invoices & bills in DATEV Unternehmen Online](https://docs.maesn.com/use-cases/DATEV-Unternehmen-online-upload-booking-proposals.md): Implement easy generation and transfer of booking proposals to DATEV for accounting and tax purposes
- [Retrieve accounting data from DATEV Rechnungswesen](https://docs.maesn.com/use-cases/DATEV-retrieve-data.md): Gain exclusive early access to reading data from DATEV
- [Accounts payable](https://docs.maesn.com/use-cases/accounts-payable.md): Step-by-step API guide for implementing unified accounts payable workflows with Maesn Unified API.
- [Accounts receivable](https://docs.maesn.com/use-cases/accounts-receivable.md): Technical walkthrough for accounts receivable workflows using the Maesn Unified API.
- [Capture invoices & bills](https://docs.maesn.com/use-cases/capture-invoices.md): Step-by-step technical guide to capture invoices and bills from accounting systems using the Maesn Unified API.
- [Create bookings](https://docs.maesn.com/use-cases/create-bookings.md): Step-by-step technical guide to create accounting bookings via the Unified API.
- [Create invoices](https://docs.maesn.com/use-cases/create-invoices.md): Technical step-by-step documentation for creating invoices in your customers ERP based on structured data via the Maesn Unified API.
- [DATEV use cases](https://docs.maesn.com/use-cases/datev-overview.md): Documentation for implementing common DATEV integration use cases using Maesn Unified API.
- [Debt management](https://docs.maesn.com/use-cases/debt-management.md): Technical walkthrough for implementing debt management workflows.
- [Fetch bills](https://docs.maesn.com/use-cases/fetch-bills.md): Technical step-by-step documentation to fetch bills and supplier invoices via the Maesn Unified API.
- [Fetch invoices](https://docs.maesn.com/use-cases/fetch-invoices.md): Step-by-step guide to fetch invoices from multiple accounting systems using a single Unified API.
- [Synchronize contacts](https://docs.maesn.com/use-cases/sync-contacts.md): Step-by-step technical guide to synchronize contacts across accounting systems using Maesn Unified API.
- [Synchronize expenses](https://docs.maesn.com/use-cases/sync-expenses.md): Technical walkthrough for synchronizing expenses via the Maesn Unified Accounting API.
- [Synchronize items](https://docs.maesn.com/use-cases/sync-items.md): Step-by-step guide to synchronize items and products across accounting systems.
- [Create booking proposal](https://docs.maesn.com/v2/api-reference/accounting-endpoints/bookingproposals/create-booking-proposal.md)
- [Get dimensions](https://docs.maesn.com/v2/api-reference/accounting-endpoints/dimensions/get-dimensions.md)
- [Get dimensions by dimension](https://docs.maesn.com/v2/api-reference/accounting-endpoints/dimensions/get-dimensions-by-dimension.md)
- [Webhooks](https://docs.maesn.com/webhooks.md): Learn how to use webhooks to receive real-time updates from connected accounting systems.
- [Welcome to maesn!](https://docs.maesn.com/what-is-maesn.md): Learn more about Maesn and the vision behind the Unified Accounting API.

## OpenAPI Specs

- [openapi](https://docs.maesn.com/openapi.json)
- [openapi-v2](https://docs.maesn.com/openapi-v2.json)
- [unifiedapi](https://docs.maesn.com/api-reference/unifiedapi.json)