> ## Documentation Index > Fetch the complete documentation index at: https://docs.maesn.com/llms.txt > Use this file to discover all available pages before exploring further. # Endpoint coverage > 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. | | | | ---------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [AbaConnect](/integrations/abaconnect) | [async task](/api-reference/accounting-endpoints/asynctask)     [contacts](/api-reference/accounting-endpoints/contacts/get-contact)    [projects](/api-reference/accounting-endpoints/projects/get-project)     [sales orders](/api-reference/accounting-endpoints/salesorders/create-sales-order) | | [Abacus](/integrations/abacus) | [contacts](/api-reference/accounting-endpoints/contacts)    [customers](/api-reference/accounting-endpoints/customers)     [projects](/api-reference/accounting-endpoints/projects)     [sales orders](/api-reference/accounting-endpoints/salesorders)     [sales order lines](/api-reference/accounting-endpoints/salesorderlineitems) | | [Bexio](/integrations/bexio) | [accounts](/api-reference/accounting-endpoints/accounts)     [bank accounts](/api-reference/accounting-endpoints/bankaccounts)    [contacts](/api-reference/accounting-endpoints/contacts)    [items](/api-reference/accounting-endpoints/items)     [journal entries](/api-reference/accounting-endpoints/journalentries)     [tax rates](/api-reference/accounting-endpoints/taxrates) | | [BuchhaltungsButler](/integrations/buchhaltungsbutler) | [bills](/api-reference/accounting-endpoints/bills)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [DATEV Rechnungswesen](/integrations/datev-rechnungswesen) | [accounts](/api-reference/accounting-endpoints/accounts)     [async task](/api-reference/accounting-endpoints/asynctask)     [contacts](/api-reference/accounting-endpoints/contacts/create-contacts-bulk)    [files](/api-reference/accounting-endpoints/files)     [files async](/api-reference/accounting-endpoints/files/upload-file-async)     [fiscal years](/api-reference/accounting-endpoints/fiscalyears)     [journal entries](/api-reference/accounting-endpoints/journalentries/create-journal-entries-bulk)     [payment terms](/api-reference/accounting-endpoints/paymentterms)     [tax rates](/api-reference/accounting-endpoints/taxrates)     [trial balance](/api-reference/accounting-endpoints/trialbalance)     [users](/api-reference/user-endpoints/user/user-info) | | [DATEV UO](/integrations/datev-unternehmen-online) | [accounts](/api-reference/accounting-endpoints/accounts)     [async task](/api-reference/accounting-endpoints/asynctask)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [expenses async](/api-reference/accounting-endpoints/expenses/create-expense-async)     [files](/api-reference/accounting-endpoints/files)     [files async](/api-reference/accounting-endpoints/files/upload-file-async)     [tax rates](/api-reference/accounting-endpoints/taxrates)     [transactions](/api-reference/accounting-endpoints/transactions)     [users](/api-reference/user-endpoints/user/user-info) | | [Exact Online](/integrations/exact) | [accounts](/api-reference/accounting-endpoints/accounts)     [bills](/api-reference/accounting-endpoints/bills)     [bill lines](/api-reference/accounting-endpoints/billlineitems/)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [contacts](/api-reference/accounting-endpoints/contacts)     [customers](/api-reference/accounting-endpoints/customers)     [dimensions](/api-reference/accounting-endpoints/dimensions)     [expenses](/api-reference/accounting-endpoints/expenses)     [files](/api-reference/accounting-endpoints/files)     [goods receipts](/api-reference/accounting-endpoints/goodsreceipts)     [goods receipt lines](/api-reference/accounting-endpoints/goodsreceiptlineitems)     [invoices](/api-reference/accounting-endpoints/invoices)     [items](/api-reference/accounting-endpoints/items)     [journals](/api-reference/accounting-endpoints/journals)     [journal entries](/api-reference/accounting-endpoints/journalentries)     [open items](/api-reference/accounting-endpoints/openitems)     [payments](/api-reference/accounting-endpoints/payments)     [payment terms](/api-reference/accounting-endpoints/paymentterms)     [projects](/api-reference/accounting-endpoints/projects)     [purchase orders](/api-reference/accounting-endpoints/purchaseorders)     [purchase order lines](/api-reference/accounting-endpoints/purchaseorderlineitems)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [tax rates](/api-reference/accounting-endpoints/taxrates)     [transactions](/api-reference/accounting-endpoints/transactions)     [units](/api-reference/accounting-endpoints/units)     [vendor credits](/api-reference/accounting-endpoints/vendorcredits) | | [Fortnox](/integrations/fortnox) | [accounts](/api-reference/accounting-endpoints/accounts)    [bills](/api-reference/accounting-endpoints/bills)    [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)    [journals](/api-reference/accounting-endpoints/journals)     [journal entries](/api-reference/accounting-endpoints/journalentries/get-journal-entry)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [FreeAgent](/integrations/freeagent) | [contacts](/api-reference/accounting-endpoints/contacts)     [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [FreshBooks](/integrations/freshbooks) | [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Holded](/integrations/holded) | [contacts](/api-reference/accounting-endpoints/contacts)     [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Lexware Office](/integrations/lexware-office) | [accounts](/api-reference/accounting-endpoints/accounts)     [bank accounts](/api-reference/accounting-endpoints/bankaccounts)     [bills](/api-reference/accounting-endpoints/bills)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)     [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)    [items](/api-reference/accounting-endpoints/items)    [offers](/api-reference/accounting-endpoints/offers)   [offer lines](/api-reference/accounting-endpoints/offerlineitems)     [suppliers](/api-reference/accounting-endpoints/suppliers)    [transactions](/api-reference/accounting-endpoints/transactions)    | | [MS Business Central](/integrations/microsoft-dynamics-365-business-central) | [accounts](/api-reference/accounting-endpoints/accounts)    [credit notes](/api-reference/accounting-endpoints/creditnotes)     [customers](/api-reference/accounting-endpoints/customers)    [expenses](/api-reference/accounting-endpoints/expenses)     [invoices](/api-reference/accounting-endpoints/invoices)    [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)    [items](/api-reference/accounting-endpoints/items)    [journal entries](/api-reference/accounting-endpoints/journalentries)    [offers](/api-reference/accounting-endpoints/offers)    [offer lines](/api-reference/accounting-endpoints/offerlineitems)    [suppliers](/api-reference/accounting-endpoints/suppliers)    [sales orders](/api-reference/accounting-endpoints/salesorders) | | [Moneybird](/integrations/moneybird) | [accounts](/api-reference/accounting-endpoints/accounts)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [contacts](/api-reference/accounting-endpoints/contacts)     [tax rates](/api-reference/accounting-endpoints/taxrates) | | [Odoo](/integrations/odoo) | [accounts](/api-reference/accounting-endpoints/accounts)    [contacts](/api-reference/accounting-endpoints/contacts)    [journals](/api-reference/accounting-endpoints/journals)     [journal entries](/api-reference/accounting-endpoints/journalentries/get-journal-entry)    | | [Pennylane](/integrations/pennylane) | [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Qonto](/integrations/qonto) | [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [invoices](/api-reference/accounting-endpoints/invoices)     [bills](/api-reference/accounting-endpoints/bills) | | [QuickBooks](/integrations/quickbooks) | [accounts](/api-reference/accounting-endpoints/accounts)    [customers](/api-reference/accounting-endpoints/customers)     [expenses](/api-reference/accounting-endpoints/expenses)     [invoices](/api-reference/accounting-endpoints/invoices)     [items](/api-reference/accounting-endpoints/items)     [journal entries](/api-reference/accounting-endpoints/journalentries/get-journal-entry)     [payments](/api-reference/accounting-endpoints/payments)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [tax rates](/api-reference/accounting-endpoints/taxrates)     [users](/api-reference/user-endpoints/user/user-info) | | [Sage Accounting](/integrations/sageaccounting) | [accounts](/api-reference/accounting-endpoints/accounts)    [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Sage Active](/integrations/sage-active) | [accounts](/api-reference/accounting-endpoints/accounts)    [customers](/api-reference/accounting-endpoints/customers)    [invoices](/api-reference/accounting-endpoints/invoices)     [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)     [items](/api-reference/accounting-endpoints/items)     [journal entries](/api-reference/accounting-endpoints/journalentries)    [offers](/api-reference/accounting-endpoints/offers)   [offer lines](/api-reference/accounting-endpoints/offerlineitems)    [sales orders](/api-reference/accounting-endpoints/salesorders)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [trial balance](/api-reference/accounting-endpoints/trialbalance) | | [Sevdesk](/integrations/sevdesk) | [accounts](/api-reference/accounting-endpoints/accounts)     [bank accounts](/api-reference/accounting-endpoints/bankaccounts)     [bills](/api-reference/accounting-endpoints/bills)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)     [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)     [payments](/api-reference/accounting-endpoints/payments)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [transactions](/api-reference/accounting-endpoints/transactions) | | [Snelstart](/integrations/snelstart) | [accounts](/api-reference/accounting-endpoints/accounts)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [contacts](/api-reference/accounting-endpoints/contacts)     [files](/api-reference/accounting-endpoints/files)     [tax rates](/api-reference/accounting-endpoints/taxrates) | | [Twinfield](/integrations/twinfield) | [accounts](/api-reference/accounting-endpoints/accounts)     [customers](/api-reference/accounting-endpoints/customers)    [dimensions](/api-reference/accounting-endpoints/dimensions)     [expenses](/api-reference/accounting-endpoints/expenses)     [journals](/api-reference/accounting-endpoints/journals)     [journal entries](/api-reference/accounting-endpoints/journalentries/get-journal-entry)    [projects](/api-reference/accounting-endpoints/projects)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [tax rates](/api-reference/accounting-endpoints/taxrates) | | [Visma eAccounting](/integrations/visma-eaccounting) | [customers](/api-reference/accounting-endpoints/customers)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Visma e-conomic](/integrations/visma-e-conomic) | [accounts](/api-reference/accounting-endpoints/accounts)     [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [customers](/api-reference/accounting-endpoints/customers)     [journals](/api-reference/accounting-endpoints/journals)     [payments](/api-reference/accounting-endpoints/payments)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Weclapp](/integrations/weclapp) | [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)     [payments](/api-reference/accounting-endpoints/payments)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Xentral](/integrations/xentral) | [customers](/api-reference/accounting-endpoints/customers)     [invoices](/api-reference/accounting-endpoints/invoices)     [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)     [suppliers](/api-reference/accounting-endpoints/suppliers) | | [Xero](/integrations/xero) | [accounts](/api-reference/accounting-endpoints/accounts)    [booking proposals](/api-reference/accounting-endpoints/bookingproposals)     [contacts](/api-reference/accounting-endpoints/contacts)     [customers](/api-reference/accounting-endpoints/customers)     [expenses](/api-reference/accounting-endpoints/expenses)     [invoices](/api-reference/accounting-endpoints/invoices)     [invoice lines](/api-reference/accounting-endpoints/invoicelineitems)     [items](/api-reference/accounting-endpoints/items)     [journal entries](/api-reference/accounting-endpoints/journalentries)     [payments](/api-reference/accounting-endpoints/payments)     [suppliers](/api-reference/accounting-endpoints/suppliers)     [tax rates](/api-reference/accounting-endpoints/taxrates)     [users](/api-reference/user-endpoints/user/user-info) |