# Exact Online — Accounting API: guides

> Canonical URL: https://developers.apideck.com/apis/accounting/exact-online/guides

- [Integrating Expenses and Bills with the Accounting API](https://developers.apideck.com/guides/expenses-bills.md): Handle Expenses and Bills in accounting integrations. Worked examples with QuickBooks, Xero, Exact Online, and NetSuite using the Apideck Accounting API.
- [Multi-Company Support in Accounting](https://developers.apideck.com/guides/multi-company-accounting.md): Switch between companies at request time using the x-apideck-company-id header for accounting connectors that support multi-company.
- [Building a Ledger Account Mapping UI](https://developers.apideck.com/guides/ledger-account-mapping.md): How to build a mapping interface between your expense categories and downstream accounting ledger accounts.
- [Accounting Data Model: How Entities Connect](https://developers.apideck.com/guides/accounting-data-model.md): Understand how accounting entities (ledger accounts, invoices, bills, payments, journal entries) relate to each other in the Apideck unified API.
- [Multi-Entity Accounting & Tracking Dimensions](https://developers.apideck.com/guides/multi-entity-accounting.md): How Apideck handles multiple companies, legal entities, and tracking dimensions (departments, locations, subsidiaries) across accounting connectors.
- [Building Accounting Integrations for Expense Management Platforms](https://developers.apideck.com/guides/expense-management-integration.md): Complete blueprint for expense management platforms, corporate card providers, and neobanks to integrate with accounting systems through Apideck.

[API reference](https://developers.apideck.com/apis/accounting/reference.md) · [Coverage matrix](https://developers.apideck.com/apis/accounting/coverage)