# Exact Online REST / OData API

**Canonical:** https://apis.io/apis/exact-online/rest-api/  
**Provider:** Exact Online — https://apis.io/providers/exact-online/  
**Base URL:** https://start.exactonline.nl/api/v1  
**Documentation:** https://start.exactonline.nl/docs/HlpRestAPIResources.aspx

Exact Online REST / OData API is one of 7 APIs that [Exact Online](https://apis.io/providers/exact-online/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Accounting, ERP, Invoicing, and Financial. The published artifact set on APIs.io includes API documentation and an API reference.

REST and OData API (v1) for Exact Online covering financials, sales, purchasing, inventory, HRM, CRM, project management, and master data. Authentication is OAuth 2.0; applications register in the Exact App Center and use regional auth/token endpoints (e.g. start.exactonline.nl for the Netherlands, start.exactonline.co.uk for the UK).

## Machine-readable artifacts (7)

- **Documentation** — https://start.exactonline.nl/docs/HlpRestAPIResources.aspx
- **Reference** — https://support.exactonline.com/community/s/article/All-All-DNO-Content-restrefdocs
- **Introduction** — https://support.exactonline.com/community/s/article/All-All-DNO-Content-restintro
- **OAuth Authorization Endpoint** — https://start.exactonline.nl/api/oauth2/auth
- **OAuth Token Endpoint** — https://start.exactonline.nl/api/oauth2/token
- **Sample Code** — https://support.exactonline.com/community/s/article/All-All-DNO-Content-restsamplecode
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/exact-online/refs/heads/main/apis.yml

## Other Exact Online APIs (6)

- [Exact Online CRM API](https://apis.io/apis/exact-online/exact-online-crm-api/)
- [Exact Online Financial API](https://apis.io/apis/exact-online/exact-online-financial-api/)
- [Exact Online Logistics API](https://apis.io/apis/exact-online/exact-online-logistics-api/)
- [Exact Online Purchase API](https://apis.io/apis/exact-online/exact-online-purchase-api/)
- [Exact Online Sales API](https://apis.io/apis/exact-online/exact-online-sales-api/)
- [Exact Online System API](https://apis.io/apis/exact-online/exact-online-system-api/)

## Tags

Accounting, ERP, Invoicing, Financial

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/exact-online/rest-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/exact-online/.