# Proactis eInvoice API

**Canonical:** https://apis.io/apis/proactis/proactis-einvoice/  
**Provider:** Proactis — https://apis.io/providers/proactis/  
**Base URL:** https://apiuk.proactiscloud.com/einvoicing  
**Documentation:** https://docs.proactis.com/apis/einvoice-api/overview

Proactis eInvoice API is one of 10 APIs that [Proactis](https://apis.io/providers/proactis/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include E-Invoicing, UBL, and Accounts Payable. The published artifact set on APIs.io includes API documentation and an API reference.

Import electronic invoices created in another application into Proactis as OASIS UBL 2.1 documents. Each invoice requires at least one line item; the API answers with a UBL response and subsequent processing is reported through the eInvoicing widgets.

## Machine-readable artifacts (3)

- **Documentation** — https://docs.proactis.com/apis/einvoice-api/overview
- **APIReference** — https://docs.proactis.com/einvoice-api
- **Examples** — https://docs.proactis.com/apis/einvoice-api/sample-messages

## Other Proactis APIs (9)

- [Proactis Accounting API](https://apis.io/apis/proactis/proactis-accounting/)
- [Proactis Contract API](https://apis.io/apis/proactis/proactis-contract/)
- [Proactis Invoice API](https://apis.io/apis/proactis/proactis-invoice/)
- [Proactis Order API](https://apis.io/apis/proactis/proactis-order/)
- [Proactis Receipt API](https://apis.io/apis/proactis/proactis-receipt/)
- [Proactis Requisition API](https://apis.io/apis/proactis/proactis-requisition/)
- [Proactis Supplier API](https://apis.io/apis/proactis/proactis-supplier/)
- [Proactis Timecard API](https://apis.io/apis/proactis/proactis-timecard/)
- [Proactis User API (SCIM 2.0)](https://apis.io/apis/proactis/proactis-user/)

## Tags

E-Invoicing, UBL, Accounts Payable

---

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