# ACI BackOffice API

**Canonical:** https://apis.io/apis/aci-worldwide/backoffice/  
**Provider:** ACI Worldwide — https://apis.io/providers/aci-worldwide/  
**Base URL:** https://eu-prod.oppwa.com  
**Documentation:** https://docs.aciworldwide.com/integrations/backoffice

ACI BackOffice API is one of 5 APIs that [ACI Worldwide](https://apis.io/providers/aci-worldwide/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Payments, Refunds, and Transaction Management. The published artifact set on APIs.io includes API documentation and an API reference.

BackOffice operations on the Open Payment Platform let integrators process and manage previously authorized transactions — captures, refunds, reversals, and related post-authorization actions — via the same RESTful oppwa.com gateway and bearer-token/entityId authentication.

## Machine-readable artifacts (2)

- **Documentation** — https://docs.aciworldwide.com/integrations/backoffice
- **APIReference** — https://docs.aciworldwide.com/reference/parameters

## Other ACI Worldwide APIs (4)

- [ACI Open Payment Platform — Server-to-Server API](https://apis.io/apis/aci-worldwide/open-payment-platform-server-to-server/)
- [ACI COPYandPAY](https://apis.io/apis/aci-worldwide/copyandpay/)
- [ACI Pay By Link API](https://apis.io/apis/aci-worldwide/pay-by-link/)
- [ACI Mobile SDK](https://apis.io/apis/aci-worldwide/mobile-sdk/)

## Tags

Payments, Refunds, Transaction Management

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