# Concur Event Subscription Service API

**Canonical:** https://apis.io/apis/sap-concur/concur-event-subscription-service-api/  
**Provider:** SAP Concur — https://apis.io/providers/sap-concur/  
**Base URL:** https://www.concursolutions.com/api/v4.0  
**Documentation:** https://developer.concur.com/api-reference/ess/v4.event-subscription.html

Concur Event Subscription Service API is one of 32 APIs that [SAP Concur](https://apis.io/providers/sap-concur/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Event, Subscription, and Webhook. The published artifact set on APIs.io includes API documentation.

Implements the Publish/Subscribe pattern using principles of Event Driven Architecture, notifying clients and partners when specific business events occur such as expense report status changes and travel request updates.

## Machine-readable artifacts (1)

- **Documentation** — https://developer.concur.com/api-reference/ess/v4.event-subscription.html

## Other SAP Concur APIs (12)

- [Concur User Provisioning API](https://apis.io/apis/sap-concur/concur-user-provisioning-api/)
- [Concur Receipt API](https://apis.io/apis/sap-concur/concur-receipt-api/)
- [Concur Budget API](https://apis.io/apis/sap-concur/concur-budget-api/)
- [Concur Cards API](https://apis.io/apis/sap-concur/concur-cards-api/)
- [Concur Quick Expense API](https://apis.io/apis/sap-concur/concur-quick-expense-api/)
- [Concur Exchange Rate API](https://apis.io/apis/sap-concur/concur-exchange-rate-api/)
- [Concur Financial Integration API](https://apis.io/apis/sap-concur/concur-financial-integration-api/)
- [Concur Identity API](https://apis.io/apis/sap-concur/concur-identity-api/)
- [Concur Callouts API](https://apis.io/apis/sap-concur/concur-callouts-api/)
- [Concur Direct Connect Hotel Service API](https://apis.io/apis/sap-concur/concur-direct-connect-hotel-service-api/)
- [Concur Direct Connect Ground Transportation API](https://apis.io/apis/sap-concur/concur-direct-connect-ground-transportation-api/)
- [Concur Spend Documents API](https://apis.io/apis/sap-concur/concur-spend-documents-api/)

## Tags

Event, Subscription, Webhook

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