---
category: [Administration & Integrations, Administration & Integrations/Workday API, Platform and Product Extensions, Platform and Product Extensions/Integration, Administration & Integrations/Product-Specific Integrations, Payroll, Payroll/Cloud Connect for Third Party Payroll, Payroll/Global Payroll Connect]
nav: wcp_docs
parent_url: /wcp_docs/
title: Global Payroll REST APIs
layout: subsection
---

## <a id="section_umd_41s_qpb"></a>Authorizations

You can use the `authorizations` REST API to enable third-party payroll vendors to validate JWTs (JSON Web Token) and authorize requests based on their claims. This API supports features such as Additional Payroll Data and Global Payroll Hub, enhancing security, usability, and scalability while helping meet security and compliance standards.

For reference documentation about the Authorizations REST API, see the `globalPayroll` service in the [REST API Explorer on the Developer Site](https://developer.workday.com/rest-api-explorer) or [Workday REST Services Directory](https://community.workday.com/sites/default/files/file-hosting/restapi/index.html).

## <a id="section_1"></a>Effective Changes

You can use the `effectiveChanges` REST API to make flexible requests for external pay groups from Workday to your third-party payroll systems. It is a full-stack REST API that provides field level change detection and returns the current snapshot for each worker in a JSON format. When you run the REST API, Workday dynamically launches an integration event that uses the Data Changes On Demand integration template.

For more information, see:

-   [Global Payroll Effective Changes REST API](/wcp_docs/GUID-fa4b5d46-47d0-4df5-8904-5576031d51f5.html)


## <a id="section_2"></a>Event Driven Integration Vendor Response

You can use the `eventDrivenIntegrationVendorResponse` REST API to enable your third-party payroll vendor to send Workday a request with the status of hires and terminations in response to a <i>Payroll Effective Change Interface</i> integration EDI (Event Driven Integration) event.

## <a id="section_3"></a>Notifications

You can use the `inboundNotifications` REST API to notify specific workers or role groups in Workday with custom messages that include links that users can copy, such as errors that they need to fix in the third-party payroll system.

For more information, see:

-   [Notifications REST API](/wcp_docs/GUID-d330df00-8c67-44fa-ad62-803b70a29cb9-enHYPHENus.html)


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## <a id="section_4"></a>Pay Groups

You can use the `payGroups` REST API to retrieve information pertaining to a particular external pay group, such as country, periods, ref ids, and so on.

For reference documentation about the Pay Groups REST API, see the `globalPayroll` service in the [REST API Explorer on the Developer Site](https://developer.workday.com/rest-api-explorer) or [Workday REST Services Directory](https://community.workday.com/sites/default/files/file-hosting/restapi/index.html).

### Related Information

[Steps: Set Up API Client for Event-Driven Integration Payroll Vendor Response](/wcp_docs/uag1611881707524.html)

[Reference: Data Changes on Demand Request Criteria Parameters](/wcp_docs/GUID-2e003f14-4895-4077-8dca-e1889e9cc1f9.html)

[Reference: Inbound Notifications Request Samples](/wcp_docs/GUID-eee8dbaf-13f2-4bb7-bf25-12d805307841.html)