Access Micropay

If you are running a 3rd party application utilising the Web API Interface, you must also upgrade the MicrOpay Client Service to match the hosted version.<br>​<br>Please refer to the attachments below for instructions on upgrading the Service and the current software installer.

The Access Group updated Access MicrOpay WebAPI to v3.9.0.0 on Wednesday, 12 August 2026. Desktop customers using MicrOpay Client Service (MCS) with WebAPI must download the latest MCS v3.9.0.0 to avoid any connection issues. Please click <a href="https://www.theaccessgroup.com/en-au/support/micropay/" rel="nofollow noopener noreferrer" target="_blank">HERE</a> to download the latest MCS version.

The Access Group wishes to advise a new version of MicrOpay Client Service (MCS) is now available for download. Please refer to the link below. 

<a href="https://www.theaccessgroup.com/en-au/support/micropay/" rel="nofollow noopener noreferrer" target="_blank">Click here to download MicrOpay Client Services version 3.9.0.0</a>.

See <a href="https://help-micropay.theaccessgroup.com/en/articles/12544446-install-or-configure-micropay-client-service">Install or Configure MicrOpay Client Service</a> for more information.

You may disregard this information if you do not use MicrOpay Client Service (MCS) for our ESS product or a 3rd party integration. <br>​<br>Payroll Online and Outsourcing customers do not need to download the MCS, as we update your software to the correct version for your environment.

A new endpoint, GET api/AuditLogs, to retrieve change details for latest changes to MicrOpay employee fields. It includes changes to:

- EmployeeDetails
- EmployeeBanks
- EmployeeLeaves
- EmployeeSuperConts
- EmployeeEmails
- EmployeeAddsDeds
- EmployeeAddRates

Third party applications can now use Webhooks to retrieve MicrOpay employee changes.

 GET api/SuperFund now also retrieves FundBSB and FundAccountNumber.

 Gender character limit for POST api/ChangeEmployeeImmediate is increased to 20 characters.

When ApplyUserDefinedStructure is omitted or set to False in the GET api/EmployeeBasic or GET api/EmployeeDetails endpoints, employee user defined fields now revert to the original display order.

- A new endpoint, GET api/AuditLogs, to retrieve change details for latest changes to MicrOpay employee fields. It includes changes to:
  - EmployeeDetails
  - EmployeeBanks
  - EmployeeLeaves
  - EmployeeSuperConts
  - EmployeeEmails
  - EmployeeAddsDeds
  - EmployeeAddRates
- Third party applications can now use Webhooks to retrieve MicrOpay employee changes.
-  GET api/SuperFund now also retrieves FundBSB and FundAccountNumber.
-  Gender character limit for POST api/ChangeEmployeeImmediate is increased to 20 characters.
- When ApplyUserDefinedStructure is omitted or set to False in the GET api/EmployeeBasic or GET api/EmployeeDetails endpoints, employee user defined fields now revert to the original display order.

For more details on what's included, see <a href="https://api.cloud.micropay.com.au/ChangeLog" rel="nofollow noopener noreferrer" target="_blank">API change log</a>.

Download the current MCS so that employee data is sent to and received by third-party integrated systems

Current WebAPI - MicrOpay Client Service Version

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