Collection SOFTWARE DEVELOPMENT FOR HMRC: DETAILED INFORMATION Guidance on APIs and how to find commercial software suppliers for different HMRC online services. Get emails about this topic

CONTENTS * Support for RESTful APIs * Support for XML APIs and other resources * HMRC recognition scheme SUPPORT FOR RESTFUL APIS * Software development: APIs available on the HMRC Developer

Hub * 3 May 2018 * Guidance SUPPORT FOR XML APIS AND OTHER RESOURCES * Basic guide for XML software developers * 27 November 2013 * Guidance * Register as a Software Developer * 5 July 2022

* Collection * Agent Authorisation Online support for software developers * 1 January 2013 * Collection * Support for Alcohol and Tobacco Warehouse Declaration software developers * 1

January 2014 * Collection * Excise Movement and Control System support for software developers * 1 January 2014 * Collection * Import Control System Northern Ireland: technical

specifications for software developers * 17 January 2022 * Guidance * PAYE Online support for software developers * 30 September 2024 * Collection * Technical specifications for the Pension

Schemes Online service * 1 January 2014 * Collection * Real Time Information support for software developers * 6 April 2025 * Collection * Self Assessment online service for software

developers * 20 January 2015 * Collection * Stamp Taxes Online - support for software developers * 1 January 2014 * Collection * EC Sales List Online: support for software developers * 1

January 2014 * Collection * Transaction Engine support for software developers * 1 January 2014 * Collection * Support for software developers on the HMRC IRmark * 1 June 2004 * Collection *

HMRC service availability and issues * 30 December 2024 * Collection HMRC RECOGNITION SCHEME * Find commercial software developers * 18 March 2014 * Collection * Commercial software

suppliers of record keeping applications * 7 November 2022 * Guidance UPDATES TO THIS PAGE Published 5 February 2024 Contents