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Software development for HMRC: detailed information

Guidance on APIs and how to find commercial software suppliers for different HMRC online services.

• From: HM Revenue & Customs
• Published: 5 February 2024

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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
• Automatic Exchange of Information schema and supporting documents
  • 24 May 2018
  • Guidance
• Charities repayment claims support for software developers
  • 1 January 2014
  • Collection
• Construction Industry Scheme Online: support for software developers
  • 1 January 2014
  • Collection
• Corporation Tax online: support for 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

Published 5 February 2024