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When publishing your developer contributions data, follow this guidance on how to format, label and publish the data.
Information and resources for developers about broadband infrastructure and connectivity requirements for new homes.
Find software developers that can help with entry summary declarations including safety and security declarations for imports.
Support and technical specifications for software developers working with the Charities Online service in making repayment claims.
Guidance on APIs and how to find commercial software suppliers for different HMRC online services.
How to register as a software developer with HMRC.
Find Document Submission Protocol guidance for architects, software developers and other parties interested in building Transaction Engine client applications.
A collection of guides to support the development of combined heat and power (CHP) installations.
Technical specifications for software developers working with the EC Sales List online service.
Find technical specifications and schemas for National Export System (NES) XML channel software developers.
What you need to do as a developer to meet biodiversity net gain (BNG) requirements.
Reduce development overhead and time to deployment by standardising how teams design, launch and manage APIs in your organisation.
How developers can get their health app assessed and endorsed.
List of companies who advised the New Computerised Transit System project team of their intention to develop commercial software solutions for NCTS.
Use of planning obligations and process for changing obligations.
How developers can get advice on Nationally Significant Infrastructure Projects (NSIPs) and applications for planning, permission in principle and technical details consent.
Technical specifications for software developers working with the Agent Authorisation Online service.
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