API documentation

View documentation for our RESTful and XML APIs here on the Developer Hub.

Full list of API documentation

Service	API documentation	Documentation type
Example	Hello World	REST API
Agents	Agent Authorisation	REST API
	Agent Authorisation Test Support	Test Support API
	Agent Authorisation Online	XML API
Business Rates	Business Rates	REST API
Charities	Charities Online	XML API
Construction Industry Scheme	Construction Industry Scheme Online	XML API
Corporation Tax	Interest Restriction Return (IRR) service guide	Service Guide
	Interest Restriction Return (IRR)	REST API
	Corporation Tax Online	XML API
Customs	CTC Traders roadmap	Roadmap
	Safety and security import declarations service guide	Service Guide
	CTC Traders phase 4 service guide	Service Guide
	CTC Traders phase 4 testing guide	Service Guide
	CTC Traders phase 5 service guide	Service Guide
	CTC Traders phase 5 testing guide	Service Guide
	CTC Traders phase 5 technical interface specification	Service Guide
	Goods Vehicle Movements service guide	Service Guide
	Customs Declarations end-to-end service guide	Service Guide
	CTC Guarantee Balance phase 4 service guide	Service Guide
	CTC Guarantee Balance phase 4 testing guide	Service Guide
	CTC Guarantee Balance phase 5 service guide	Service Guide
	Import Control System 2 Presentation of Goods service guide	Service Guide
	Bulk Data File List	REST API
	CTC Guarantee Balance	REST API
	CTC Traders	REST API
	Check an EORI Number	REST API
	Common Transit Convention Traders Test Support	REST API
	Customs Inventory Linking Exports	REST API
	Goods Vehicle Movements	REST API
	Pull Notifications	REST API
	Safety and Security Import Declarations	REST API
	Safety and Security Import Notifications	REST API
	Safety and Security Import Outcomes	REST API
	Create Test User	Test Support API
	Alcohol and Tobacco Warehouse Declaration Online	XML API
	Excise Movement Control System	XML API
	Exchange rates from HMRC	XML API
	Import Control System	XML API
	National Export System	XML API
	New Computerised Transit System	XML API
	EC Sales List Online	XML API
Income Tax (Making Tax Digital)	MTD ITSA Vendors Roadmap	Roadmap
	Income Tax (MTD) end-to-end service guide	Service Guide
	Agent Authorisation	REST API
	Business Details (MTD)	REST API
	Business Income Source Summary (MTD)	REST API
	Business Source Adjustable Summary (MTD)	REST API
	CIS Deductions (MTD)	REST API
	Individual Calculations (MTD)	REST API
	Individual Losses (MTD)	REST API
	Individuals Business End of Period Statement (MTD)	REST API
	Individuals Charges (MTD)	REST API
	Individuals Disclosures (MTD)	REST API
	Individuals Expenses (MTD)	REST API
	Individuals Income Received (MTD)	REST API
	Individuals Reliefs (MTD)	REST API
	Individuals State Benefits (MTD)	REST API
	Obligations (MTD)	REST API
	Other Deductions (MTD)	REST API
	Property Business (MTD)	REST API
	Self Assessment Accounts (MTD)	REST API
	Self Assessment Assist (MTD)	REST API
	Self-Employment Business (MTD)	REST API
	Create Test User	Test Support API
	Test Fraud Prevention Headers	Test Support API
Lifetime ISA	Lifetime ISA	REST API
	Create Test User	Test Support API
National Insurance	National Insurance	REST API
	Create Test User	Test Support API
	National Insurance Test Support	Test Support API
PAYE	Marriage Allowance	REST API
	Create Test User	Test Support API
	Individual PAYE Test Support	Test Support API
	Marriage Allowance Test Support	Test Support API
	PAYE Online	XML API
	Real Time Information online	XML API
Pensions	Pension Schemes Online	XML API
Relief at Source	Relief At Source	REST API
Self Assessment	Self Assessment end-to-end service guide	Service Guide
	Individual Benefits	REST API
	Individual Employment	REST API
	Individual Income	REST API
	Individual Tax	REST API
	Marriage Allowance	REST API
	National Insurance	REST API
	Create Test User	Test Support API
	Individual PAYE Test Support	Test Support API
	Marriage Allowance Test Support	Test Support API
	National Insurance Test Support	Test Support API
	Self Assessment Online	XML API
Stamp Duty	Stamp Taxes Online	XML API
VAT (Making Tax Digital)	VAT (MTD) end-to-end service guide	Service Guide
	VAT (MTD)	REST API
	Create Test User	Test Support API
	Test Fraud Prevention Headers	Test Support API
VAT	Check a UK VAT number	REST API
Other	Push Pull Notifications	REST API
	Automatic Exchange of Information	XML API

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