Business Income Source Summary (MTD)

Endpoint URL:

• https://api.service.hmrc.gov.uk

Documentation URL:

• https://developer.service.hmrc.gov.uk/api-documentation/docs/api/service/self-assessment-biss-api/1.0

Contact:

• SDSTeam@hmrc.gov.uk

Description:

Sandbox Endpoint: https://test-api.service.hmrc.gov.uk

The Self Assessment BISS (Business Income Source Summary) API allows a developer to retrieve a summary of income and expenditure for a specified self-employment, or UK property business for a given tax year.