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Self Assessment (MTD) (this API is monolithic and is in the process of being broken down to more granular APIs)

Endpoint URL:

Documentation URL:

Contact:

  • SDSTeam@hmrc.gov.uk

Description:

Only taxpayers subscribed to Making Tax Digital for Business for tax years 2017/18 onwards can use the API. As part of the subscription process, the user supplies HMRC with the following information: the name of their business their accounting period whether they use cash or accruals accounting