{
"qualifying_income_gbp": 55000,
"mtd_mandatory": true,
"mandatory_from_date": "2026-04-06",
"threshold_applied_gbp": 50000,
"regime": "UK Making Tax Digital for Income Tax Self Assessment (MTD ITSA)",
"legal_basis": "HMRC guidance: Find out if and when you need to use Making Tax Digital for Income Tax (gov.uk)"
}
curl --location --request GET 'https://zylalabs.com/api/13636/uk+making+tax+digital+threshold+api/30516/mtd+threshold+status?annual_income_gbp=55000' --header 'Authorization: Bearer YOUR_API_KEY'
After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the UK Making Tax Digital Threshold API simply include your bearer token in the Authorization header.
| Header | Description |
|---|---|
Authorization
|
Required
Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.
|
No long-term commitment. Upgrade, downgrade, or cancel anytime. Free Trial includes up to 50 requests.
UK Making Tax Digital for Income Tax Self Assessment (MTD ITSA) mandation threshold and start date, by qualifying income. Independent product — not affiliated with HMRC.
The GET MTD threshold status endpoint returns information regarding the MTD ITSA mandation status, including qualifying income, whether MTD is mandatory, the start date for mandatory compliance, and the applicable threshold.
Key fields in the response include `qualifying_income_gbp`, `mtd_mandatory`, `mandatory_from_date`, `threshold_applied_gbp`, `regime`, and `legal_basis`, which provide essential details about MTD ITSA requirements.
The response data is structured in JSON format, with key-value pairs representing different aspects of the MTD ITSA status, making it easy to parse and utilize programmatically.
The primary parameter for this endpoint is the qualifying income, which users must provide to retrieve the corresponding MTD threshold status and start date.
This endpoint provides information on whether MTD is mandatory based on the qualifying income, the date it becomes mandatory, and the income threshold that applies.
Typical use cases include determining compliance requirements for self-assessment taxpayers, planning for tax obligations, and assessing the impact of MTD on financial reporting.
Data accuracy is maintained through regular updates based on HMRC guidance and regulations, ensuring that users receive current and reliable information regarding MTD ITSA requirements.
Users can utilize the returned data to assess their tax obligations, prepare for MTD compliance, and make informed financial decisions based on their qualifying income and MTD status.
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