# HMRC Tax Filing

Published articles for HMRC Tax Filing.

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## How to Connect to HMRC's Making Tax Digital API: A Beginner's Guide

DevFeed: [How to Connect to HMRC's Making Tax Digital API: A Beginner's Guide](<https://devfeed.tech/articles/how-to-connect-to-hmrc-s-making-tax-digital-api-a-beginner-s-guide-4336.md>)

Original publisher: [Read original article](<https://www.freecodecamp.org/news/how-to-connect-to-hmrc-making-tax-digital-api/>)

Author: Solomon Amos

Published: 2026-09-11T22:10:33Z

Content type: tutorial

Language: en

Sources: [freeCodeCamp Programming Tutorials: Python, JavaScript, Git & More](<https://devfeed.tech/sources/freecodecamp-programming-tutorials-python-javascript-git-more.md>)

Topics: [API](<https://devfeed.tech/topics/api.md>), [Security, Privacy and Abuse Prevention](<https://devfeed.tech/topics/security-privacy-and-abuse-prevention.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [apis](<https://devfeed.tech/tags/apis.md>), [code](<https://devfeed.tech/tags/code.md>), [guide](<https://devfeed.tech/tags/guide.md>), [hmrc](<https://devfeed.tech/tags/hmrc.md>), [hmrc-tax-filing](<https://devfeed.tech/tags/hmrc-tax-filing.md>), [hmrc-tax-returns](<https://devfeed.tech/tags/hmrc-tax-returns.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [integration](<https://devfeed.tech/tags/integration.md>), [mtd](<https://devfeed.tech/tags/mtd.md>), [node](<https://devfeed.tech/tags/node.md>), [oauth](<https://devfeed.tech/tags/oauth.md>), [tax](<https://devfeed.tech/tags/tax.md>), [tax-return](<https://devfeed.tech/tags/tax-return.md>), [typescript](<https://devfeed.tech/tags/typescript.md>)

### AI overview

A beginner-friendly guide to connecting software to HMRC's Making Tax Digital API. It explains the MTD context, sandbox setup, OAuth 2.0 authentication, fraud prevention headers, and authenticated API calls using Node and TypeScript.

### Source excerpt

If you write software for anyone who pays UK tax, sooner or later you'll need to talk to HMRC. Making Tax Digital (MTD) for Income Tax went live on 6 April 2026, and it's already mandatory for self-em