Documentation
Everything you need, in one place.
From beginner guides to API reference. Search across the entire knowledge base or browse by category.
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By category.
Detailed guides, tutorials, and reference for every aspect of Fylix.
Getting started
New to Fylix? Set up your account, learn the current record-keeping tools, and prepare a return for review.
Tax filing
Complete guides for self-assessment, income reporting, and maximising deductions.
MTD preparation
Everything you need for Making Tax Digital — Income Tax and VAT.
API reference
Technical documentation for developers integrating with our REST API.
Integrations
Read about planned bank, accounting-software, and cloud-storage connections.
FAQs
Quick answers to the most common questions about pricing, security, and support.
Watch & learn
Video walkthroughs.
Prefer watching? Each runs 5 minutes or less.
Getting started with Fylix
Account setup, current record-keeping tools, and your first tax calculation.
Preparing your first return
Walkthrough of self-assessment data review and return preparation. Live HMRC filing is not yet available.
Open Banking roadmap
Overview of the planned Open Banking connection; live transaction import is not currently available.
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