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KSeF FA(3) Invoice Lint

visualstudio.comStatic analysis & linters

No liveness check has reached it yet; it is registered on the VS Code Marketplace and has been in the index since 16 Sep 2026. How this is checked

KSeF FA(3) Invoice Lint is a VS Code extension that checks Polish structured invoice XML against the FA(3) schema. It flags namespace, kodSystemowy, NIP, decimal-separator, and correction-reference issues for developers preparing KSeF submissions.

Inferred · not functionally tested

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Overview

6 features

Purpose: Helps developers catch Polish KSeF FA(3) structured invoice XML errors before submitting invoices.

Inferred · not functionally tested

Audience: developers integrating Polish e-invoicing

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: unknown

Recorded constraints: pricing: free · license: Proprietary · platforms: WEB · deployment: browser, windows, macos, linux

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: unknown.

In the Static analysis & linters space, KSeF FA(3) Invoice Lint takes a focused approach. Inferred · not functionally tested: It helps developers catch Polish KSeF FA(3) structured invoice XML errors before submitting invoices. Inferred · not functionally tested: It is built as a B2B product for developers integrating Polish e-invoicing. Basis unknown · not verified: It is available for free. Basis unknown · not verified: It runs on the web, Windows, macOS, and Linux.

It is developed by ReadyStack, and it first shipped in 2026. Inferred · not functionally tested: Key capabilities include XML linting, FA(3) validation, and namespace checks.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • XML linting
  • FA(3) validation
  • Namespace checks
  • NIP validation
  • Decimal checks
  • Correction references

Topics: Inferred · not functionally tested

Tags
ksef-invoicingpolish-vatfa3-xmlinvoice-validation

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserWindowsmacOSLinux

Trust & compliance

Public signals
HTTPSFree tierStore listing found

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed16 Sep · 02:42 UTC
    KSeF FA(3) Invoice Lint seen via VS Code Marketplace
    Source: VS Code Marketplace · Open

Frequently asked questions about KSeF FA(3) Invoice Lint

What does KSeF FA(3) Invoice Lint do?
Inferred · not functionally tested: KSeF FA(3) Invoice Lint helps developers catch Polish KSeF FA(3) structured invoice XML errors before submitting invoices. It is catalogued under Static analysis & linters on PulseGate.
Who is KSeF FA(3) Invoice Lint for?
Inferred · not functionally tested: KSeF FA(3) Invoice Lint is a B2B product built for developers integrating Polish e-invoicing.
Is KSeF FA(3) Invoice Lint free?
Basis unknown · not verified: Yes — KSeF FA(3) Invoice Lint is free to use.
What platforms does KSeF FA(3) Invoice Lint run on?
Basis unknown · not verified: KSeF FA(3) Invoice Lint runs on the web, Windows, macOS, and Linux.
Is KSeF FA(3) Invoice Lint still maintained?
Unverified. KSeF FA(3) Invoice Lint has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
Who makes KSeF FA(3) Invoice Lint?
KSeF FA(3) Invoice Lint is developed by ReadyStack.
When did KSeF FA(3) Invoice Lint launch?
KSeF FA(3) Invoice Lint first shipped in 2026.

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