szamlazz-invoicing

Issue, cancel, and fetch Hungarian invoices via the szamlazz.hu Agent API.

Updated Jun 3, 2026
One-click install
npx skills add https://github.com/vZulin/overlay-clock-timer --skill szamlazz-invoicing
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: szamlazz-invoicing
Source: https://github.com/vZulin/overlay-clock-timer/tree/main/.codex/skills/macos-design/szamlazz-invoicing
Command: npx skills add https://github.com/vZulin/overlay-clock-timer --skill szamlazz-invoicing

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Issue Hungarian invoices, cancellations, and PDF retrieval via the szamlazz.hu Agent API.

Core Features & Use Cases

  • Issue standard invoices via the szamlazz.hu Agent API, support for proforma (díjbekérő) and storno cancellations, and PDF retrieval.
  • NAV lookup and partner caching ensure accurate customer data and faster repeat billing.
  • PDF generation and download for document delivery and auditing.

Quick Start

Issue a Hungarian invoice for a customer using the szamlazz.hu Agent API and download the resulting PDF.

Frequently Asked Questions about szamlazz-invoicing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate Hungarian invoice generation through the szamlazz.hu API?

To automate Hungarian invoice generation through the szamlazz.hu API, you can issue standard invoices, proforma invoices (díjbekérő), and cancellations using this Skill. It handles API key authentication, Decimal-precision VAT calculations, and PDF generation automatically.

Can I retrieve and download invoice PDFs from szamlazz.hu?

Yes, you can retrieve and download invoice PDFs from szamlazz.hu. The Skill automates PDF generation and retrieval for document delivery and auditing, ensuring reliable PDF outputs for standard invoices, proformas, and cancellations.

What is NAV lookup and partner caching for Hungarian invoicing?

NAV lookup and partner caching validate customer data against Hungarian tax authorities and store it locally. This ensures accurate partner information for NAV compliance and enables faster repeat billing by retrieving cached customer details during invoice creation.

Do I need an API key to issue invoices via the szamlazz.hu Agent API?

Yes, you need an API key to issue invoices via the szamlazz.hu Agent API. This Skill requires API key handling to authenticate your requests and securely manage interactions for issuing, canceling, and fetching Hungarian invoices.

How do I cancel a Hungarian invoice and generate a storno document?

To cancel a Hungarian invoice and generate a storno document, the Skill submits cancellation requests through the szamlazz.hu Agent API. This effectively reverses the original invoice and automatically retrieves the resulting cancellation PDF for your records.