---
title: "Szamlazz.hu API: can your AI chat use it? · Hypamoon"
description: "What we could and could not confirm about the Szamlazz.hu API: public docs, a key you create yourself and a stable version. With sources."
url: https://hypamoon.com/connect-to/szamlazz-hu
---

1.  [Connect to](https://hypamoon.com/connect-to)
2.  Szamlazz.hu

Payments and billing

# Connect Szamlazz.hu to Hypamoon

We could not confirm it. Szamlazz.hu passes some of our checks, but not all three could be confirmed from its own docs.

Unknown

## The check

Three questions about the API of Szamlazz.hu, answered from its own docs.

**Public API docs**\
**Yes.** Számla Agent is documented publicly, XML based. [Read the docs](https://docs.szamlazz.hu/agent/)

**A key you create yourself**\
**Yes.** The account owner or an administrator generates an Agent key at the bottom of the dashboard. [docs.szamlazz.hu](https://docs.szamlazz.hu/agent/basics/authentication)

**Versions or a changelog**\
**Not confirmed.** No versioning or changelog found.

**How it signs in**\
A Számla Agent key, generated by the account owner or an administrator, sent in the XML request.

**Webhooks**\
**Not confirmed.**

**Hosting**\
Cloud

## What you can build

Issue and reverse invoices and receipts from your own order flow, and fetch the PDF for the customer.

Your chat writes it as a Hypamoon adapter from the docs above. Reading starts after you click Allow in the portal, and every write waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters)

### Good to know

-   Your adapter uses a fixed key: you paste it once in the Hypamoon portal, never in the chat, and it only goes to the API host you allow.
-   Számla Agent covers invoices, receipts, credit entries and taxpayer lookups, in XML. Pricing of the service is on a separate page.

## Try it in your chat

First get access from Szamlazz.hu. Then fill in what to read and write, and send it.

Say this in your chat

> Build the Hypamoon recipe build-an-adapter for Szamlazz.hu. API docs: https://docs.szamlazz.hu/agent/. Read: \[what\]. Write: \[what, or nothing\].

[Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Szamlazz.hu.%20API%20docs%3A%20https%3A%2F%2Fdocs.szamlazz.hu%2Fagent%2F.%20Read%3A%20%5Bwhat%5D.%20Write%3A%20%5Bwhat%2C%20or%20nothing%5D.)

In Claude, or another chat with the full Hypamoon connection; adapters are not in ChatGPT yet. You paste the key in the portal, never in the chat. [The full recipe](https://hypamoon.com/r/build-an-adapter)

## Sources

Checked on 7 November 2026.

-   [docs.szamlazz.hu/agent/](https://docs.szamlazz.hu/agent/)
-   [docs.szamlazz.hu/agent/basics/authentication](https://docs.szamlazz.hu/agent/basics/authentication)

Szamlazz.hu is a name of its owner, used here only to describe the software. This page is not an official integration and Hypamoon has no partnership with Szamlazz.hu. Found something that changed? Tell us at [support](https://hypamoon.com/support#contact).

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[All 1094 tools](https://hypamoon.com/connect-to)

## Tool not listed? Ask the chat to check its API.

The same three checks work for any software. Your chat reads the vendor's own docs and tells you what it found.

Say this in your chat

> Check if \[software\] has an open API that a Hypamoon adapter can use: public API docs, a key or token I can create myself without asking the vendor, and versions or a changelog. Link the pages you used.

[Open in Claude](https://claude.ai/new?q=Check%20if%20%5Bsoftware%5D%20has%20an%20open%20API%20that%20a%20Hypamoon%20adapter%20can%20use%3A%20public%20API%20docs%2C%20a%20key%20or%20token%20I%20can%20create%20myself%20without%20asking%20the%20vendor%2C%20and%20versions%20or%20a%20changelog.%20Link%20the%20pages%20you%20used.) [Open in ChatGPT](https://chatgpt.com/?q=Check%20if%20%5Bsoftware%5D%20has%20an%20open%20API%20that%20a%20Hypamoon%20adapter%20can%20use%3A%20public%20API%20docs%2C%20a%20key%20or%20token%20I%20can%20create%20myself%20without%20asking%20the%20vendor%2C%20and%20versions%20or%20a%20changelog.%20Link%20the%20pages%20you%20used.)

Fill in the name of your software. Checking needs no connection to Hypamoon.

## Ready to connect Szamlazz.hu?

Connect your chat once, then ask it to build the adapter.

[Start free](https://app.hypamoon.com/?mode=signup&utm_source=connect-to&utm_campaign=szamlazz-hu)

Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~szamlazz-hu#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~szamlazz-hu#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)