list_checks
Return the catalog of all available tools with PPE pricing bands.
Free introspection — no charge.
set_test_mode
Toggle Számlázz.hu test/live mode for this session.
In test mode, issue_invoice uses the TESZT prefix — invoices are created
in the test environment, not the live account. All other tools are
mode-agnostic (they query the same real data regardless).
Free — no charge.
list_my_invoices
Query invoices issued via your Számlázz.hu account.
Charges $0.005 (light-read) on success.
get_invoice_pdf
Retrieve an invoice PDF by invoice number.
Returns the PDF as a base64-encoded string. Charges $0.005 (light-read).
project_annual_revenue
Sum YTD invoiced revenue and project against the 20M HUF VAT ceiling.
Fetches all invoices for the current calendar year, sums net HUF amounts,
and flags if >=90% of the alanyi adómentesség ceiling is reached.
Charges $0.02 (heavy-call) on success.
quarterly_eloleg_due
Return the next quarterly NAV előleg payment due date.
Dates: 15 January, 15 April, 15 July, 15 October.
Pure date math — no API call required.
Charges $0.005 (light-read).