Create a new invoice with optional client creation
Use your API key (sk_live_xxx or sk_test_xxx)
Existing client CzUid (required if client_data not provided)
1Inline client creation (required if client_id not provided)
Invoice series CzUid
Invoice date (defaults to today)
Payment due date
Exchange rate to RON (required for foreign currency)
fiscal, proforma, receipt 1 to save as draft without invoice number
0, 1 Whether to submit to e-Factura (Romanian e-invoicing)
0, 1 e-Factura environment (test for SPV testing)
test, live 1 for reverse charge (taxare inversă)
0, 1 Automatically send invoice by email after creation
Override recipient email (uses client email if not specified)
Include delegate information
0, 1 Additional invoice information
Internal notes
Customer-visible notes