OpenAPI tags SalesInvoice and PurchaseInvoice, with a link to the full PSB API reference.
Endpoints for sales and purchase invoices: send, receive, status, response and PDF recognition.
Full API reference: /en/api-reference
Deep links open the tag section on the full Swagger page when the frontend supports tag anchors. If not, open /en/api-reference and filter by tag name.
For flows and business rules: Invoices API guide.