Overview of the PSB API reference by domain, with links to the full interactive OpenAPI page.
The full interactive OpenAPI/Swagger page lives at /en/api-reference (outside the docs nav). Use it for all endpoints, models and test calls.
Below are short per-domain docs pages with OpenAPI tags, deep links to the full reference, and links to the scenario guides.
Full API reference: /en/api-reference
The API guides explain flows and business rules. The reference shows machine-readable contracts from swagger.json. Use both together.