CallbackController

Handles OAuth callbacks from Visma eAccounting integrations and restarts the background synchronisation service.

Endpoint	Description	Request	Response
GET /api/Callback?code=&scope=&state=	Persists the provided Visma authorisation code into the integration settings XML, clears cached tokens and restarts the Visma sync Windows service.	Query: code, scope, state provided by Visma.	HTTP 200 with a JSON message echoing the received values; HTTP 417 if processing fails.

ValuesController

Sample controller shipped with the project template and useful for connectivity tests.

Endpoint	Description	Request	Response
GET /api/values	Returns a static string array demonstrating a successful API call.	None.	["value1", "value2"].
GET /api/values/{id}	Echoes a placeholder string. Use to verify parameter binding.	Route: integer id.	"value".
POST /api/values	Accepts a string payload; stub implementation for testing POST connectivity.	Body: plain string.	HTTP 204 (no content).

NotificationController (inactive)

The repository contains a commented-out NotificationController intended for email/SMS notifications. When re-enabled it should expose POST api/Notification for sending notification payloads.