For a complete API documentation is provided as Swagger online documentation included in the Nexus Push Service installation (update <my-nexus-push-server> in the link): http://<my-nexus-push-server>:20400/nps/swagger-ui.html
Base URL for NPS rest API: https://nps.nexusgroup.com/
Authentication to Nexus Push Service API
Authentication to the service is done using an API key passed as a http header.
The API key must have been configured in NPS. The id should be a friendly, unique name for the client and the key is a "password-like" string. E.g. "mlo580:rBEFIrwQ15z2u32B1jrV0D25m4RUGfNd"