public Endpoint Post(long workspaceId) => Endpoint.Post(baseUrl, $"workspaces/{workspaceId}/time_entries");
public Endpoint Post(long workspaceId) => Endpoint.Post(baseUrl, $"workspaces/{workspaceId}/clients");
public Endpoint Post(long workspaceId, long projectId) => Endpoint.Post(baseUrl, $"workspaces/{workspaceId}/projects/{projectId}/tasks");