MQTT
60 Topics to Publish and Subscribe
Authentication with Username and Password
Protocols – MQTT, MQTTS. WS, WSS
Can be monitored by MQTTBox or MQTTLens

MongoDB
1GB Storage
Can be monitored by Robo 3T or MongoDB Compass
Data aggregation on customer’s request (one-time developer fee will be charged)
Support by e-mail, phone, or Ticket System