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EMQX Serverless

A fully managed, serverless MQTT messaging service for IoT and real-time applications. · EMQX · Messaging

Overview

EMQX Serverless provides a managed MQTT broker with a generous free tier, ideal for IoT and real-time messaging projects without infrastructure overhead.

Good fit

Use when you need scalable, managed MQTT messaging for IoT or real-time apps without managing infrastructure.

  • IoT prototyping
  • Real-time app development
  • Startups testing MQTT

Not a fit

Avoid if you require protocols beyond MQTT, need on-premises deployment, or expect to exceed free tier limits frequently.

  • You need non-MQTT protocols
  • You require strict on-premises control
  • You expect high sustained traffic
Quickstart · 5 steps
  1. Sign up for an EMQX Cloud account.
  2. Navigate to the Serverless MQTT section.
  3. Create a new serverless deployment.
  4. Configure MQTT connection settings.
  5. Connect your devices or applications using the provided endpoint.

Other free messaging options

Brevo · Messaging
300 emails/day · Store up to 100,000 contacts · 2,000 unique contacts can enter active automations
Billing risk: None
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MailerLite · Messaging
250 subscribers · 2,500 emails/month · 2 user seats
Billing risk: None
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Mailjet · Messaging
200 emails/day · 6,000 emails/month · Basic analytics
Billing risk: None
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Postmark · Messaging
100 emails/month · No overages allowed
Billing risk: None
No card