Full MQTT Broker Simulation — 34 Live Metrics Across 8 Categories, Zero Infrastructure Required
The TWAIN MQTT endpoint at https://twainmqtt.compliancetest.net delivers a
fully-operational MQTT broker simulation environment purpose-built for
TWAIN Innovation Cloud developers. Connect to a live virtual broker, stream real-time
telemetry across 34 metrics in 8 categories — broker health, message
throughput, QoS delivery performance, topic management, security posture, system resources,
and billing — all over standard MQTT protocol and HTTPS, with zero infrastructure setup required.
As a registered TIC participant you receive a personal API key enabling authenticated access to the simulation endpoint. The live Metrics Heatmap Dashboard visualises all 34 metrics as a heat-scored card grid with click-through modals explaining every metric's description, use case, expected range, and MQTT standard reference. Every metric is calibrated to real-world MQTT broker benchmarks — making this the fastest way to build, test, and demonstrate MQTT integrations without standing up your own broker infrastructure.
Whether you are building an IoT device management platform, a TWAIN scanner fleet monitoring solution, a real-time document workflow event bus, a QoS compliance monitoring tool, or a billing dashboard for metered MQTT services — this endpoint gives you live, structured broker data to work with from day one.
| GET | /mqtt/simulate | Returns all 34 live broker metrics across 8 sections as a structured JSON object — primary metrics endpoint |
| GET | /mqtt/status | Returns broker operational status, connected client count, and session health summary |
| PUB | mqtt/metrics | MQTT topic — subscribe to receive live broker metric updates pushed in real time at the configured publishing interval |
| PUB | mqtt/alerts | MQTT topic — subscribe to receive threshold breach alerts, anomaly notifications, and security events as they occur |
| GET | /health | Server health check returning uptime, version, region, and readiness status — verify connectivity before starting a session |
- ✓ Personal API key provisioned for your TIC account, enabling authenticated access to all TWAIN MQTT simulation endpoints and MQTT topic subscriptions.
- ✓ 34 live broker metrics across 8 sections — Broker, MQTT Throughput, Topics, QoS Delivery, Security, System Resources, Billing, and Exceptions — all from a live simulation server.
- ✓ Interactive Metrics Heatmap Dashboard with heat-scored cards, click-through modals showing every metric's description, use case, expected range, and MQTT specification reference.
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✓
Real-time MQTT topic subscriptions — subscribe to
mqtt/metricsandmqtt/alertsfor live push-based metric delivery without polling. - ✓ QoS delivery metrics covering QoS 0 (at-most-once), QoS 1 (at-least-once), and QoS 2 (exactly-once) delivery rates, retry rates, and duplicate counts — critical for TWAIN scanner job delivery reliability testing.
- ✓ Security posture metrics — auth failure counts, rejected connection rates, TLS status, and malformed packet detection with DIAG classification — covering requirements for industrial IoT security frameworks.
- ✓ Billing visibility with live tier, usage count, and estimated cost metrics — ready to integrate directly into a billing dashboard or cost allocation reporting tool.
- ✓ System resource metrics — CPU load, memory usage, disk I/O, and network throughput from the simulation broker server, enabling capacity planning and infrastructure sizing for production deployments.
- ✓ Developer support from the TIC technical team for MQTT integration questions, schema documentation, QoS configuration guidance, and custom metric requirements during your innovation project.
Request Your MQTT API Key
Complete this form and your API key will be provisioned within 2 business days.