Stop guessing. Start observing.

Real-time telemetry and log streaming from every device in your fleet — including the constrained ones. Memory, CPU, reboot tracking, structured logs, and fleet-wide analytics.

When something goes wrong in the field, you're flying blind

Embedded devices don't get the luxury of kubectl describe pod. When something goes wrong, you're guessing from customer reports, shipping replacement units, or begging someone on-site to plug in a UART cable.

Koios gives you the observability stack your embedded devices have been missing. Real-time and historical telemetry from every device — even those running on a few kilobytes of RAM.

Metrics dashboard showing device telemetry graphsDevice Telemetry

See What Your RTOS Sees

Memory, CPU, reboots, and custom metrics from every device in your fleet.

Track free heap, high-water marks, heap fragmentation, and stack usage per task. Monitor CPU utilization, peripheral bus errors, watchdog resets, and brownout events. Classify reboot reasons and track frequency over time. Define custom application-specific metrics — sensor readings, protocol error rates, connection retry counts.

  • Memory & heap telemetry
  • CPU & peripheral monitoring
  • Reboot classification & tracking
  • Custom application metrics
  • Fleet-wide aggregation
  • Threshold & anomaly alerting
Wireless signal with log lines representing device log streamingLog Streaming

Structured Logs from Constrained Devices

Tail logs in real time. Search across your entire fleet. Query on any field.

Stream structured logs from devices with kilobytes of RAM. Full-text search across all device logs — find the needle in the haystack across thousands of devices. Every log entry is automatically tagged with device ID, firmware version, device group, and timestamp. Cross-reference log spikes with firmware deployments, certificate rotations, or configuration changes.

  • Real-time log streaming
  • Full-text search
  • Structured key-value logging
  • Deployment correlation
  • Automatic context tagging
  • Configurable retention policies
MCU chip representing lightweight embedded agentLightweight Agent

Designed for Microcontrollers, Not Linux Servers

Runs in kilobytes, not megabytes. Because every byte matters on constrained devices.

The Koios telemetry and logging agent is built for constrained devices. Minimal RAM footprint. Configurable reporting intervals. Batched uploads over the same mTLS channel your device already uses — no additional attack surface, no extra connection overhead. On a device with 64KB of RAM, every byte of your monitoring agent is a byte your application can't use.

  • Minimal RAM footprint
  • Configurable reporting intervals
  • Batched mTLS uploads
  • No additional attack surface
Monitoring terminal with heartbeat line and checkmarkCorrelation

Did Memory Usage Spike After v2.3.1?

Correlate metric changes with firmware deployments. See cause and effect across your fleet.

Koios automatically associates telemetry and log data with device identity, firmware version, and device group. Cross-reference log spikes with certificate rotations. Spot trends before they become incidents. Identify a memory leak affecting 3% of your fleet before a single customer reports an issue.

  • Firmware version correlation
  • Device group analytics
  • Trend detection
  • Proactive incident prevention

Capabilities

Everything you need to understand what your devices are doing in the field.

Metrics dashboard showing device telemetry graphs Memory Telemetry
Track free heap, high-water marks, and heap fragmentation. Catch memory leaks before they cause field failures.
Industrial sensor for device resource monitoring Resource Monitoring
CPU utilization, peripheral errors, watchdog resets, brownout events. See what your RTOS sees.
Monitoring terminal with heartbeat line and checkmark Reboot Tracking
Classify and track reboot reasons across your fleet. Identify devices that are crash-looping.
Wireless signal with log lines representing device log streaming Real-Time Log Streaming
Stream structured logs from devices with kilobytes of RAM. Full-text search across your entire fleet.
Audit logs clipboard with magnifying glass for log search Full-Text Search
Search across all device logs with structured field queries, log-level filtering, and time-range browsing.
Wrench representing remote device diagnostics Remote Diagnostics
Trigger diagnostic routines on individual devices without physical access. Memory dumps, self-tests, config reports.

Security isn't a feature. It's the architecture.

Built on infrastructure you already trust. Every byte encrypted at rest and in transit. Keys stored in dedicated HSMs. We don't sell your data. Full stop.

AES-256 encryption icon

AES-256 at Rest

All data encrypted in storage

mTLS certificate chain icon

mTLS in Transit

Mutual authentication on every connection

HSM key storage icon

HSM Key Storage

Keys never exist in plaintext

SOC 2 audit icon

SOC 2 In Progress

Type II audit underway

See what your devices see.

Create a free account and start streaming telemetry from your fleet. No credit card required.