Inferse
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your platform
Vendor dashboard

Sysmos

APIyesFREEyesDOCS4/5
SY7.2#14of 27
outWeboutLinux

Ranked in API Monitoring Tools·Free plan·paid from $29/mo

Visit site Alternatives

About

Sysmos combines distributed API health checks, Linux server observability, and a centralized monitoring dashboard. Its synthetic endpoint checks run across regions and report latency, status, SSL, and timing details for DNS, TCP, TLS handshake, server processing, and content transfer. Per-phase averages and maximums are available over 1-hour, 24-hour, and 7-day periods. A flow builder chains API steps with variable extraction and per-step assertions; flows can run on demand or on a schedule. For Linux, an eBPF agent for x86_64 and arm64 captures syscall, network, CPU, and memory data, and the maker states CPU overhead is under 2%. Alerts can go to Slack, Discord, PagerDuty, email, or HTTP endpoints through generic webhooks. Workspaces include admin, developer, and viewer roles, plus API keys for CI/CD and infrastructure-as-code. The Free plan is free; Team costs 29.00 USD per month and adds all 12 regions, 100 monitors, and a server agent.

Who it is for

Sysmos is designed for small teams, with its Free plan positioned for solo developers and personal projects. It suits teams that need API checks alongside Linux server monitoring and alert routing.

What is good

  • Checks report detailed timing by request phase
  • Flows support variable extraction and per-step assertions
  • Linux agent captures syscall, network, CPU, and memory data
  • Alerts include Slack, Discord, PagerDuty, email, and webhooks
  • Free plan includes 10 API monitors and five flows

What to know first

  • Free plan checks are limited to one region
  • Free plan has a 60-second minimum interval
  • Team plan costs 29.00 USD per month
  • SOC 2 is in progress

Verdict

Sysmos combines API checks, multi-step flows, and Linux telemetry with team access controls. The Free plan is oriented toward solo use, while the listed Team plan expands monitor capacity and region access.

Compared on API monitoring tools

Free plan
Yessysmos.org
Paid from
$29/mosysmos.org
Response assertions
Yessysmos.org
Multi-region checks
Yessysmos.org
Monitor limit
100 monitorssysmos.org
Incident workflows
Yessysmos.org

Facts

Product
Sysmos combines distributed API health checks, kernel-level server observability, and a centralized monitoring dashboard.sysmos.org · 7 Oct 2026
API monitoring
It runs synthetic endpoint checks across global regions and reports latency, status, SSL, and timing breakdowns.sysmos.org · 7 Oct 2026
Latency detail
Checks break timing into DNS, TCP, TLS handshake, server processing, and content transfer, with per-phase averages and maxima over 1-hour, 24-hour, and 7-day periods.sysmos.org · 7 Oct 2026
API flows
The flow builder chains API steps with variable extraction and per-step assertions, and flows can run on demand or on a schedule.sysmos.org · 7 Oct 2026
Server agent
Sysmos offers an eBPF Linux agent for x86_64 and arm64 that captures syscall, network, CPU, and memory data; the maker states CPU overhead is under 2%.sysmos.org · 7 Oct 2026
Alert integrations
Built-in alert channels include Slack, Discord, PagerDuty, and email, with generic webhooks for HTTP endpoints.sysmos.org · 7 Oct 2026
Integration details
The integrations page says Slack uses OAuth and supports multiple workspaces, PagerDuty uses Events API v2, and webhooks support Mustache templating and retries.sysmos.org · 7 Oct 2026
Team access
Workspaces support admin, developer, and viewer roles, and API keys for CI/CD and infrastructure-as-code.sysmos.org · 7 Oct 2026
Security and residency
The homepage states that SOC 2 is in progress and that EU and US data residency are available.sysmos.org · 7 Oct 2026
Setup
The maker says users can add an API endpoint, install the Linux agent with one curl command, and route alerts, with setup taking under five minutes.sysmos.org · 7 Oct 2026
Intended users
Sysmos describes itself as designed for small teams and presents the Free plan for solo developers and personal projects.sysmos.org · 7 Oct 2026

Best Sysmos alternatives

See all 20
Loadster Synthetic Monitoring01 $77/mo7.4HostTracker02 $4.08/mo7.3ObserveOne API Monitoring03 $6/mo7.3Sentinel04 $14/mo7.3Signalog05 $19/mo7.3Site24x7 API Monitoring06 $109/mo7.3

Where it ranks on Inferse

Sources