Open source · Hosted cloud at telemetry-tracker.com

Observability for
teams that ship.

Capture errors, events and sessions with lightweight SDKs. Alert on spikes, symbolicated stacks with source maps — one fast platform for the signals you actually act on.

Designed for teams building modern web applications.

Telemetry Tracker overview with errors, events, sessions, performance metrics, and recent releases

Supported SDKs

Works with your stack

First-class SDKs for modern JavaScript applications.

Platform

One platform for the signals you act on.

Errors, events, sessions, alerts and source maps in one store — query them together, not across three tools.

  • Error tracking

    Group and triage exceptions with stack traces, release tags, and symbolicated frames when source maps are uploaded.

  • Event tracking

    Typed events with custom properties. Query by user, route, app or anything you instrument.

  • Session monitoring

    Follow anonymous and identified sessions from first touch through logout.

  • Alerting

    Error spike and quota threshold rules with in-app notifications and email to owners and editors.

  • Source maps

    Upload JSON maps per app and release for readable stack traces on error detail — no more minified noise.

  • Multi-project

    Web, mobile, server — keep environments isolated with their own keys and quotas.

  • Organizations & roles

    Invite teammates, scope access per project with owner, editor and viewer roles.

SDKs

Drop-in for the stack you already use.

Lightweight clients for Next.js, Node, NestJS, Nuxt, Vue, React Native, and the web — one ingest API, consistent payloads.

Install

pnpm add @telemetry-tracker/next

Highlights

  • Events, errors & sessions
  • Batch ingest support
  • Anonymous + user ids
  • Self-hosted endpoint
View Next.js docs →
next.example.ts
// app/layout.tsx
import { TelemetryProvider } from "@telemetry-tracker/next";

export default function RootLayout({ children }: { children: React.ReactNode }) {
  return (
    <TelemetryProvider
      config={{
        ingestUrl: process.env.NEXT_PUBLIC_TELEMETRY_INGEST_URL ?? "",
        app: process.env.NEXT_PUBLIC_TELEMETRY_APP ?? "my-next-app",
        apiKey: process.env.NEXT_PUBLIC_TELEMETRY_API_KEY,
      }}
    >
      {children}
    </TelemetryProvider>
  );
}

Product

Built to be fast under your fingers.

Filter by app and date range, triage grouped errors from KPIs and trends, then drill into stack traces — without wading through clutter.

Telemetry Tracker errors page with KPIs, trends chart, top error types, and grouped error table
Esc

Keyboard-friendly

Navigate lists, filters and detail views without leaving the keyboard.

Real-time ingestion

New events land in your store immediately — refresh the dashboard to see them.

?app=web

Filter by URL

Share filtered views with your team using app, date range and search params.

Pricing

Honest pricing that scales with your traffic.

All prices in EUR. Ingest stops at your plan cap — never a surprise bill.

Free

€0forever

For solo developers and side projects.

Start free
  • 250K ingest units / month
  • 14-day retention
  • 1 project · 2 API keys
  • Community support
Most popular

Pro

29 €per org / month

For shipping teams that need reliable signal.

Start free, upgrade later
  • 5M ingest units / month
  • 90-day retention
  • Up to 10 projects
  • Stripe billing (EUR)
  • Priority email support

Business

99 €per org / month

For organizations with higher volume and longer retention.

Start free, upgrade later
  • 50M ingest units / month
  • 365-day retention
  • Up to 50 projects
  • Stripe billing (EUR)
  • Dedicated support

Custom

Let's talkannual or bespoke

Enterprise volume, compliance, or on-prem requirements.

Contact us
  • Custom ingest & retention
  • Multiple organizations
  • Custom SLA options
  • Security review support
  • Dedicated onboarding

Ship with confidence.

Bring the signals you need into one tool your team will actually open.

Telemetry Tracker — Observability for teams that ship