Built for developers · free to start · 5-minute setup

Catch every error before your users do.

jentry is hosted error tracking & performance monitoring for modern teams. Full stack traces, smart grouping, releases, crons and replays — so you fix issues before they hit production users.

No credit card · works with Sentry SDKs · send your first event in minutes

IssuesLive
29,334 events today
ERRORTypeError: Cannot read properties of undefined
app/checkout/cart.ts
1.2k
WARNINGN+1 query: SELECT auth_user.id, auth_user…
/api/users/list
486
FATALOutOfMemoryError: used memory > 'maxmemory'
workers/import_orders.py
3.8k
ERRORCacheKeyNotFound
social_login/services/cache.py
557
Full
Stack traces & source maps
p50 · p95 · Apdex
Performance built in
Crash-free
Release health & adoption
5 min
Setup, zero ops

Features

Everything you need to debug production

A full monitoring stack, not just a crash log.

Error tracking & smart grouping

Capture exceptions with full stack traces, source-mapped frames, breadcrumbs and tags. Smart fingerprinting folds duplicates into one issue with a live event count.

Performance monitoring

Transactions with p50/p95, Apdex, failure rate and throughput. Rank routes by impact and drill into the exact functions behind the slow ones.

Releases & suspect commits

See which release introduced an issue, track crash-free rates and adoption, and surface the commit most likely to blame.

Alerts & notifications

Get notified the moment a new issue appears, an error spikes, or a metric crosses a threshold — straight to email, with per-issue spike protection.

Replays, crons & profiling

Reproduce user sessions, monitor scheduled jobs for misses and timeouts, and profile transactions down to line-level timing.

Dashboards & Discover

Build custom widget dashboards and query raw events across every project with a powerful search syntax — is:unresolved level:error environment:production.

Workflow

From alert to root cause in one place

Every issue carries the full context you need to fix it.

1

See what broke

A grouped issue with the exception, the most-relevant stack frame expanded, breadcrumbs and the tags that matter — browser, OS, runtime, release.

2

Know who it hit

Event and user counts, a 24-hour and 30-day trend, first/last seen, and the tag distribution so you can tell a blip from an outage.

3

Find the cause

The suspect commit, the release that introduced it, and a slow-transaction view that points at the exact function spending the time.

Why jentry

Set up in minutes, fully managed

jentry is hosted and run for you — no servers, no upgrades, no on-call for your monitoring. Drop in your DSN and start catching errors today.

  • Fully hosted — no servers to run, no upgrades, no on-call
  • Works with the Sentry SDKs you already use
  • Scales from your first event to millions
  • Generous free tier — no credit card to start
  • Your data encrypted in transit and at rest
  • Light & dark themes for long debugging sessions
your-app.py
import sentry_sdk

sentry_sdk.init(
  dsn="https://<your-key>@jentry.app/1",
  traces_sample_rate=1.0,
)

# that's it — errors, traces & releases
# now stream into jentry

Get started

Up and running in minutes

1

Create your account

Sign up free in seconds — no infrastructure, no credit card.

2

Add the SDK

Point your app at your jentry DSN — the same SDKs you already use.

3

Watch issues roll in

Errors, transactions and releases stream into a live dashboard.

FAQ

Frequently asked

Which SDKs does jentry work with?

jentry speaks the Sentry SDK protocol, so any Sentry SDK works out of the box — point its DSN at jentry and your errors, transactions and releases stream straight in.

How fast can I get started?

Create a free account, grab your DSN, drop it into your app, and you’ll see your first events in minutes. No infrastructure to set up.

Is my data secure?

Everything is encrypted in transit and at rest. We never sell or share your data, and you can delete a project and its events at any time.

Can I migrate from Sentry?

Yes — point your existing Sentry SDKs at jentry and import your projects, so you can switch over without changing your app code.

Start tracking errors today

Create a free account and send your first event in minutes.

jentry — error tracking & performance monitoring