01
Real-time traces
See every request as it moves through your stack. Zero sampling, zero blind spots.
api.checkout12ms
db.users8ms
stripe.intent42ms
$ npm install loopline ↗
Debug production.
Debug production.
At the speed of thought.
AI-native observability that turns production noise into answers. Trace every request, find the root cause, and ship the fix before users notice.
AKJMSRSet up in under 5 minutes
No credit card required
No credit card required
❯ loopline trace --live
INFO
GET /api/checkout 200 42ms
INFO
db.query users.findUnique 12ms
WARN
stripe.payment_intent 842ms
ERROR
PaymentIntent failed 402
✦ AI ROOT CAUSE98% confidence
Stripe API key expired in payment.ts:47
checkout→payment→stripe
View suggested fix →
↗ 2.4ms latency
✓ Issue resolved
Trusted by engineers at
▲ Vercel▰ stripe◩ Linear♢ supabase☁ Cloudflare
01 OBSERVABILITY, REIMAGINED
Stop guessing.
Start tracing.
One source of truth for every event, error, and edge case in production. Loopline connects the dots so you don't have to.
View live demo →02
AI root-cause
Go from alert to answer in seconds. AI reads the full trace and explains what broke.
✦ ANALYSIS COMPLETE
Cause: connection pool exhausted
+ max_connections: 2003
SOC2 compliant
Enterprise-grade security from day one. Your data stays encrypted and private.
✓
SOC 2 TYPE IIDATA ENCRYPTEDEU DATA RESIDENCY
04
One-line SDK
Instrument your entire app with a single line. Works with the stack you already use.
1
import { loopline } from 'loopline'2
3
loopline.init()02 HOW IT WORKS
From error to answer.
In one trace.
Five steps. Milliseconds apart.
- 01
Install SDK
One command. Any stack.
- 02
Capture events
Every request, in context.
- 03
AI analyzes
Patterns become answers.
- 04
Get insights
Root cause, explained.
- 05
Ship fixes
Resolve with confidence.
03 INTEGRATIONS
Built for your stack.
All of it.
Drop Loopline into the tools you already use. No migrations, no rewrites.
Explore integrations →JSNode.js
PyPython
GoGo
RRust
NNext.js
DjDjango
⚡FastAPI
◆Ruby
JJava
ExElixir
DDeno
BBun
READY?
Your next bug
doesn't stand a chance.
Start tracing production in minutes. Free for teams getting started.