Uptime monitoring for modern applications.

The developer-first monitoring platform. Receive instant alerts via Slack, Discord, and Email when your APIs go down.

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Trusted by innovative teams

Acme IncTupleVercelLinearRaycast

Everything you need to stay online.

Comprehensive monitoring tools designed for scale.

Global Edge Monitoring

Check your endpoints from 15+ regions worldwide to ensure low latency and availability for every user.

US-EASTEU-WESTASIA-PAC

Instant Alerts

Get notified in < 1s via Webhooks.

Status Pages

Beautiful public status pages for your customers.

Test instantly. Monitor always.

From a quick one-shot check to a 24/7 scheduled heartbeat — every tool in one place.

Quick Check

Fire an authenticated HTTP request to any URL — with custom headers, body, and timeout. See the full response in under a second. No endpoint saved, no config needed.

https://api.example.com/health
Run

Scheduled Monitoring

Set check intervals from 1 min to 24 h. Get email alerts the moment an endpoint goes DOWN.

Team Organizations

ADMIN · EDITOR · VIEWER roles. Manage endpoints and alerts across your entire team.

POST / PUT / DELETE

Full payload support — custom request body, headers, and query params on any monitored endpoint.

Import your Postman collection.
Ship in minutes.

Upload a Postman v2.x JSON. Preview every endpoint, edit inline, deselect rows you don't need — then bulk-import with one click.

Import Preview — 5 endpoints foundParsed ✓
GET

List Users

/api/v2/users

production
POST

Create User

/api/v2/users

production
GET

Get Profile

/api/v2/me

production
DELETE

Delete Session

/api/v2/sessions/:id

production
PUT

Update Settings

/api/v2/settings

production
4 of 5 selected

Auto Variable Substitution

{{BASE_URL}} and all collection variables are resolved automatically before import.

Supports v2.0 & v2.1

Full support for nested folders, auth headers, and raw JSON body fields.

Performance at every level.

Compare API versions side by side. Simulate real traffic. Know your p99 before your users do.

Load & Stress Testing

Simulate up to 100 concurrent virtual users over a configurable duration. Watch requests per second, average latency, and error rates stream live via SSE.

48.3

Requests/sec

312ms

Avg Response

0.8%

Error Rate

API Benchmarking

Compare v1 vs v2 on avg / p95 / p99 latency and error rate. Run in parallel, get results instantly.

p95 & p99 Stored

Every load test stores a full summary — total requests, peak RPS, p95, p99, and error count — for later analysis.

Ready to start monitoring?

No credit card required • Free forever plan available