INOSTOP

Free Forever

Website Monitoring & Performance Observation Platform

API monitoring and website checks (latency + screenshot evidence). From availability to visual debugging, Inostop helps you spot issues 24/7.

Create Monitors

Auto Checks

Alerts

Monitor Types

Domain expiry / SSL certificates
API availability (status/keyword)
Web checks (latency & screenshots)
Login checks (success keyword)
Ping & port connectivity

Alert Channels

Webhook
Telegram / WhatsApp
Feishu / DingTalk
Slack

Frequencies

API: 5/15/45 min
Web: 30/60 minutes
Login: 15/30/60 min
Domain/SSL: 24h / 7d
Ping/Port: 5/15/60 min

How it works

Create monitorsConfigurable

Pick types: Domain, SSL, API, Web, Login, Ping, Port.

Configure checksConfigurable

Status codes, headers, auth tokens, success keywords, performance tiers, and more.

Bind alert channelsConfigurable

Supports Webhook/Telegram/WhatsApp/Feishu/DingTalk/Slack with window alerts and silence to reduce noise.

Review history & screenshotsConfigurable

See check history, failure reasons, and screenshots to debug quickly.

Professional Observation

Why Choose Inostop Monitoring Platform?

Enterprise API Monitoring & Auditing

Deep REST API validation with custom Headers JSON, Auth Tokens, and Status Code (200/201) checks. Use Success Keywords to ensure your business logic is intact.

Web Checks & Screenshot Evidence

Record request latency and alert by 500/1000/2000/3000ms tiers, plus automated desktop/mobile screenshots as evidence for visual debugging.

SSL Certificate & Domain Guard

Unified management for SSL certificates and domains. Auto-alerts 30/7/5 days before expiry via Feishu, DingTalk, Telegram, and Webhook.

Network & Port Connectivity Probes

Real-time Ping latency and TCP Port (Telnet) connectivity checks. Detect network outages or server downtime instantly to ensure infrastructure reliability.

Flexible Pricing Plans

From a free-forever developer edition to the Pro Max flagship, we scale with your team's 24/7 monitoring needs.

One-time purchase · Card / Alipay

Free Forever

Free

$0/mo

or yearly $0

Free forever, covers full monitoring flow
14 monitors total
1 active alert channel
Choice of: Feishu/DingTalk/WhatsApp/Webhook
Supports ping/port/domain/SSL

Get Started

Pro

$6.1/mo

or yearly $61

31 monitors total (3 web)
2 alert channels (Feishu / Webhook / Telegram / WhatsApp / DingTalk / Slack)
Supports ping / port / domain / SSL / API / login
Yearly bonus +30 normal +11 web (61 total, 14 web)

Get Started

Premium

Pro Max

$11/mo

or yearly $103

63 monitors total (6 web)
3 alert channels (Feishu / Webhook / Telegram / WhatsApp / DingTalk / Slack)
Supports ping / port / domain / SSL / API / login
Yearly bonus +68 normal +20 web (131 total, 26 web)

Get Started

Monitor Features

Core monitor types at a glance with frequency and value.

Domain/SSL · 24h / 7d

Expiry Guard

Automatically fetch domain/cert expiry and issuer, show remaining days, and alert by thresholds.

API · 5/15/45m

API Validation

Validate expected status codes, headers, auth tokens, and success keywords—ensure the API is not only up, but correct.

Web · 30/60m

Web Checks & Screenshot Evidence

Collect FCP/LCP and slow resources, alert by strategy thresholds first; fall back to 500/1000/2000/3000ms page-load tiers when render metrics are missing, with desktop/mobile screenshots as evidence.

Login Checks

Form-based login checks: customize method/headers/expected status and verify success by keyword.

Network · 5/15/60m

Ping & Port Checks

Track latency and TCP port reachability (handshake) to catch network issues and outages early.

Alerts · Channels

Multi-channel Alerts

Send alerts via Webhook, Telegram, WhatsApp, Feishu, DingTalk, and Slack—pair with silence/window rules to reduce noise.

Ready to gain 24/7 confidence?

Launch monitors in minutes, invite teammates and watch your uptime improve.

Start Free Trial Go to Dashboard