Paste a URL. Describe what to watch in plain English. We'll email you when it happens—or send clean JSON to your webhook.
No complex selectors or brittle scripts. Just describe what you want to monitor in plain English, and our AI handles the rest.
URL: https://apple.com/shop/refurbished/mac
"Alert me when a 14" MacBook Pro
drops below $1500"✉️ Email Alert
Subject: Price Alert - MacBook Match!
14" MacBook Pro M2 dropped to $1,449
Was: $1,699 → Now: $1,449
View Deal → apple.com/shop/p/123From price drops to job postings—plain English, no code
"Alert when any M2 MacBook drops below $1500"
"Notify when Software Engineer roles in Austin appear"
"Alert when new PDF syllabus is posted"
"Tell me when size 10 is back in stock"
"Alert if terms mention 'biometric' or 'retention'"
"Notify when changelog mentions 'performance'"
Drop in a URL. Tell us what matters in plain English.
See exactly what we'll watch before you save.
Email for everyone. Webhooks for developers. Slack for teams.
Built for reliability and precision, accessible to everyone
AI knows "price drop" from "out of stock"—no brittle selectors.
We diff first, AI validates second. You only get real matches.
Every alert shows what changed and why it matched your rule.
Each monitor auto-generates webhooks and REST endpoints.
Got noise? Click "Tighten rule" from any alert to fix it.
Share monitors, pipe to Slack, version your rules.
SDKs for JavaScript, Python, Go • HMAC verification included
POST https://your-app.com/webhook
X-Strobe-Signature: t=1692...,v1=a3f...
{
"monitor_id": "abc123",
"matched": true,
"reason": "Price < 1500",
"item": { ... },
"checked_at": "2025-01-20T..."
}curl -H "Authorization: Bearer $KEY" \
https://api.strobe.dev/v1/monitors/
abc123/latest
# Returns last match or null
# Perfect for cron jobsFree tier: 3 monitors, 15-min checks, email alerts. No card required.