SignalWatch

SignalWatch

Know the second a page changes.

SignalWatch monitors public URLs for content changes and downtime, then POSTs a JSON webhook when the page drifts or fails. Built for operators watching competitor pricing pages, status pages, and changelogs without running their own crawlers. Free tier (3 monitors), Pro $12/mo, Business $29/mo.

SaaS

Features

Fingerprint any public HTTP(S) URL on a schedule.

Webhook alerts on content drift, downtime, and recovery.

REST API with per-account keys and a dashboard.

Free tier: 3 monitors at 15-minute intervals

Use Cases

Watch competitor pricing pages without writing a crawler.

Get pinged when a status page or changelog moves.

Monitor public docs and marketing pages for silent edits

AdPlug MCP

Google Ads MCP and LinkedIn Ads MCP for PPC specialists

Comments

LiteWork SignalWatch

Maker of SignalWatch. Happy to answer questions about change monitoring and webhooks.

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