LinkSentryNever Lose Book Sales to Broken Amazon KDP or Beta Links
Continuously monitors your Amazon KDP book pages, beta-reader invite links, Goodreads profiles, and affiliate links. Instant alerts when a buy-link 404s, goes out-of-stock, or drops its tracking tag.
Client-side security • No registration required • Free tier included
Why choose LinkSentry?
Built to solve real workflows without clutter, tracking, or unnecessary overhead.
Amazon KDP Store Monitor
Detects if your Kindle ebook, paperback, or hardcover listing unexpectedly goes unavailable or 404.
Beta-Reader Link Watchdog
Ensures your StoryPulse invite links remain active and valid for beta readers across newsletter blasts.
Affiliate Tag Preserver
Verifies that your Amazon Associates or publisher affiliate tags are not stripped by link shorteners.
100% Client-Side Privacy
Validates URL headers locally without tracking your readers or personal sales analytics.
Transparent & Fair Pricing
Get started immediately on the free tier, or unlock Pro with your StoryPulse membership.
Free Tier
Essential tools for every author
- On-demand checking for up to 5 book, store, or beta-reader links
- Instant HTTP status verification (200 OK vs 404 / 500 error)
- Amazon ASIN & affiliate tag preservation validator
- StoryPulse beta-reader invite link availability tester
Pro Tier
Included with StoryPulse Pro membership
or $9.99 single manuscript pass
- Automated background daily health checks for all your book links
- Instant desktop & email alerts if an Amazon page 404s or drops out of stock
- Unlimited tracked book, audiobook, and international marketplace links
- Multi-marketplace redirect checker (US, UK, DE, CA, AU)
- Included in StoryPulse Pro ($39/yr or $9.99 pass)
LinkSentry is powered by StoryPulse
StoryPulse is the smart platform for authors and creators. Split manuscripts, collect chapter-by-chapter reader heatmaps, and write stories readers love.