Sentnl vs BadgeRelay

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Sentnl compared with BadgeRelay
Detail	Sentnl	BadgeRelay
What it does	Protect your client retainers from silent AI failures	Publish directory badges without redeploying
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	SG
Pricing model	Freemium	Freemium
Pricing	Free: 500 transactions per month, no credit card required	Free: $0/mo (1 website, 10 active badges, includes Powered by BadgeRelay attribution). Portfolio: $6/mo (10 websites, 100 active badges, removes attribution). Studio: $12/mo (50 websites, unlimited active badges, removes attribution). Yearly billing saves two months.
Key features	Real-time transaction monitoring Empty output detection Instant email notifications 5-minute webhook setup Integration with major automation platforms No database required Free tier with 500 transactions monthly	Server-rendered embed for crawler visibility Instant badge updates without redeployment Multiple layout options (row, carousel, compact) Works with Next.js and static sites One-line code installation Backlink preservation for directory verification Attribution removal on paid plans
What makes it different	Built specifically for AI agencies and freelancers managing client workflows Catches soft failures instantly before clients notice No credit card required for free tier Simple webhook integration without custom monitoring scripts	Separate badges from codebase to avoid repeated footer edits Manage all badges from one dashboard across multiple products Changes go live instantly without site redeploy Server-side rendering ensures crawlers see badges
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	1 −1 (down) since last check	26 no change since last check
Trust Flow (Majestic)	0	9
Citation Flow (Majestic)	5	18
Referring domains (Majestic)	20	43

5 details filled in for both companies.

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