send21 vs Korrali Revenue Recovery

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

send21 compared with Korrali Revenue Recovery
Detail	send21	Korrali Revenue Recovery
What it does	Non-custodial crypto payment links and API for people and AI agents	Find hidden revenue leaks in your Stripe billing configuration
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Paid	Freemium
Pricing	One fee per payment: 0.49% on $0-$10, 0.39% on $10-$50, 0.29% on $50-$100, 0.19% on $100-$500, 0.14% on $500-$2,000, 0.09% on $2,000-$10,000, 0.04% on $10,000-$50,000, 0.02% on $50,000-$100,000, 0.01% above $100,000. Minimum $0.01, maximum $100. No subscription, setup fee or monthly minimum.	Free: All 9 detectors, first 3 recoveries free (only successful ones count). Starter: $99/month with $15K/month recovered included; $990/year. Performance: 10% of recovered amount, $49/month minimum, first $500 recovered free. Growth: $249/month. Scale: $499/month.
Key features	REST API with scoped keys and batch drafts up to 25 per call Support for Bitcoin PSBT and batching wallets like Safe No KYC required, encrypted email storage only Idempotency keys for safe retries Shopify connection with custom app and setup help Fee collected separately on Ethereum and EVM chains via Safe batching	Detects retired prices still charging old customers Identifies never-expiring coupons applying past expiry Flags missed billing cycles that never invoiced Detects duplicate charges to same customer Alerts on payment failure rate spikes Shows exhausted payment retries ready to recover Reports past-due invoices beyond set threshold Identifies involuntary churn from payment failures Tracks daily revenue against trailing average Automatic retry and 3-touch dunning sequence for recovery
What makes it different	Not given	Detection runs continuously and is free forever with no card required Each finding links to exact Stripe objects verifiable in 30 seconds Listed and approved by Stripe on their App Marketplace Read-only by default and revocable anytime from Stripe dashboard
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)	6 +2 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	15	0
Citation Flow (Majestic)	28	13
Referring domains (Majestic)	35	1

4 details filled in for both companies.

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