send21 vs Monyo

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 Monyo
Detail	send21	Monyo
What it does	Non-custodial crypto payment links and API for people and AI agents	Split Bills - Not Headaches!
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	VN
Pricing model	Paid	Free
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.	Not given
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	AI-powered bill calculation in 30 seconds Receipt scanning Trip tracking Loyalty points system (YO Points) Advanced splitting with extra fees Pinpoint accuracy for fair sharing Easy-to-use interface Chat-based interaction with AI
What makes it different	Not given	AI handles all grouping and calculation automatically Completes bill splitting in 30 seconds So simple anyone can use it Prevents awkwardness with friends over money
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	5 no change since last check
Trust Flow (Majestic)	15	3
Citation Flow (Majestic)	28	9
Referring domains (Majestic)	35	5

3 details filled in for both companies.

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