send21 vs Voyced Hosted IPPBX

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 Voyced Hosted IPPBX
Detail	send21	Voyced Hosted IPPBX
What it does	Non-custodial crypto payment links and API for people and AI agents	Manage your entire phone system online in real time with no servers or maintenance required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
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.	Free with DID orders; standalone: starting from £0.00 monthly
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	Real-time online management from anywhere Extension management and configuration Call routing setup Voicemail and IVR configuration Call recording access and download Secure cloud-based infrastructure
What makes it different	Not given	No servers or on-site equipment required Easy-to-use web interface for quick configuration Free when combined with DID offerings
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	47 no change since last check
Trust Flow (Majestic)	15	7
Citation Flow (Majestic)	28	17
Referring domains (Majestic)	35	76

4 details filled in for both companies.

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