Credyt™ vs send21

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

Credyt™ compared with send21
Detail	Credyt™	send21
What it does	Real-time billing infrastructure for AI products	Non-custodial crypto payment links and API for people and AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Paid
Pricing	Free tier: first 10 active wallets per month free, full API access in test mode. Production: $1 per active wallet per month (active = at least one transaction in billing month). First 1M events per month free. Volume discounts available.	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.
Key features	Real-time usage metering and authorization before costs are incurred Multi-asset wallets supporting USD, tokens, GPU hours, or custom units Branded customer billing portal with self-service top-ups and history Per-customer profitability analytics and event-level cost tracking Support for usage-based, subscription, hybrid, credits, and seat-based pricing models Hard budget ceilings per customer, agent, or team with real-time enforcement Automatic top-up functionality when balance falls below customer-set threshold MCP server integration for AI coding tools without backend required REST API, OpenAPI spec, SDKs, and webhooks for developers	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
What makes it different	Real-time billing for usage incurred in milliseconds, not month-end invoicing No revenue percentage cuts or payment processing markups, only per-wallet fees Built by payment infrastructure engineers from Checkout.com, Visa, TrueLayer, and SumUp Originated from Revenew platform that analyzed $1B/month in revenue	Not given
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)	18 no change since last check	6 +2 (up) since last check
Trust Flow (Majestic)	18	15
Citation Flow (Majestic)	33	28
Referring domains (Majestic)	685	35

4 details filled in for both companies.

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