Skip to main content
FYNORALAUNCH home

THIS SESSION · FINTECH · MONEY TOOLS

send21 vs Authoryze

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 Authoryze
Detailsend21 logo send21Authoryze logo Authoryze
What it doesNon-custodial crypto payment links and API for people and AI agents Authorization and control layer for AI agent payments
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Paid
PricingOne 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. Team Starter: $39.99/month for up to 100 transactions per month. Team Pro: $174.99/month for up to 500 transactions per month. Additional transactions: $0.40 per transaction beyond plan limits. Individuals: 1.5% per transaction ($0.50 minimum), no subscription required, first 5 transactions free. Ne
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
  • Single-use virtual cards for each approved purchase
  • Per-transaction, daily, weekly, and aggregate spending limits
  • Auto-approve threshold for small purchases
  • Merchant allowlist with subdomain matching
  • Complete audit trail of all transactions
  • OAuth integration with Claude, ChatGPT, Claude Code, Codex and Cursor
  • Team budgets and rules with shared envelope
  • Per-member and per-agent transaction recording
  • Visa and Mastercard support
  • MCP-native integration
What makes it differentNot given
  • Real card and funding details never exposed to agents
  • Each card works once, then is dead
  • Server-side enforcement of all spending rules
  • One breach leaks only one disposable card, not funding source
  • Works in minutes with no setup required
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)10 +4 (up) since last check9 no change since last check
Trust Flow (Majestic)152
Citation Flow (Majestic)2829
Referring domains (Majestic)35109

4 details filled in for both companies.

More alternatives to send21 More alternatives to Authoryze

Help centre