Non-custodial crypto checkout where customers pay with any token and merchants receive USDC or USDT in their own wallet
Send one-time faxes online from $0.99, pay only if delivered
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
US
Pricing model
Freemium
Not given
Pricing
Test mode: free. Live payments: 0.7% per completed payment. No monthly or setup fee.
One-time fax: from $0.99 for up to 10 pages, then $0.08 per extra page (max 1,000 pages), pay only if delivered. 30-day fax number: $4.99 one-time payment. Lifetime Basic fax number: $97 one-time payment. Lifetime Pro fax number: $147 one-time payment. Standard Plan (monthly): $6.58/mo or $79/year (
Key features
Hosted checkout sessions for stablecoin payments
Direct settlement to merchant-controlled wallet
Independent onchain payment verification
Signed webhook notifications with retry delivery
JavaScript and React SDKs for integration
Separate test and live payment modes
Payment links, invoices, and API-based checkout creation
Dashboard with payment records and settlement wallet settings
API playground for testing checkout flows
Send faxes from browser, email, or mobile app
Pay only if delivery succeeds
Support for up to 1,000 pages per fax
Timestamped delivery confirmation
Searchable AI transcripts for received faxes
HIPAA Secure workflow with signed BAA
IRS form filing with carrier proof
Chrome extension for PDF faxing
What makes it different
Non-custodial: Payclave never holds funds or private keys; settlements go directly to the merchant's own wallet
Accept any token: customers pay with whatever supported token they already hold without bridging or swapping
Simple flat 0.7% pricing with no monthly fee, setup fee, or payout fee
Independent onchain verification before marking payments as complete
Developer-friendly with published API, SDKs, and comprehensive guides for integration and reconciliation
No account or subscription required for one-time faxes
Pay only if fax delivers successfully
Integrated IRS filing with official transmission proof
Payclave
SingleFax