Accept Crypto Payments.
Settle Directly to Self-Custody.
The largest non-custodial crypto payment gateway for global commerce. Accept 500+ cryptocurrencies across 190+ blockchains (Bitcoin, Solana, TRON, EVM & more) with 0.5% flat fees, zero rolling reserves, and instant direct on-chain settlements.
Customer Checkout
100.00 USDT
BSC Network
Instant Web3 broadcast or QR invoice sweep
Smart Router (Direct Settlement)
Atomic split & direct settlement in same block
Merchant Settlement (Self-Custody)
Direct on-chain payout • Zero withdrawal fees
Accept Any Token on Any EVM Blockchain
Settle customer payments atomically into your self-custody address. We support 500+ ERC-20 tokens and native coins across 190+ EVM networks (Ethereum, BNB Chain, Arbitrum, Base, Polygon, Avalanche & more) with a flat 0.5% protocol fee and zero custodial risk.
Four Engines. Total Financial Sovereignty.
Non-custodial merchant checkout, zero-fee P2P transfers, biometric passkey security, and atomic smart contract settlement — unified in one sovereign platform.
Non-Custodial Crypto Gateway
Accept crypto payments directly into your self-custody address. Automated routing across 190+ blockchains (Bitcoin, Solana, TRON, and 190+ EVM chains) with 500+ cryptocurrencies and zero rolling reserves.
Zero-Fee Instant P2P with K Khay Pay
Send and receive instant USD transfers to any @username handle. Sub-second ledger settlement with verifiable cryptographic receipts and zero platform fees.
Keyless Biometric Security
No seed phrases to lose. No password leaks. Authenticate and sign payments with Face ID, Touch ID, or hardware security keys in under 0.05 seconds.
Atomic Multi-Chain Settlement
Non-custodial smart contracts and native UTXO multi-output transactions execute mathematical splits directly on-chain. 99.5% settles immediately to merchant cold storage with zero relayer custody across 190+ multi-chain networks.
See How We Compare
K Khay vs traditional payment processors and custodial crypto gateways.
| Feature | Traditional(Stripe / PayPal) | Custodial Gateways(BitPay) | K Khay ✦ |
|---|---|---|---|
| Settlement Fee | 2.9% + $0.30 | 1.0% – 1.5% | 0.5% Flat |
| Fund Custody | Held in corporate bank | Held on third-party platform | 100% Self-Custody |
| Settlement Speed | 2–7 business days | Hours / Batch payouts | Instant (sub-second) |
| Rolling Reserves | 5%–10% held 90 days | Frequent account freezes | 0% — Never Frozen |
| Chargebacks | High fraud & dispute fees | Centralized disputes | Impossible (Immutable) |
| Business Gas Fees | N/A (Hidden interchange) | Paid by merchant on withdrawal | $0.00 (100% Free) |
| Net Payout Guarantee | Variable (Chargeback clawbacks) | Tiered / Volume penalties | Guaranteed 99.5% Net Payout |
| KYC to Start | Full business verification | KYB + document review | Start in 30 seconds |
Frequently Asked Questions
Everything you need to know about our zero-gas merchant model, autonomous direct settlements, and guaranteed 99.5% net payouts.
Merchants pay strictly $0.00 in blockchain gas fees to receive and collect revenue. Our autonomous relay infrastructure sponsors all QR deposit sweeps and contract payouts directly into your self-custody address. You never need to fund gas balances, hold native tokens (ETH, BNB, POL), or pay manual withdrawal fees.
Have more technical or settlement questions?
Our support team and protocol engineers are online 24/7.
Ready to Accept Crypto Payments?
Create your payment gateway in under 30 seconds. No upfront fees, no KYC delays, no rolling reserves. Just direct on-chain crypto settlements.