Zateway vs Mercuryo
On/off-ramp oriented fintech, not non-custodial merchant gateway.
Mercuryo
Buy/sell on-ramp positioning vs merchant gateway
KYC-heavy corridors
Not built as 1% USDT invoice settlement
Zateway
Non-custodial settlement to your wallet
USDT + USDC on 6 chains
Flat 1% fee
Zero chargebacks
API + payment links + webhooks