Zateway vs Helio
Solana-leaning payments; Zateway is multi-chain stablecoin-first.
Helio
Solana-leaning ecosystem bias
Less coverage as a 6-chain USDT+USDC gateway
Merchant tooling narrower than multi-chain routers
Zateway
Non-custodial settlement to your wallet
USDT + USDC on 6 chains
Flat 1% fee
Zero chargebacks
API + payment links + webhooks