Coverage - Onstacks

Coverage grows market by market as licensed providers and corridors are enabled; this page is a snapshot of what is on today, and the corridors endpoint is the source of truth for the API. If your market is not listed, tell support which country and payment method you need.

Fiat currencies

Currency	Country	Ramp Checkout	White-Label API	Payment method
NGN	Nigeria	Buy and sell	Sell	Bank transfer
GHS	Ghana	Buy and sell	Planned	Bank transfer, mobile money
KES	Kenya	Buy and sell	Planned	Bank transfer, mobile money
UGX	Uganda	Buy and sell	Planned	Mobile money
TZS	Tanzania	Buy and sell	Planned	Mobile money
MWK	Malawi	Buy and sell	Planned	Mobile money

Assets and networks

Onstacks orchestrates the network internally: you name the asset and the destination, and the movement happens on whichever supported network the transaction needs.

Asset	Ethereum	Polygon	BSC	Base
USDC	Yes	Yes	Yes	Yes
USDT	Yes	Yes	Yes	Yes
CNGN	Yes	Yes	Yes	Yes

Sandbox uses the corresponding testnets, for example ethereum_sepolia.

Limits

Per-transaction limits depend on the provider and the user’s verification level and are returned on each quote. Contact support for higher limits.