One integration. Unified access to every ramp provider.
Integrate stablecoin payments with a ready-made widget or a single API call, and unlock multiple licensed corridors through one integration. Onstacks evaluates every connected provider and routes each transaction to the best available one.
Availability is evaluated per transaction.
Provider connections reachable through one integration
KorapayNombaPaycrestQuidaxStableRailsKorapayNombaPaycrestQuidaxStableRailsConnect once. Surface the routes that fit.
Send one customer intent through the widget or the API. Onstacks checks compatible provider connections and returns a route to continue.
A finished flow that carries your brand.
Drop in a complete buy-and-sell experience. Set the name and defaults; provider availability keeps changing underneath without touching your interface.
Type a name and watch the live widget update.
Both directions in one embedded flow.
Network, asset, and opening direction.
Routes resolve behind the widget.
Availability is evaluated per transaction.
Your interface. One normalized lifecycle.
Create the intent from your own product, work with the route returned for it, and follow progress through one consistent event sequence.
Send direction, amount, asset, network, and payment method.
Use the compatible route selected for that intent.
Follow one event sequence through completion.
{
"direction": "buy",
"source": { "currency": "NGN", "amount": "250000" },
"destination": { "asset": "USDC", "network": "base" },
"payment_method": "bank_transfer",
"wallet_address": "0x…"
}Make the route decision visible.
Onstacks shows one consistent decision surface across provider options. Commercial quote fields stay pending until a live amount returns them.
Focused coverage, shown without inflated claims.
The live Ramp currently displays these provider connections, corridors, networks, assets, and bank transfer. Actual availability is evaluated per transaction.
A listed provider is not implied to support every corridor, network, asset, payment method, or transaction.
What happens between start and settlement.
Intent
Buy USDC on Base using NGN.
Eligible routes
Check corridor, asset, method, and availability.
Selection
Return a compatible provider route.
Completion
Track provider and transfer events in one lifecycle.
Know who controls each part.
Your product
Owns the customer relationship, interface choices, and the intent sent to Onstacks.
Onstacks
Normalizes provider options, coordinates route selection, and exposes one transaction lifecycle.
Fulfillment providers
Handle the regulated services and local transfer steps available for an eligible route.