unter.
The crypto payment infrastructure layer for PSPs in emerging markets.
Unter sits inside your checkout. Your customers pay with any wallet, any token, on any chain. You receive exactly what you expect. We handle everything in between.
One API. All of crypto.
ETH, Tron, Solana, BNB, Polygon and more. Fully abstracted.
Smart routing built in.
Automatic swaps, cross-chain bridging and wallet verification. Behind the scenes.
White-label by default.
Your brand, your domain, your merchants. Unter is invisible.
Why existing crypto payment tools fail PSPs
Crypto payment failures cost your platform more than you realise.
Most crypto payment solutions only process same-chain transactions. Users must already hold the right token, on the right chain, in the right wallet. When anything is off, the payment fails. Your platform carries the support load, the refund cost, and the lost revenue.
Failed deposits cost you more than you think
A 5% failure rate on $10M per month in crypto volume is $500K in lost GMV. That is before support tickets, reputation damage, and merchant churn.
Multi-chain support requires engineering you shouldn't allocate
Every new chain is a new integration, a new failure mode, a new support category. Supporting crypto in-house distracts your team from your core product.
Existing tools were built for merchants, not PSPs
Legacy crypto processors don't white-label, don't route intelligently, and don't give you control over settlement. They were built for a different buyer.
Every payment succeeds with Unter
Unter automates the crypto checkout flow. When a customer pays, Unter verifies the transaction and handles swaps or bridges in the background. You always receive the right asset.
Customer pays with any token or wallet Unter routes swaps or bridges automatically You receive the correct asset every time
Why PSPs choose Unter.
Reduced failed deposits
Wallet verification runs before every transaction executes. Wrong token, wrong chain — caught before it becomes a support ticket or a refund.
One integration, all of crypto
Your engineering team integrates once. Unter handles Ethereum, Tron, Solana, BNB Chain, Polygon, Base and more. No new chains to maintain.
New revenue per transaction
Add your own margin on top of Unter's processing fee. Every successful crypto transaction becomes a new revenue line for your platform.
Non-custodial by design
Funds never sit with Unter. They move from the user's wallet to your settlement destination. Unter is not a custodian.
White-label native
The entire checkout lives under your domain and design. Unter stays invisible. Your merchant relationship stays yours.
Live in days, not months
Our API is documented for backend engineers without specialist crypto knowledge. Most PSPs are integrated and tested within days.
PSPs use Unter to power crypto checkout for their merchants.
Unter runs behind the scenes. PSPs stay in control of their brand, merchant relationships and settlement preferences.
• Reduced failed deposits across all supported chains and tokens• Faster onboarding of crypto merchants, no blockchain development required• New revenue per transaction on top of Unter's processing fee• Zero internal crypto infrastructure to build or maintain
Built for the markets where crypto is already money.
In India, LatAm, SEA and Africa, crypto is not speculative. It is how people move money where banks fail. Unter is built specifically for PSPs operating in these markets.
India
$338B in crypto inflows in 12 months.
#1 globally in crypto adoption. USDT on Tron dominates payment flows. GSX / PayHub live with Unter in production today.
Latin America
90% of Brazil's crypto activity is stablecoins.
Argentina, Brazil, Mexico. Inflation-driven USDT adoption. Central Bank framework live since February 2026.
Southeast Asia
3 of the global top 10 crypto markets in one region.
Philippines, Vietnam, Indonesia. Remittances, gaming economies and dollar-denominated savings demand.
Africa
Nigeria, Kenya. M-Pesa corridors. Stablecoin rails filling the banking gap.
Nigeria, Kenya. M-Pesa corridors. Stablecoin rails filling the banking gap.
FAQ's
Unter integrates with your existing PSP or payment platform via REST API. We provide a white-label hosted checkout page inside your payment flow. Your platform triggers a payment request, Unter handles execution, and you receive a webhook with settlement details.
No. Unter is an additional payment method inside your current checkout. Your existing card, bank transfer and local payment methods are unaffected. Your platform retains full control.
No. Unter is non-custodial by design. Funds move from the user’s wallet to your settlement destination. Unter never holds or controls funds in a custodial capacity.
Most PSPs are technically integrated within days. Unter provides a single API, hosted white-label checkout, webhook callbacks and a PSP dashboard. No blockchain development required on your side.
Unter is purpose-built for PSPs in India, Latin America, Southeast Asia and Africa. The regions where crypto volume is growing fastest and where existing payment infrastructure has the most gaps.
unter.
