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Rheon’s goal for the Stablecoin On/Off-Ramp is universal: use any stablecoin, from any wallet and any network, as a payment method. The set below is the coverage today and expands toward that goal. It is one statement for both integration paths: what the SDK covers, the API covers, and nothing more.
Read coverage at runtime rather than hard-coding it: GET /v1/currencies serves the live set of networks, assets, currencies, and rails, and GET /v1/countries, GET /v1/limits, and GET /v1/rates cover the rest of this page.

Crypto deposits

Fund a deposit from any of these networks:
  • Ethereum
  • Arbitrum
  • Base
  • Optimism
  • Polygon
  • BNB Chain
  • Tron
  • Robinhood Chain
  • Solana
  • Stable
Users fund with a stablecoin (such as USDC or USDT, where available on the source network). Deposits settle as USDC by default, moved cross-chain via external protocols such as Circle CCTP. To settle on another chain or token, name both on the quote - see Stablecoin/crypto deposits.
Your key has to be enabled for a destination chain before you can settle on it. An unenabled chain comes back 403 chain_not_allowed at quote time rather than failing later.

Bank transfers

The second rail moves fiat from banks and local payment methods into stablecoins. Only compliant, licensed rails are used. On-ramp and off-ramp are covered on On-ramp and Off-ramp.

Virtual accounts

Permanent details in your user’s own name that convert on arrival - see Virtual accounts for what the product does.

Currencies

Local details in your user’s name, kept permanently, that convert on arrival. Stablecoin collection accounts are also available on Ethereum, Arbitrum, Base, Optimism, Polygon, Avalanche, Solana, and Tron - use them to collect stablecoins and settle out to fiat. In the pipeline: ARS, PEN, SGD, CAD, KES, GHS, IDR, VND, EGP, HKD.
Some accounts (USD, AED, COP) are provisioned asynchronously - the details come back empty on creation and arrive moments later. Poll until they are populated rather than showing an empty screen to your user.

Transfer limits and settlement

Applies to bank transfers and virtual accounts alike: settlement speed and per-transfer ceilings, by region.

Cards

Card payments: price a payment, start it, and follow it to settlement. Apple Pay is available on the hosted payment page. Card currencies, countries, limits, and rates have their own lookups - start at Card currencies. Cards also work in the outgoing direction - see Card payouts.
The two card directions are not symmetric. Paying in works across dozens of currencies; paying out settles in EUR, GBP and USD only. For every other currency the outgoing route is a bank payout.

Apple Pay

Apple Pay is part of this product, so its coverage is the card coverage above plus one condition on the buyer’s side: a supported Apple device. There is no separate country list. Native in-app Apple Pay, through the API, carries one extra requirement - each partner has to be whitelisted on the card partner’s Apple account before it can be used. See Apple Pay.

Card issuing

See Card issuing.

Three ways in and out

Every corridor is one of three shapes, and each works in both directions:
Bank transfers do not always need a virtual account. Several countries take a one-off transfer against a payment reference instead - which is how each country works is answered by GET /v1/payment-methods, not by this page.

Alternative payment methods

In several markets the dominant way to pay is neither a card nor a bank transfer: mobile money in East and West Africa, PIX QR codes in Brazil, and local payment networks elsewhere. They on-ramp and off-ramp directly to stablecoins, without a virtual account in the middle. Availability moves faster than this page, so read it per country at runtime: GET /v1/payment-methods returns each method with its currency, direction, limits, and settlement speed.

Where we cannot onboard

Users are onboarded across most of the world, under OFAC, EU, UN, UK, and MAS sanctions rules. Accounts cannot be opened for anyone domiciled in, operating from, or primarily owned by people in: Belarus, Central African Republic, China, Cuba, DR Congo, Eritrea, Guinea-Bissau, Iran, Iraq, Lebanon, Libya, Mali, North Korea, Russia, Somalia, South Sudan, Sudan, Syria, Venezuela, Yemen, Zimbabwe, and the disputed or occupied territories of Ukraine (Crimea, Donetsk, Luhansk, and the wider Donbas). Some industries are excluded wherever they are based: arms and defence, atomic power, correspondent banks, counterfeit goods, human trafficking, illicit drugs, shell companies, proliferation financing, pyramid and Ponzi schemes, unlicensed banks, unlicensed gambling, unlicensed pharmaceuticals, unlicensed remittance, wildlife trafficking, and any other unlicensed or criminal activity. Eligibility in the end depends on jurisdictional risk and the policies of the banking and payment networks behind a given rail.