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Documentation Index

Fetch the complete documentation index at: https://docs.stablepayfi.ai/llms.txt

Use this file to discover all available pages before exploring further.

StablePay lets merchants price products in supported fiat currencies while collecting and settling stablecoin payments in USDT or USDC. When a merchant prices in a non-USD currency, StablePay can automatically convert the displayed amount into a USD equivalent for stablecoin payment. This reference page centralizes currency support and auto-conversion behavior across Checkout, Payment Links, Subscriptions, and Invoicing.

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Settlement assets

StablePay currently supports stablecoin collection and settlement in:
  • USDT
  • USDC

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Supported pricing currencies

StablePay Checkout and Payment Links currently support the following pricing currencies with automatic conversion for non-USD amounts.
RegionCurrencies
DefaultUSD
Europe and North AmericaEUR, GBP, AUD, CAD
Asia-PacificJPY, HKD, SGD, KRW
Southeast AsiaIDR, PHP, VND, THB, MYR
Latin AmericaMXN, BRL
Middle EastAED, SAR, QAR, KWD, OMR, BHD

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Product coverage

Not every StablePay product supports the same pricing-currency range.
ProductCurrent product / service pricing currenciesAuto currency conversion
Stablecoin CheckoutUSD plus the supported multi-currency listSupported
Payment LinksSame multi-currency coverage as Stablecoin CheckoutSupported
InvoicingUSD only for nowNot applicable
Stablecoin SubscriptionsUSD only for nowNot applicable
If you need local-currency pricing such as EUR, JPY, KRW, or AED, use Stablecoin Checkout or Payment Links.
If you use Invoicing or Stablecoin Subscriptions, products and services should currently be created in USD.

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How auto currency conversion works

Local pricing currency amount
    ↓
Converted using the current exchange rate
    ↓
USD equivalent
    ↓
Paid and settled in USDT or USDC

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Conversion and settlement rules

ItemRule
Exchange rate referenceMainstream international bank mid-market rates
Extra FX markupNo additional markup by default
Settlement assetUSDT or USDC
Settlement timingFollows the merchant’s configured settlement cycle
Fee calculationFees are calculated against the USD-equivalent amount

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Example

If an item is priced at 100 EUR, Checkout or Payment Links converts the amount to its USD equivalent at the current rate. If the equivalent amount is 108.50 USD, the customer pays 108.50 USDT or 108.50 USDC, and fees are calculated from the USD-equivalent amount.

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Important limitations

  • Auto currency conversion currently applies mainly to Stablecoin Checkout and Payment Links.
  • Invoicing and Stablecoin Subscriptions currently support USD-priced products or services only.
  • Payment Links uses the same supported pricing-currency coverage as Stablecoin Checkout.
  • Auto currency conversion is enabled by default for supported non-USD pricing currencies.
  • If you do not want conversion, price the order in USD.
  • Supported currencies and behavior can vary by product, account, and integration configuration.
Last modified on April 29, 2026