Guide · Merchants, SaaS, freelancers billing in USD or EUR

How to accept stablecoin payments

Stablecoins solved crypto's oldest objection - the volatility - and kept everything else: instant settlement, no chargebacks, no processor taking three percent plus a spreadsheet. The question for a merchant is not whether to accept them but which peg: the one that matches the currency you bill in.

U.CASH carries 13 peg families - ten USD tokens, four EUR, and eleven more from Mexican peso to gold. This guide picks the right one, wires it into a checkout, and covers the two accounting questions everyone asks first.

You needA U.CASH Pay accountA wallet on the network your chosen stablecoin lives onAn invoice currency (USD, EUR, or another peg you bill in)

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Step by step

Every step, in order.

Step 01

Pick your peg

Bill in dollars? Any of the ten USD tokens works and the deepest liquidity is USDT and USDC. Bill in euros? EURC and its siblings. The peg families page lists every token in every family - match it to the invoice, not the hype.

Step 02

Connect the wallet

Add the address on the network where the stablecoin lives: an EVM address covers every Ethereum-network form, so one address usually covers the whole USD family across chains.

Step 03

Enable the assets at checkout

Turn on the stablecoins you want offered. Buyers see them alongside every other asset; each pays on its own network with your confirmation policy applied.

Step 04

Price in the invoice currency

The checkout prices in your billing currency and converts at payment time, so a 100 USD invoice can be paid in USDT, USDC, or any enabled asset without you quoting crypto prices.

Step 05

Settle or cash out

Stablecoins land in your wallet as tokens. Hold them as your invoice currency on-chain, swap between pegs, or move to a bank through the local rails where one exists for the peg's currency.

The part that matters

The accounting questions, answered plainly. First: a stablecoin payment is a payment in the peg currency's terms on the date received - the token is just the rail, and because it holds its peg by design, your books look like ordinary FX, not like holding crypto. Second: taxes treat crypto settlement by your local rules; nothing about a stablecoin makes it exempt, and nothing about it makes it worse - the same rules that apply to any digital-asset receipt apply here. The family choice has one more operational wrinkle worth knowing: depeg events. The 2023 USDC weekend is the canonical example - a pegged token traded a few percent off while its reserves were question-marked. Merchants who converted on receipt barely noticed; merchants who held the float ate the round trip. The boring, robust pattern is convert-on-receipt into your billing currency or your bank, which the local rails make a one-step flow in every major market.

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FAQ

Which stablecoin should I accept?

The one pegged to what you bill in. For USD merchants that means enabling at least USDT and USDC - the two deepest - and letting buyer preference pick the winner per transaction.

Do stablecoin payments have volatility risk?

Between receipt and conversion, yes, a small one: pegs can wobble. Convert on receipt and the exposure is seconds long. Hold the float and you are running a small FX position, which is a choice, not a defect.

Can customers pay a USD invoice with a EUR stablecoin?

Yes, if you enable it: the checkout converts at payment time from whatever asset the buyer picks into the invoice currency's terms. You receive the asset they paid with.

What about chargebacks?

There are none on the crypto leg - settlement is final on-chain, which is the entire point for many merchants. Cards, if you offer them too, keep their usual rules on their own rail.

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