Bitcoin payment gateway: how to accept bitcoin payments and settle in fiat

July 28, 2026

Bitcoin payment gateway: how to accept bitcoin payments and settle in fiat

A guide to accepting bitcoin payments, and other stablecoins or crypto, through a bitcoin payment gateway that settles to your bank in fiat.

Bitcoin is still the coin most customers ask to pay with, but taking it into a raw wallet leaves your business holding a volatile asset and reconciling transactions by hand. A bitcoin payment gateway sits between the customer and your books: the customer pays in BTC, and your business receives fiat.

This guide explains what a bitcoin payment gateway does, the two ways to accept bitcoin payments, how to set it up, and how a gateway handles the volatility, fees, and reconciliation that a raw wallet leaves to you.

In this guide, you'll learn:

  • What a bitcoin payment gateway does and why it beats a raw wallet

  • The difference between on-chain and Lightning bitcoin payments

  • How to accept bitcoin payments with EukaPay, step by step

  • How settlement in fiat removes volatility from your revenue

What a bitcoin payment gateway does

A bitcoin payment gateway is the service that accepts a customer's BTC, confirms it on the network, and converts it to fiat for your business. It is the bitcoin-specific case of a crypto payment gateway, and the same platform accepts other stablecoins or crypto alongside bitcoin.

Without a gateway, a business accepting bitcoin has to manage a wallet, watch the exchange rate, and move funds to a bank manually. A bitcoin payment gateway does that work: it prices the payment, locks the rate, confirms the transaction, and settles fiat to your account.

On-chain and Lightning - two ways to accept bitcoin payments

Bitcoin payments arrive over two networks, and a bitcoin payment gateway can accept both.

On-chain - the base bitcoin network

An on-chain payment is a standard bitcoin transaction settled on the base network. It suits larger amounts, and confirmation depends on network conditions.

Lightning - instant, low-fee bitcoin

The Lightning Network settles small bitcoin payments almost instantly and at very low fees. EukaPay enables Lightning Network transactions, so your business can accept fast, low-cost bitcoin payments for everyday amounts as well as on-chain payments for larger ones.

On-chain bitcoin

Lightning bitcoin

Speed

Depends on network confirmation

Near-instant

Fees

Higher

Very low

Best for

Larger payments

Small, everyday payments

Supported by EukaPay

Yes

Yes

Most businesses accept both, so the customer can pay whichever way suits the amount.

How to accept bitcoin payments with EukaPay

Step 1 - Create an account.

Every merchant goes through onboarding and a business review. A sandbox environment is available so a developer (or coding agent) can build against the bitcoin payment gateway during the review period. EukaPay does not offer instant registration.

Step 2 - Choose how customers pay.

Use a hosted checkout, a payment link, an eCommerce plugin, or the API. Each accepts bitcoin payments; the choice depends on where you sell.

Step 3 - Enable bitcoin and the coins you want.

Turn on BTC, and add other coins your customers hold. EukaPay supports most major cryptocurrencies like BTC, ETH, LTC, SOL, USDC, USDT.

Step 4 - Accept the payment.

The customer pays in bitcoin, on-chain or over Lightning. The gateway confirms the transaction on the network.

Step 5 - Settle to fiat.

The payment is converted at a locked exchange rate to remove all crypto volatility and settled in USD, EUR, GBP, CAD to your bank account.

Why a gateway beats a raw wallet

Accepting bitcoin into your own wallet exposes your business to price swings between the sale and the moment you cash out. A bitcoin payment gateway locks the rate at checkout, so the amount you charged is the amount you receive.

A gateway also protects against chargebacks, because bitcoin payments are not reversible the way card payments are, and it records every transaction so reconciliation does not become manual work. If you are moving off another processor, see how merchants compare EukaPay as a

BitPay alternative

.

One platform underneath

A bitcoin payment gateway runs on the same infrastructure as the rest of EukaPay: instant crypto-to-fiat conversion at a locked exchange rate to remove all crypto volatility, protection against chargebacks, support for a wide range of cryptocurrencies, and settlement in USD, EUR, GBP, CAD to your bank account.

Bitcoin is one coin on that platform. Accepting it and accepting other stablecoins or crypto is the same setup, so the decision is which coins your customers pay with, not which gateway to run for each.

Get started with EukaPay

Create an account to start accepting bitcoin payments once your business review is complete, and read how EukaPay enables

Lightning Network transactions

for fast, low-fee bitcoin. See the

crypto payment gateway

overview, or the

eCommerce use case

if you sell online.

Frequently asked questions

What is a bitcoin payment gateway?

It is a service that accepts a customer's bitcoin, confirms it on the network, and settles fiat to your business, and it accepts other stablecoins or crypto alongside bitcoin.

How do I accept bitcoin payments?

Create an EukaPay account, choose a hosted checkout, payment link, plugin, or the API, enable BTC, and settle the payment in fiat.

Can I accept Lightning payments?

Yes. EukaPay enables Lightning Network transactions for near-instant, low-fee bitcoin payments, alongside on-chain payments.

What currency do I receive?

You are settled in USD, EUR, GBP, CAD to your bank account at a locked exchange rate to remove all crypto volatility.

Does a bitcoin payment gateway protect against chargebacks?

Yes. Bitcoin payments are not reversible the way card payments are, so a bitcoin payment gateway is protected against chargebacks.

Can I accept other coins besides bitcoin?

Yes. EukaPay supports most major cryptocurrencies like BTC, ETH, LTC, SOL, USDC, USDT on the same platform.

Do I need a developer to accept bitcoin payments?

No. A hosted checkout, payment link, or plugin needs no code. A developer (or coding agent) can use the API when you want bitcoin payments inside your own product.