What is Payment processor?

A crypto payment processor is a service provider that enables merchants to accept cryptocurrency from customers and receive fiat (or sometimes stablecoin) settlement in return. For most merchants, integrating a payment processor is the fastest and simplest way to start accepting crypto — they don’t need to manage wallets, deal with blockchain confirmations, or handle customer support for crypto payments themselves.

The major crypto payment processors

• BitPay — one of the oldest, founded in 2011. Strong merchant tools and broad coin support. Also runs a debit card program (currently paused).
• Coinbase Commerce — operated by Coinbase, the largest US crypto exchange. Supports Bitcoin, Ethereum, USDC, and several L2 networks.
• BTCPay Server — open-source, self-hosted. Popular with merchants who want full control and no middleman.
• NOWPayments — broad coin support, including many altcoins.
• CoinGate — European-focused, supports a wide range of coins and merchant integrations.
• CoinPayments — one of the longest-running, supports hundreds of altcoins.

What processors do for merchants

• Provide hosted checkout pages and plugins for major e-commerce platforms (Shopify, WooCommerce, Magento).
• Handle wallet generation, QR codes, and address display.
• Monitor the blockchain for incoming payments and notify the merchant’s system.
• Convert received crypto to fiat (or stablecoin) and settle to the merchant’s bank account, usually on a daily schedule.
• Handle chargebacks, refunds, and compliance (KYC, AML) where required.

What processors do for customers

For the customer, the processor is usually invisible. You check out, you see a QR code or a wallet address, and you pay with your wallet. The processor handles the rest. The merchant experience is the same as a credit card transaction.

See our processors directory for a full list of supported options.