Adyen is a unified global payment solution, enabling businesses to accept local and international payments with advanced fraud protection

Affirm lets US customers pay over time in installments while you receive the full amount upfront (minus Affirm's fee). You need an approved Affirm merchant account — apply at affirm.com/business with a US business entity and US bank account, then copy the public and private API keys from the Affirm Merchant Portal (API keys page). USD only; customers without a US mobile number cannot complete an Affirm loan.

Afterpay lets your customers split the payment into four interest-free instalments while you receive the full amount upfront, minus Afterpay's fee. You need an approved Afterpay business account for the US, Canada, Australia or New Zealand (US shoppers see it branded Cash App Afterpay) — apply at afterpay.com, then enter the Merchant ID and Secret Key Afterpay issues. Each account settles in the single currency of its home country, and Afterpay enforces its own per-merchant minimum and maximum order amounts.

Buyers pay with the cards and details already saved in their Amazon account — one of the highest-trust wallets in the US, Europe, UK and Japan. Registration is self-serve in Amazon Pay Seller Central, but travel and tour services are a restricted category that needs Amazon's prior approval before you can take payments (see pay.amazon.com/help/6023). You'll find the Merchant ID, Store ID and API keys under Seller Central → Integration Central.

Accept Apple Pay from customers on Apple devices and Safari

Accept PIX payments from Brazilian clients

Banchile Pagos is Banco de Chile's card acquirer. Its Web Checkout sends your customer to a secure Banchile payment page to pay by credit, debit or prepaid card, in Chilean pesos. Contract Web Checkout through Banconexión or Mi Banconexión, then certify your integration at developers.banchilepagos.cl — Banchile emails you the production login and secret key to paste here.

Bizum is Spain's leading mobile payment method, used by around 25 million Spaniards. Requires a MONEI account.

Bold is a new, modern Colombian fintech company, accepting common cards worldwide

Accept common cards, PayPal or common ethiopian methods such as telebirr and CBE Birr

Clearpay (Afterpay's UK brand) lets your customers split the payment into four interest-free instalments while you receive the full amount upfront, minus Clearpay's fee. You need an approved Clearpay business account for the United Kingdom — apply at clearpay.co.uk, then enter the Merchant ID and Secret Key Clearpay issues. Accounts settle in GBP, and Clearpay enforces its own per-merchant minimum and maximum order amounts.

Ideal for African customers where international gateways have limited coverage

Chilean payment gateway with multilingual support, accepting common cards

Accept Google Pay from customers on Chrome and Android

iDEAL is the dominant payment method in the Netherlands, used by ~70% of e-commerce. Requires a Mollie account.

KamiPay — PIX payments from customers in Brazil, settled to you in USDT or ARS. Credentials are issued manually by KamiPay (info@kamipay.io).

This Chilean bank transfer gateway has extremely low fixed fees of around 0,50 USD per transfer

Klarna — pay now, pay later, and financing on Klarna's hosted payment page. Requires a direct Klarna merchant account with a signed agreement for each country you enable; the gateway's country must be one of Klarna's purchase countries and the payment currency must be that country's local currency. API credentials (username and password) are generated in the Klarna merchant portal under Settings.

Mercado Pago is popular in many Latin American countries

Cryptocurrency gateway with the option of accepting common cards

This huge international payment gateway has support for 200+ countries in 25 currencies

Accept cards payments, bank transfers, and local African payment methods

Widely-used payment gateway in East Africa, supporting common cards and local mobile money services like MPESA, Airtel Money, and Tigo Pesa.

Accept PIX, cards, QR and bank transfers across Latin America (Argentina, Chile, Colombia and more).

Popular gateway mainly among European and English-speaking countries, accepting common cards and cryptocurrency

Accept credit and debit cards directly on your booking page — customers pay without leaving your site

Swish — Sweden's mobile payment. The customer approves the payment in the Swish app. Requires a Swish Handel agreement with your bank and a certificate from the Swish Portal.

Transbank is the most well-known payment gateway in Chile

Venmo lets customers in the United States pay in USD straight from the Venmo app. It runs on your existing US PayPal business account and the same REST Client ID and secret as PayPal — no separate Venmo signup — and the button only appears to eligible US buyers on supported devices.

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