Mollie

Mollie API provides comprehensive payment processing with straightforward REST architecture and API key authentication. Supports 90+ endpoints covering payments, refunds, customers, orders, subscriptions, and settlement management.

The Payments API enables three-step payment flow: create payment, redirect to hosted checkout, process webhook upon completion. Extensive payment method coverage including credit/debit cards, wallets (Apple Pay, PayPal), SEPA, iDEAL, Bancontact, gift cards, vouchers, and buy-now-pay-later options like Klarna. Orders API mandatory for pay-after-delivery methods.

Real-time webhook notifications for payment status updates. Payment Links API for shareable long-lived payment URLs via email or chat. Mollie.js for embedded checkout customization. Customers API manages recurring payments and mandates. Point-of-sale payment processing available.

Official SDKs for PHP, JavaScript (Node), Python, and Ruby. Mollie Connect APIs enable white-label solutions and multi-account fund distribution for platforms. Free tier available with pay-per-transaction pricing. Staging and production environments. Dashboard for payment insights and profile management.