Unzer

Unzer is a German payment platform unifying online, mobile, and point-of-sale payment acceptance for European businesses. Born from the merger of 13 specialised payment companies and originally founded as Heidelpay in 2003, it offers the UnzerOne modular platform — a single integration covering cards, digital wallets, alternative methods, and Buy Now Pay Later across all channels.

UnzerOne accepts payments via a unified API serving web checkouts, native mobile apps, and POS hardware terminals from the same integration point. Recurring payment flows are natively supported for subscriptions, with transaction management tools and analytics available through a centralised merchant dashboard.

Key benefits:

• UnzerOne unified platform covering online, mobile, and POS from one API
• Cards, wallets, and BNPL across all supported payment methods
• POS hardware terminals with NFC and EMV card support
• Recurring payments and subscription billing built in
• Centralised merchant dashboard for transaction management and analytics
• Multi-country support across Germany, Austria, Denmark, and Luxembourg

Unzer is headquartered in Berlin, Germany, with offices in Austria, Denmark, and Luxembourg, and is licensed as a payment institution under BaFin. Operating since 2003, it serves European merchants under PCI DSS, PSD2, and GDPR compliance with all data centres located in the EU.