August 11, 2026
How to Connect Mollie
Accept iDEAL, Bancontact, and other European payment methods.
What you'll need
A Mollie account — you get one API key per website in the Mollie dashboard.
Step 1 — Get your API key
Log in to dashboard.mollie.com and open Developers → API keys. Your live key starts with live_; your test key starts with test_.
Step 2 — Connect in SellDesk
- Open Settings → Payments.
- Expand the Mollie card.
- Paste your API Key.
- Save changes and toggle Mollie on.
Tip
Mollie lets you enable individual methods (iDEAL, Bancontact, credit card) inside your Mollie dashboard — enabled methods appear at checkout automatically.