Klarna has some very nice features for checkout/payment, marketing and Ad solutions such as google shopping.

Checkout - https://www.klarna.com/uk/business/products/checkout/
Payments - https://docs.klarna.com/klarna-payments/
Marketing - https://www.klarna.com/uk/business/marketing-solutions/
Google Shopping - https://www.klarna.com/uk/business/marketing-solutions/css/
Influencer marketing - https://www.klarna.com/uk/business/marketing-solutions/creator-platform/

Bringing together payment and marketing will greatly improve marketing efficiency and be of great benefit to ECT customers not to mention the enhanced competitive offering of ECT.

Many thanks,

John