Authorize.Net is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Klarna has better usage coverage in more websites categories. Including Shopping, Business & Industry, Arts & Entertainment, People & Society and 130 other categories.
Authorize.Net is leading in Health, Home & Garden, Autos & Vehicles, Food & Drink and 84 other categories.
Klarna is leading in most countries, including Sweden, Germany, Norway, Finland and 141 other countries.
Authorize.Net is leading in United States, Canada, Costa Rica, Puerto Rico and 22 other countries.