Question 1

How many companies use authorize.net vs Klarna Checkout?

Accepted Answer

77 companies use authorize.net and 207 companies use Klarna Checkout in our database. Klarna Checkout is more widely adopted with 2.7x more companies than authorize.net.

Question 2

What percentage of authorize.net users also use Klarna Checkout?

Accepted Answer

5% of companies using authorize.net also use Klarna Checkout (4 companies). This overlap suggests the tools serve complementary rather than competing purposes.

Question 3

Which industries prefer authorize.net over Klarna Checkout?

Accepted Answer

The top industries using authorize.net are E-commerce & Retail, Media & Content, Hospitality & Travel, Education & Learning, Healthcare & Life Sciences. For Klarna Checkout, the top industries are E-commerce & Retail, Hospitality & Travel, Media & Content, Financial Services & Fintech, Healthcare & Life Sciences.

Question 4

Can I get a list of companies using both authorize.net and Klarna Checkout?

Accepted Answer

Yes. AgentData tracks 4 companies that use both authorize.net and Klarna Checkout. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

	authorize.net	Klarna Checkout
Companies	77	207
Category	Payment processors	Payment processors
Emails available	202	314
Overlap	5% of authorize.net users also use Klarna Checkout (4 companies)

authorize.net vs Klarna Checkout

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Company adoption

Top industries

Top companies using authorize.net

Top companies using Klarna Checkout

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