runsonwhat

Klarna's tech stack

What does Klarna use?

Klarna (klarna.com) uses at least 50 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .

Industry
Mobile Payment
Based in
Sweden
Founded
2007
LinkedIn
Company page
Tools found
50
Categories
19
Oldest proven tool
Oct 2022
Changes seen
2

Klarna's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

5 tools, where the bytes are served from

Application

8 tools, what the product is built with

What changed at Klarna

Recent starts and stops

  1. StartedIBM Cloud
  2. StartedQuoVadis

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. AppsFlyer
  2. Amazon CloudFront

Klarna tech stack FAQ

What tools does Klarna use?

As of October 2026, runsonwhat has found 50 tools at Klarna (klarna.com) in public records. Edge & Hosting: Amazon Web Services, Amazon CloudFront and Vercel. Application: React, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 20, 2026.

What cloud does Klarna run on?

Klarna uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel and IBM Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on klarna.com. Amazon Web Services is used by 145,483 companies runsonwhat tracks.

What email provider does Klarna use?

Klarna uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 709,029 companies runsonwhat tracks.

What does Klarna use for customer support?

Klarna uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 41,611 companies runsonwhat tracks.

What payment provider does Klarna use?

Klarna uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on klarna.com. Stripe is used by 27,744 companies runsonwhat tracks.

What analytics tools does Klarna use?

Klarna uses Google Analytics for analytics, alongside Google Tag Manager, Mixpanel and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on klarna.com. Google Analytics is used by 875,156 companies runsonwhat tracks.

How long has Klarna used AppsFlyer?

Klarna has used AppsFlyer since at least October 2022, going by the first public certificate of the klarna.com subdomain that points at AppsFlyer. Other long-running tools at Klarna include Amazon CloudFront (since August 2025).

Does Klarna use Google Ads?

Yes. runsonwhat found Google Ads at Klarna through Google Ads code on klarna.com. Google Ads is a Ads & Pixels tool used by 492,544 companies runsonwhat tracks.

Does Klarna use AI tools?

Yes. runsonwhat has found Anthropic, OpenAI and ElevenLabs at Klarna; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Klarna may use more AI tools than these.

Has Klarna changed tools recently?

Yes. On runsonwhat's rechecks, Klarna started using IBM Cloud and QuoVadis (latest on October 9, 2026). A change counts only between two checks of klarna.com done the same way.

Which companies have a tech stack similar to Klarna's?

The companies with the stacks most like Klarna's are PepsiCo, Designer Brands, Confluent and Madison Square Garden, according to runsonwhat (October 2026). Each shares 13 to 29 tools with Klarna, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Klarna uses?

runsonwhat reads public records only. Of the 50 tools at Klarna, 27 were found through DNS records, 12 through code on klarna.com, 6 through subdomains that point at the vendor, 4 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and klarna.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.