Siemiatkowski: Login-gated APIs prevent AI models from assisting integrations
Sebastian Siemiatkowski · Inside Klarna's IPO CEO Sebastian Siemiatkowski · Sourcery with Molly O'Shea · Sep 12, 2025 · at 17:43
Klarna CEO Sebastian Siemiatkowski explains how Klarna evaluated software vendors based on whether AI models could easily reference their API documentation.
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“Their APIs are not public. They're hidden by a login. And the problem is because their API is hidden by a login. What does that mean? AI has not been trained on it. AI doesn't have access to it. So if we want to go to AI and ask, how do we change our integration to your software? It's not public, so AI doesn't know. If you're, like, Stripe has an API that's totally public, it's very easy to go and ask us about, like, how can I fix this on the Stripe API?”
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