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Sebastian Siemiatkowski

Verified account Klarna

@klarnaseb

Co-founder & CEO @Klarna. Building the world's most consumer-obsessed bank, 100M+ active customers, soon 1M+ merchants, smarter credit, lower cost.
klarna.com Joined April 2011
443 Following 49K Followers 4K Posts

Latest posts 5

Sebastian Siemiatkowski Verified account @klarnaseb
When you have been in the game for 20 years... stopping agents to do work for the customer, is the same I have seen for such a long time. But they will not be stopped.
Sebastian Siemiatkowski Verified account @klarnaseb Jan 25, 2025
NOTE: Using OpenAi Operator at your bank in EU is illegal by law! Web access for assistants was banned years ago as part of “Open banking”

Here is the story of why:

15 years ago I stumbled into Sofort in Germany. A company with the idea to build a digital assistant that would interact with your banks poor UI, so you as a user could avoid it. Just like operator. Back then it was script based, not AI but it worked.

I was so impressed Klarna bought the company. It has since then processed billions of dollars.

But of course banks got scared! What happens if people use the digital assistant only, instead of their bank. And what if the assistant says, stop paying those fees to your bank and let me help you switch?

So German banks sued. They claimed privacy concerns. It went to Brussels and a long lobbying and legal fight pursued. This was the beginning of what we today call open banking!

I and others spent years fighting over consumers right to use digital assistants, when accessing their banks. We knew this was critical to create real competition, in an industry that has been plagued by excess profits for years.

At first Jonathan Hill from UK was responsible and very supportive. But then he left and a German guy came onboard. He was 100% aligned with incumbent banks and we thought the case was lost. However he did a mistake and let some Russian oligarchs take him for a ride on their private jet. And so he was out.

Finally @VDombrovskis stepped in. He was smart and supportive but pressure from banks was intense. There was rumors that they were funding privacy groups in Germany, to have them use privacy concerns to kill Open Banking. What if the digital assistant accessed some of your private data?

We were about to loose the vote, when the competitive authorities of EU started getting interested. They suspected the banks were lobbying and pursuing this matter for profit reasons to reduce competition(really…). A few weeks before the vote in parliament they raided the offices of some Dutch and Polish banks. Everyone got super nervous and the Open Banking regulation was passed!

Almost…

A small technical detail was left to EBA (European banking authorities). Should your digital assistant use an API for access to your bank account or the standard web UI you use yourself for accessing your bank?

We pushed as hard as we could. We highlighted and said, if your assistant is mandated to use the API that your bank supplies. What if the API don’t support all the same features. Or the API is broken?

Don’t worry said regulators. You can complain with authorities 😂

We said at least let the digital assistant, as fall back, use the web UI. Then banks cant cheat, as they will know we can always use the same UI as their human customers. It’s called self regulation. But EBA ignored us.

Today web UI access for digital assistants as ChatGPT Operator is illegal by law.

And surprise, surprise the open banking API of European banks, continue to be broken, lack functionality and banks add as much friction as they can. We report and see thousands of issues with these APIs every year.

And people ask me why open banking has not become a larger success…

What do you say @donaldtusk time for a change? Jest potrzebne!
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Sebastian Siemiatkowski Verified account @klarnaseb
I asked Grok what expected impact JEV could have on enterprise token consumption from frontier labs…

“Volume mix: if 40–60% of an enterprise’s current frontier-token bill is decision-shaped (typical in agent-heavy and workflow-heavy stacks), that portion can shrink dramatically.
• Net spend impact: a 30–70% reduction in tokens/dollars sent to the main frontier models is a reasonable planning range if Jev stays reliable and available at advertised price/latency. The remaining spend concentrates on the tasks that still need generation or System-2 reasoning.”
23 replies 5 reposts 87 likes 22K views View on X
Sebastian Siemiatkowski Verified account @klarnaseb
This is a personally proud moment for me.

@Klarna is now the leasing provider for @Apple Upgrade, a new way to lease iPhone, Mac, iPad and Apple Watch, live today across Apple Store online, the Apple Store app, and Apple stores in the US.

Low monthly payments and a clear end date for you to choose what’s next: return the device and upgrade, buy it outright, or return it and exit the program.

When two brands that obsess over the customer experience team up, this is what it looks like: simple, seamless, and built around what's best for the customer. It's been incredible to see @Apple and @Klarna bring this program to life, giving consumers another way to access the world's best products.

Excited for consumers to experience this!
41 replies 31 reposts 548 likes 67K views View on X