Klarna API
/checkout/v3/* endpoint removal
Stopped workingSubscribe to Klarna APIShare
On September 15, 2026, Klarna shut down access to the /checkout/v3/* endpoints. Calls made to these endpoints fail since that date. Merchants operating through Kustom no longer have access to the Klarna Merchant Portal or Klarna's API.
Calls it hits
/checkout/v3/*
What to use instead of these calls
Switch to Kustom Checkout by sending requests to api.kustom.co using the same /checkout/v3 paths and parameters.
In Klarna API's words
Since September 15, 2026, merchants operating through Kustom no longer have access to the Klarna Merchant Portal or Klarna's API
Facts
- API
- Klarna API
api.klarna.com - Kind
- Endpoint removal
- Takes effect
- September 15, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
- Verified
- , against Klarna API's own pages
Questions
When does this change take effect?
Calls to /checkout/v3/* on Klarna API stopped working on September 15, 2026.
What happens to calls after September 15, 2026?
They have failed since September 15, 2026.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
You fixed this one by hand.
Okapi opens the pull request with the fix before the next breaking change reaches your code.