Klarna

Klarna Checkout API

The Checkout API from Klarna — 3 operation(s) for checkout.

GitHub OpenAPI
Business capability
Payment Initiation Management BC-1340.10

Operations 4

POST /checkout/v3/orders Create an order #
POST /checkout/v3/orders/{order_id} Update an order #
GET /checkout/v3/orders/{order_id} Get order details #
POST /checkout/v3/orders/{order_id}/abort Abort an order #

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/klarna/refs/heads/main/openapi/klarna-checkout-api-openapi.yml

Other Resources

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Overlay
https://raw.githubusercontent.com/api-evangelist/klarna/refs/heads/main/overlays/klarna-checkout-overlay.yaml

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OpenAPI Specification

klarna-checkout-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  description: The checkout API is used to create a checkout with Klarna and update the checkout order during the purchase. As soon as the purchase is completed the order should be read and handled using the Order Management API. Read more on Klarna checkout.
  version: 1.0.0
  title: V3 Checkout API
servers:
- url: https://api.klarna.com
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/klarna/refs/heads/main/openapi/klarna-checkout-api-openapi.yml