Klarna

Klarna is a Swedish fintech offering BNPL, banking, cards, and a shopping app to 150M+ consumers. Merchant API supports Pay-in-3, Pay-in-30, and financing.

5 APIs 1 Capabilities 0 Features

FintechBNPLPaymentsCardsShopping

APIs

Klarna Payments API

Create and authorize Klarna payment sessions; create orders against authorizations.

Klarna Checkout API

Hosted Klarna Checkout (KCO) for full-funnel checkout experience.

Klarna Order Management API

Capture, refund, cancel and update orders post-authorization.

Klarna Customer Token API

Persist a payment authorization as a customer token for repeat purchases.

Klarna Settlements API

Read merchant settlement reports and transactions.

Capabilities

Run Capabilities with Naftiko — Deploy and orchestrate these API capabilities using Naftiko Fleet.

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Klarna HPP

Hosted Payment Page (HPP) API is a service that lets you integrate Klarna Payments without the need of hosting the web page that manages the client side of Klarna Payments.

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Run Capabilities with Naftiko — Deploy and orchestrate these API capabilities using Naftiko Fleet.

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Resources

Sources

aid: klarna
url: https://raw.githubusercontent.com/api-evangelist/klarna/refs/heads/main/apis.yml
name: Klarna
x-type: company
description: Klarna is a Swedish fintech offering BNPL, banking, cards, and a shopping app to 150M+ consumers. Merchant API
  supports Pay-in-3, Pay-in-30, and financing.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
tags:
- Fintech
- BNPL
- Payments
- Cards
- Shopping
created: '2026-05-08'
modified: '2026-05-08'
specificationVersion: '0.19'
apis:
- name: Klarna Payments API
  description: Create and authorize Klarna payment sessions; create orders against authorizations.
  humanURL: https://docs.klarna.com/klarna-payments/
  baseURL: https://api.klarna.com
  tags:
  - Payments
  - BNPL
  properties:
  - type: Documentation
    url: https://docs.klarna.com/klarna-payments/
- name: Klarna Checkout API
  description: Hosted Klarna Checkout (KCO) for full-funnel checkout experience.
  humanURL: https://docs.klarna.com/klarna-checkout/
  baseURL: https://api.klarna.com
  tags:
  - Checkout
  - Hosted
  properties:
  - type: Documentation
    url: https://docs.klarna.com/klarna-checkout/
- name: Klarna Order Management API
  description: Capture, refund, cancel and update orders post-authorization.
  humanURL: https://docs.klarna.com/order-management/
  baseURL: https://api.klarna.com
  tags:
  - Order Management
  properties:
  - type: Documentation
    url: https://docs.klarna.com/order-management/
- name: Klarna Customer Token API
  description: Persist a payment authorization as a customer token for repeat purchases.
  humanURL: https://docs.klarna.com/customer-token/
  baseURL: https://api.klarna.com
  tags:
  - Tokens
  - Recurring
  properties:
  - type: Documentation
    url: https://docs.klarna.com/customer-token/
- name: Klarna Settlements API
  description: Read merchant settlement reports and transactions.
  humanURL: https://docs.klarna.com/settlements/
  baseURL: https://api.klarna.com
  tags:
  - Settlements
  - Reporting
  properties:
  - type: Documentation
    url: https://docs.klarna.com/settlements/
common:
- type: Website
  url: https://www.klarna.com/
- type: Plans
  url: plans/klarna-plans-pricing.yml
- type: RateLimits
  url: rate-limits/klarna-rate-limits.yml
- type: FinOps
  url: finops/klarna-finops.yml
maintainers:
- FN: Kin Lane
  email: [email protected]