Klarna · OpenAPI Overlay 1.0.0
API Evangelist conversational phrasing for Klarna HPP Captures Payments API
7 actions
7 updates
phrasing
extends
openapi/klarna-payments-api-openapi.yml
Generated by API Evangelist
Written by API Evangelist tooling for Klarna's API. It is a proposal applied on top of the contract, not a document Klarna publishes.
What the actions change
x-apievangelist-phrasing
Targets 7
$.info
$.paths['/payments/v1/sessions'].post
$.paths['/payments/v1/sessions/{session_id}'].get
$.paths['/payments/v1/sessions/{session_id}'].post
$.paths['/payments/v1/authorizations/{authorizationToken}'].delete
$.paths['/payments/v1/authorizations/{authorizationToken}/order'].post
$.paths['/payments/v1/authorizations/{authorizationToken}/customer-token'].post
OpenAPI Overlay
# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand.
overlay: 1.0.0
info:
title: API Evangelist conversational phrasing for Klarna HPP Captures Payments API
version: 1.0.0
extends: openapi/klarna-payments-api-openapi.yml
actions:
- target: $.info
update:
x-apievangelist-phrasing:
method: generated
generated: '2026-09-26'
generator: build-phrasing.py
label: Generated by API Evangelist
operations: 6
- target: $.paths['/payments/v1/sessions'].post
update:
x-apievangelist-phrasing:
intent: Start a payment session
effect: write
questions:
- How do I start a Klarna Payments session and get a client token for the browser?
- Which payment method categories can I offer for a given cart and country?
instructions:
- text: Create a payment session for {order_amount} {purchase_currency} in {purchase_country}.
slots:
order_amount: requestBody.order_amount
purchase_currency: requestBody.purchase_currency
purchase_country: requestBody.purchase_country
- text: Start a payment session for cart {order_lines} with intent {intent}.
slots:
order_lines: requestBody.order_lines
intent: requestBody.intent
method: generated
generated: '2026-09-26'
- target: $.paths['/payments/v1/sessions/{session_id}'].get
update:
x-apievangelist-phrasing:
intent: Get a payment session
effect: read
questions:
- What data has been collected so far in a payment session?
- Can I check a payment session's status after it's created?
instructions:
- text: Get payment session {session_id}.
slots:
session_id: path.session_id
- text: Show everything collected in payment session {session_id}.
slots:
session_id: path.session_id
method: generated
generated: '2026-09-26'
- target: $.paths['/payments/v1/sessions/{session_id}'].post
update:
x-apievangelist-phrasing:
intent: Update a payment session
effect: write
questions:
- The shopper added an item to the cart, how do I update their payment session?
- Can I change the customer details on a payment session after the checkout reloads?
instructions:
- text: Update payment session {session_id} to amount {order_amount}.
slots:
session_id: path.session_id
order_amount: requestBody.order_amount
- text: Replace the cart on payment session {session_id} with {order_lines}.
slots:
session_id: path.session_id
order_lines: requestBody.order_lines
method: generated
generated: '2026-09-26'
- target: $.paths['/payments/v1/authorizations/{authorizationToken}'].delete
update:
x-apievangelist-phrasing:
intent: Release an unused payment authorization
effect: destructive
questions:
- What do I do with an authorization token I'm not going to turn into an order?
- Can I cancel an authorization before any order is placed?
instructions:
- text: Cancel authorization {authorizationToken}.
slots:
authorizationToken: path.authorizationToken
- text: Release the unused payment authorization {authorizationToken}.
slots:
authorizationToken: path.authorizationToken
method: generated
generated: '2026-09-26'
- target: $.paths['/payments/v1/authorizations/{authorizationToken}/order'].post
update:
x-apievangelist-phrasing:
intent: Place an order from an authorization
effect: write
questions:
- After a successful authorization, how do I turn it into an order?
- Can I auto-capture when placing an order from an authorization token?
instructions:
- text: Place an order with authorization {authorizationToken} for {order_amount} {purchase_currency}.
slots:
authorizationToken: path.authorizationToken
order_amount: requestBody.order_amount
purchase_currency: requestBody.purchase_currency
- text: Create an order from authorization {authorizationToken} for cart {order_lines} shipped in {purchase_country}.
slots:
authorizationToken: path.authorizationToken
order_lines: requestBody.order_lines
purchase_country: requestBody.purchase_country
method: generated
generated: '2026-09-26'
- target: $.paths['/payments/v1/authorizations/{authorizationToken}/customer-token'].post
update:
x-apievangelist-phrasing:
intent: Save a customer token from an authorization
effect: write
questions:
- How can I store a customer's payment method for future charges after they authorize?
- Can I generate a reusable customer token instead of placing the order right away?
instructions:
- text: Generate a customer token from authorization {authorizationToken} for {intended_use} described as {description}.
slots:
authorizationToken: path.authorizationToken
intended_use: requestBody.intended_use
description: requestBody.description
- text: Create a reusable token from authorization {authorizationToken} in {purchase_country} with {purchase_currency} and locale {locale}.
slots:
authorizationToken: path.authorizationToken
purchase_country: requestBody.purchase_country
purchase_currency: requestBody.purchase_currency
locale: requestBody.locale
method: generated
generated: '2026-09-26'
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