How to connect Klarna with ChatGPT

Connect ChatGPT to Klarna MCP. List recent klarna orders awaiting capture, retrieve details for klarna order 12345, and more using natural language, with authentication handled for you.

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Klarna is a merchant payments platform for checkout, payments, orders, and settlements. It helps businesses offer flexible payment options with streamlined payment operations.

58 Tools

How to connect Klarna MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn a goal into finished materials like sheets, slides, and docs, not just answers.

In this guide, I will explain the easiest and most secure way to connect your Klarna account to ChatGPT via Composio Connect, so it can create payment sessions, manage orders, retrieve settlements, and issue customer tokens through natural language commands without ever putting your account credentials at risk.

Also integrate Klarna with

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Klarna integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,700+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Klarna to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread Klarna messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize Klarna.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

In ChatGPT, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting Klarna

  • List recent Klarna orders awaiting capture
  • Retrieve details for Klarna order 12345
  • Check settlement status for last month

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

Every Klarna action and event your agent gets out of the box.

Abort Checkout Order

Irreversibly abort an incomplete legacy Klarna Checkout order.

Accept Dispute Loss

Irreversibly request acceptance of the financial loss for a Klarna dispute.

Acknowledge Order

Acknowledge receipt of a Klarna order so order processing can continue.

Add Capture Shipping Info

Append shipping carrier and tracking information to a Klarna capture.

Add Order Shipping Info

Append shipping carrier and tracking information to a Klarna order.

Cancel Authorization

Irreversibly cancel a Klarna payment authorization before an order is created from it.

Cancel Order

Irreversibly cancel an uncaptured Klarna order that is not closed.

Capture Order

Irreversibly capture all or part of an authorized Klarna order and return the created capture ID.

Create Card Promise

Create a Klarna card promise for an order.

Create Card Settlement

Create a Klarna settlement for a completed order and issue its encrypted virtual cards.

Create Checkout Order

Create a legacy Klarna Checkout V3 order and return its checkout details.

Create Customer Token From Authorization

Create a reusable Klarna customer token from a payment authorization token for subscription purchases.

Create HPP Session

Create a Hosted Payment Page session from an existing Klarna Payments session or Checkout order URL.

Create Order From Authorization

Create a Klarna order from a customer authorization token.

Create Order From Customer Token

Create a Klarna order using a reusable customer token.

Create Payment Session

Create a Klarna Payments session and return its session ID, sensitive client token, and available payment method categories.

Disable HPP Session

Irreversibly disable a Klarna Hosted Payment Page session that has not completed.

Distribute HPP Session

Distribute a Klarna Hosted Payment Page link by email, SMS, or a documented token access ID.

Download Dispute Attachment

Download a merchant or customer evidence attachment from a Klarna payment dispute as a bounded file reference.

Download Payout PDF

Download the PDF settlement report for one payout.

Download Payouts Summary PDF

Download a PDF payout summary for a payout date-time range.

Download Payouts Summary Transactions CSV

Download a CSV summary of Klarna payouts and transactions for an inclusive payout date-time range.

Download Payout Transactions CSV

Download a CSV report containing one payout and its transactions.

Enroll Dispute Merchant

Irreversibly activate Disputes v3 handling for one direct Klarna merchant account.

Enroll Dispute Partner

Irreversibly activate Disputes v3 handling for one Klarna partner account.

Extend Capture Due Date

First call KLARNA_LIST_CAPTURE_DUE_DATE_OPTIONS for this order and capture, then extend the payment due date using one returned option.

Extend Order Authorization Time

Extend the authorization validity period for an order that is still AUTHORIZED and delayed unexpectedly.

Get Capture

Return one Klarna capture by order ID and capture ID.

Get Card Promise

Retrieve a Klarna card promise and its card specifications.

Get Card Settlement

Retrieve a Klarna card settlement by settlement ID or by its associated order ID.

Get Checkout Order

Return a legacy Klarna Checkout order by order ID.

Get Customer Token

Return a reusable Klarna customer token and its current status.

Get Dispute

Return a fully detailed Klarna Disputes v3 record, including associated merchant and customer evidence.

Get HPP Session

Return the current details and distribution state of a Klarna Hosted Payment Page session.

Get Order

Return a Klarna order and its current authorization, capture, refund, shipping, and customer details.

Get Payment Session

Return the current details of a Klarna Payments session by session ID.

Get Payout

Return one Klarna payout by payment reference.

Get Payout Summary

Return Klarna payout totals grouped by currency for an inclusive payout date-time range.

Get Refund

Return one Klarna refund by order ID and refund ID.

Get VCC Order Cancellation

Retrieve the asynchronous cancellation status for a Klarna order with a Virtual Credit Card settlement.

List Capture Due Date Options

List the due-date extension options available for a Klarna capture.

List Disputes

Return one page of Klarna Disputes v3 records using all documented filters.

List Order Captures

Return all captures recorded for a Klarna order.

List Payouts

Return one offset-controlled page of Klarna payouts, optionally filtered by payout date range and currency.

List Settlement Transactions

Return one offset-controlled page of Klarna settlement transactions, optionally filtered by payout reference or order ID.

Refund Order

Irreversibly create a full or partial Klarna refund and return the created refund ID.

Release Remaining Authorization

Irreversibly release the uncaptured authorization remaining on a Klarna order.

Request Customer Token Cancellation

Request asynchronous cancellation of a reusable Klarna customer token by changing its status to CANCELLED.

Request VCC Order Cancellation

Irreversibly request cancellation of a Klarna order associated with a Virtual Credit Card settlement.

Resend Capture Customer Communication

Irreversibly resend Klarna customer communication for a capture.

Respond to Dispute

Submit reason-specific merchant evidence for a Klarna dispute request.

Update Checkout Order

Update a legacy Klarna Checkout order and return the resulting order.

Update Order Authorization

Update the authorized amount and order lines on an existing order.

Update Order Customer Details

Update the permitted customer address details on an existing order.

Update Order Merchant References

Update the merchant reference values stored on a Klarna order.

Update Payment Session

Update mutable data on an existing Klarna Payments session, including order amounts and lines, customer and billing or shipping addresses, merchant references and URLs, purchase locale and currency, payment options, and session intent.

Upload Dispute Attachment

Upload one merchant evidence attachment to a Klarna payment dispute.

Upload Dispute Attachments

Upload 1-10 merchant evidence attachments to one Klarna payment dispute, sequentially in input order.

FAQ

Frequently asked questions

With a standalone Klarna MCP server, the agents and LLMs can only access a fixed set of Klarna tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Klarna and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. ChatGPT fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Klarna tools.

Yes, absolutely. You can configure which Klarna scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Klarna data and credentials are handled as safely as possible.

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