# Klarna on Onekey

> 18 endpoints for Klarna (0 stable, 18 beta), 2 credits each. Category: E-commerce & marketplaces. One key, one JSON shape.

Base URL: https://api.onekey.dev
Auth: header `x-api-key: <key>`. Call shape: `GET /v1/{platform}/{endpoint}?{params}`.
Every response is `{success, data, metadata, error}`; check `success` first. Cost is in `metadata.credits_charged`. Free when served from cache (0.2 credit for a cached response over 100 KB). Failed and not-found calls are refunded.
Status: stable = verified against the live source; beta = not yet verified, fields may be missing.
Access: 18 of 18 endpoints are marked "needs a pack" or "may need a pack": free-grant credits reach only the open fetch path; a verified email and a purchased pack unlock the rest.

Page: https://onekey.dev/platforms/klarna
Reference (Markdown): https://onekey.dev/docs/api/klarna.md
All docs: https://onekey.dev/llms.txt

## Canonical fields returned

Unified-schema fields (same names on every platform), with how many of the 18 mapped Klarna endpoints return each:

- `entity.name` (string): 12
- `entity.id` (string): 11
- `entity.url` (URL): 9
- `entity.stats.rating` (number): 7
- `listing.currency` (string): 7
- `listing.price` (number): 7
- `entity.description` (string): 6
- `entity.stats.ratingCount` (integer): 6
- `media.thumbnailUrl` (URL): 6
- `listing.brand` (string): 5
- `content.createdAt` (ISO 8601 date): 3
- `content.text` (string): 3
- `content.title` (string): 3
- `entity.type` (string): 3
- `author.displayName` (string): 2
- `content.id` (string): 2
- `engagement.votes` (integer): 2
- `entity.slug` (string): 2
- `content.url` (URL): 1
- `listing.available` (boolean): 1
- `listing.condition` (string): 1
- `listing.seller` (string): 1
- plus 6 platform-specific fields under `ext.`

## Endpoints

### klarna.categories

List root shopping categories on Klarna.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/categories` with header `x-api-key: YOUR_API_KEY`
- Parameters: none
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`
- Reference: https://onekey.dev/docs/api/klarna/categories.md

### klarna.categories_children

List sub-categories of a Klarna category.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/categories_children?category_id=cl94` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category_id` (string, required): Category id or slug, as returned by the categories endpoint
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.slug`
- Reference: https://onekey.dev/docs/api/klarna/categories_children.md

### klarna.category

Browse products in a Klarna category.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/category?category_id=cl94` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category_id` (string, required): Category id or slug, as returned by the categories endpoint
  - `cursor` (string, optional): Opaque cursor from a previous response's `pagination.next_cursor`. Omit for the first page.
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `media.thumbnailUrl`, `listing.price`, `listing.currency`, `listing.brand`, `entity.stats.rating`, `entity.stats.ratingCount`
- Reference: https://onekey.dev/docs/api/klarna/category.md

### klarna.category_filters

Filters available for a Klarna category.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/category_filters?category_id=cl94` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category_id` (string, required): Category id or slug, as returned by the categories endpoint
- Fields returned: `entity.id`, `entity.name`, `entity.type`
- Reference: https://onekey.dev/docs/api/klarna/category_filters.md

### klarna.category_guide

Buying-guide content for a Klarna category.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/klarna/category_guide?category_id=cl94` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category_id` (string, required): Category id or slug, as returned by the categories endpoint
- Fields returned: `content.title`, `content.text`, `content.url`
- Reference: https://onekey.dev/docs/api/klarna/category_guide.md

### klarna.category_keywords

Popular search keywords for a Klarna category.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/category_keywords?category_id=cl94` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `category_id` (string, required): Category id or slug, as returned by the categories endpoint
- Fields returned: `entity.name`, `ext.searchVolume`
- Reference: https://onekey.dev/docs/api/klarna/category_keywords.md

### klarna.product

A Klarna product by id.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/klarna/product?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `media.thumbnailUrl`, `listing.price`, `listing.currency`, `listing.brand`, `entity.stats.rating`, `entity.stats.ratingCount`
- Reference: https://onekey.dev/docs/api/klarna/product.md

### klarna.product_compare

Compare two Klarna products side by side.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/product_compare?product_id=123456789&product_id_2=987654321` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, required): Product id as it appears on the product page URL
  - `product_id_2` (string, required): Second product id to compare against
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `media.thumbnailUrl`, `listing.price`, `listing.currency`, `listing.brand`, `entity.stats.rating`, `entity.stats.ratingCount`, `ext.differences`
- Reference: https://onekey.dev/docs/api/klarna/product_compare.md

### klarna.product_offers

Merchant offers for a Klarna product.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/product_offers?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
- Fields returned: `entity.id`, `listing.seller`, `entity.url`, `listing.price`, `listing.currency`, `listing.condition`, `listing.available`
- Reference: https://onekey.dev/docs/api/klarna/product_offers.md

### klarna.product_price_history

Price history of a Klarna product.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/product_price_history?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
- Fields returned: `content.createdAt`, `listing.price`, `listing.currency`
- Reference: https://onekey.dev/docs/api/klarna/product_price_history.md

### klarna.reviews

User reviews for a Klarna product.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/reviews?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
  - `cursor` (string, optional): Opaque cursor from a previous response's `pagination.next_cursor`. Omit for the first page.
- Fields returned: `content.id`, `content.title`, `content.text`, `content.createdAt`, `author.displayName`, `engagement.votes`, `ext.rating`
- Reference: https://onekey.dev/docs/api/klarna/reviews.md

### klarna.reviews_overview

Review totals and score distribution of a Klarna product.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: one record.
- Request: `GET https://api.onekey.dev/v1/klarna/reviews_overview?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
- Fields returned: `entity.stats.rating`, `ext.total`, `ext.oneStar`, `ext.fiveStar`
- Reference: https://onekey.dev/docs/api/klarna/reviews_overview.md

### klarna.reviews_pro

Professional reviews of a Klarna product.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/reviews_pro?product_id=123456789` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `product_id` (string, optional): Product id as it appears on the product page URL
  - `url` (string, optional): Full URL of the product page (alternative to the id)
  - `cursor` (string, optional): Opaque cursor from a previous response's `pagination.next_cursor`. Omit for the first page.
- Fields returned: `content.id`, `content.title`, `content.text`, `content.createdAt`, `author.displayName`, `engagement.votes`, `ext.rating`
- Reference: https://onekey.dev/docs/api/klarna/reviews_pro.md

### klarna.search

Search Klarna products by keyword.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/search?query=headphones` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `query` (string, required): Search query
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `media.thumbnailUrl`, `listing.price`, `listing.currency`, `listing.brand`, `entity.stats.rating`, `entity.stats.ratingCount`
- Reference: https://onekey.dev/docs/api/klarna/search.md

### klarna.search_suggestions

Search suggestions for Klarna.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/search_suggestions?query=headphones` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `query` (string, required): Search query
- Fields returned: `entity.name`, `entity.type`
- Reference: https://onekey.dev/docs/api/klarna/search_suggestions.md

### klarna.store_filters

Filters available on a Klarna store page.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/store_filters?id=gucci` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): Klarna store id, as returned by the stores endpoint
- Fields returned: `entity.id`, `entity.name`, `entity.type`
- Reference: https://onekey.dev/docs/api/klarna/store_filters.md

### klarna.store_products

Products listed by a Klarna store.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/store_products?id=gucci` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `id` (string, required): Klarna store id, as returned by the stores endpoint
  - `cursor` (string, optional): Opaque cursor from a previous response's `pagination.next_cursor`. Omit for the first page.
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `media.thumbnailUrl`, `listing.price`, `listing.currency`, `listing.brand`, `entity.stats.rating`, `entity.stats.ratingCount`
- Reference: https://onekey.dev/docs/api/klarna/store_products.md

### klarna.stores

List shopping stores on Klarna.
- Price: 2 credits per fresh call. Status: beta. Access: needs a pack. Returns: a list.
- Request: `GET https://api.onekey.dev/v1/klarna/stores` with header `x-api-key: YOUR_API_KEY`
- Parameters:
  - `cursor` (string, optional): Opaque cursor from a previous response's `pagination.next_cursor`. Omit for the first page.
- Fields returned: `entity.id`, `entity.name`, `entity.url`, `entity.description`, `entity.stats.rating`, `entity.stats.ratingCount`, `media.thumbnailUrl`
- Reference: https://onekey.dev/docs/api/klarna/stores.md

## Sample request

```bash
curl "https://api.onekey.dev/v1/klarna/category_guide?category_id=cl94" \
  -H "x-api-key: YOUR_API_KEY"
```