# Klarna Categories Children API (https://www.socialcrawl.dev/platforms/klarna/categories-children) > Returns one Klarna category and its children. t1 (TV and Audio) returned Headphones as cl94. Unknown category ids return 404 and are not billed. TL;DR: `GET /v1/klarna/categories/children` costs 1 credit per call and returns SocialCrawl's unified JSON schema. Single x-api-key auth, 100 free credits on signup. ## Parameters | Parameter | Required | Description | | --- | --- | --- | | `category_id` | yes | Klarna category id, for example cl94 for Headphones or t1 for TV and Audio. Ids come from GET /v1/klarna/categories and from search rows as category.id. Required for GET /v1/klarna/product when you pass product_id instead of a shopping URL. | | `region` | no | Shopping region: usa (default), uk, germany, sweden, france, italy, spain, netherlands, austria, ireland, norway, finland, denmark. Changes currency, language, and the merchant set. (usa \| uk \| germany \| sweden \| france \| italy \| spain \| netherlands \| austria \| ireland \| norway \| finland \| denmark) | ## Code example ```bash curl "https://www.socialcrawl.dev/v1/klarna/categories/children?category_id=t1" \ -H "x-api-key: sc_YOUR_API_KEY" ``` See the full Klarna API: https://www.socialcrawl.dev/platforms/klarna ## Pricing - Standard endpoints: 1 credit per call - Advanced endpoints: 5 credits per call - Premium endpoints: 10 credits per call - 100 free credits on signup, no credit card required. Cached responses cost 0 credits. Credit packs never expire. - Full pricing: https://www.socialcrawl.dev/pricing