Klarna Captures API is the capture part of Klarna's merchant order management. A merchant uses it to take payment on orders that a customer has already been approved for, which is a core step once goods ship. The API has 6 operations for captures, and it is served from api.klarna.com.
This listing is posted by the APIs.io catalog. APIs.io does not own or sell this API; access comes from the provider, Klarna. Klarna Bank AB is a Swedish licensed bank and payments network serving 150M+ consumers and 600k+ merchants with buy-now-pay-later, financing, cards and banking. Its developer estate also covers payment sessions, hosted checkout, refunds, cancellations, customer tokens, settlement payouts and reporting. It would suit merchants, e-commerce platform builders and payments engineers who need to finish orders programmatically.
What is published for it: OpenAPI, Overlay and JSON Schema artifacts. Human documentation is at https://docs.klarna.com/klarna-payments/. Authentication for the provider is HTTP Basic with a Klarna-issued API key, and signup is self-serve.
Provider quality signals in the catalog: Kin Score 73.6 (exemplar band) and Agent Readiness 46 (agent-native band, scored 2026-11-06). The catalog notes Klarna has no MCP server.
Pricing: set by the provider
Condition: a live hosted API listed in the APIs.io catalog; you call the provider's own endpoint.
Catalog listing: https://apis.io/apis/klarna/klarna-captures-api/ Provider: https://www.klarna.com/