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GET
Look up a company in the company registry

Authorizations

Authorization
string
header
required

Personal API key, e.g. Authorization: Bearer sajn_sk_.... Not scope-limited — acts as the issuing user.

Headers

Sajn-Version
enum<string>

API version for this request. Without it, the request uses the organization's default version; an organization without a default is pinned to the latest version by its first request.

Available options:
2026-09,
2026-10

Path Parameters

orgNumber
string
required

Organization number of the company, with or without a hyphen

Minimum string length: 1
Example:

"5560000000"

Response

Company details from the external company registry, including signatories

Company details from the external company registry, including signatories

basic
object
required
contact
object
required
taxInfo
object
required
business
object
required
responsiblePersons
object
required
location
object
required