curl --request POST \
  --url https://api.anysite.io/api/finma/intermediaries \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "intermediary": "<string>",
  "timeout": 300
}
'

[
  {
    "registration_number": "<string>",
    "name": "<string>",
    "@type": "@finma_intermediary",
    "legal_nature": "<string>",
    "address": "<string>",
    "legal_seat": "<string>",
    "authorised_as": "<string>",
    "registered_at": "<string>",
    "uid": "<string>",
    "insurance_branches": []
  }
]