curl --request POST \
  --url http://sandbox.mintlify.com/business/kyb/start \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "business_id": "<string>",
  "documents_required": [
    "<string>"
  ]
}
'

{
  "kyb_id": "<string>",
  "required_documents": [
    "<string>"
  ]
}