curl --request POST \
  --url https://{host}/api/v1/users/{id}/terms \
  --header 'API-key: <api-key>' \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "approved": true
}
'

{
  "user_id": "<string>",
  "terms_approved": true,
  "approved_at": "<string>",
  "terms": {
    "code": "<string>",
    "title": "<string>",
    "url": "<string>"
  },
  "changed": true
}