curl --request GET \
  --url https://api.member.dev/me/billing-portal-links \
  --header 'Authorization: Bearer <token>'

{
  "errors": [
    {
      "status": "<string>",
      "title": "<string>",
      "code": "<string>",
      "detail": "<string>",
      "id": "<string>",
      "meta": {},
      "source": {}
    }
  ],
  "meta": {}
}