curl --request GET \
  --url https://api.proposales.com/v3/companies/{companyId}/templates \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "title": "<string>",
      "uuid": "<string>",
      "language": "<string>",
      "background_image_uuid": "<string>"
    }
  ]
}