Client error: `GET https://www.mailjet.com/de/wp-json/oembed/1.0/embed?url=https%3A%2F%2Fwww.mailjet.com%2Fde%2Froad-to-inbox%2Fchapter%2Ftechnische-email-zustellbarkeit%2F` resulted in a `429 Too Many Requests` response:
429 Too Many Requests
429 Too Many Requests
(truncated...)