In 2021 Bing, Yandex, Seznam.cz, and (later, in 2023) Naver ended up implementing a standard where you can notify one search engine of a page update and the other participating search engines are also notified [1, 2, 3].

[1]: https://www.indexnow.org/

[2]: https://www.bing.com/indexnow

[3]: https://blogs.bing.com/webmaster/october-2021/IndexNow-Insta...