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They reverse engineered the Reddit API used by the official web client. It's not the same as the public API. Shutting down this API would break the website.

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I'm definitely sure that (at least) Teddit uses official APIs (https://codeberg.org/teddit/teddit/wiki#oauth-vs-non-oauth). Are you confusing it with Nitter (which does use Twitter's undocumented APIs)?

Yes, oops!

> They reverse engineered the Reddit API used by the official web client.

Curious, how do they get away with CORS?

Its handled at the server level

CORS is enforced within browsers, not servers. Libreddit and teddit require you to self host or use publicly hosted instances.

Ah, I thought they are simply JS UIs to reddit servers. That explains it, thanks.

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