/onebox?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DM0ZmR6UU_8k&refresh=true https://www.youtube.com/watch?v=M0ZmR6UU_8k When you directly insert a YouTube URL into a post, onebox url will return a 404 error.

Onebox url 404

Lilly July 24, 2025, 6:18am 2

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