问题描述
关于通过Facebook Messenger发送视频附件所需的大小和格式，至少在以下文档中没有指示： https://developers.facebook.com/docs/messenger-platform/send-api-reference/video-attachment 。
There is no indication as to the the size and format that a video attachment needs to be when being sent through Facebook Messenger, at least in the documentation here: https://developers.facebook.com/docs/messenger-platform/send-api-reference/video-attachment.
大小有限制吗？需要使用什么格式？
Is there a limit on size? What format does it need to be in?
推荐答案
我也在寻找这些信息。我决定尝试上传不同大小的文件，看看会发生什么。当您尝试上传超过25MB的文件时，Facebook Messenger会显示一条错误消息，指出25MB是极限（嘿！）。
I was looking for this information too. I decided to try to upload files of different size to see what happen. When you try to upload files bigger than 25MB, Facebook Messenger display a error message stating that 25MB is the limit (hey!).
请注意，我在一般的文件，而不是特定于视频。
Note that I tested that on a generic file, not specifically on a video.
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