Deployed to the edge function, the request always reports a 525 error. about deeplx HOT 6 CLOSED

An SSL Handshake Failure or Error 525 means that the server and browser were unable to establish a secure connection. This can happen for a variety of reasons. However, it's also important to understand that SSL errors can happen on the client-side or the server-side.

My guess is that vercel's IP may be blocked by DeepL.

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maybe your id and headers are not right.

const id = 1000*(Math.floor(Math.random() * 99999) + 8300000)+1;

headers: { 
             "Content-Type": "application/json; charset=utf-8", 
             "Accept": "*/*", 
             "x-app-os-name": "iOS", 
             "x-app-os-version": "16.3.0", 
             "Accept-Language": "en-US,en;q=0.9", 
             "Accept-Encoding": "gzip, deflate, br", 
             "x-app-device": "iPhone13,2", 
             "User-Agent": "DeepL-iOS/2.6.0 iOS 16.3.0 (iPhone13,2)", 
             "x-app-build": "353933", 
             "x-app-version": "2.6", 
             "Connection": "keep-alive", 
         },

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The actual test, id and headers actually can not need to specify, I do so only to request more like the official client. @ShevonKuan

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If not specify the headers it will return 525 or 429 error sometimes. And if the id is wrong, it always return 429 error. So I think it is necessary to add the headers.

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If not specify the headers it will return 525 or 429 error sometimes. And if the id is wrong, it always return 429 error. So I think it is necessary to add the headers.

"Content-Type": "application/json; charset=utf-8"

Content-Type should be required. id can be a number of almost digits.

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maybe your id and headers are not right.

I tried changing the id and headers, but still got the same error. I gave up and used the Go version instead, directly requesting through IP, which works normally. Thank you for answering my question.

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