How long will the audio address be stored?

Question

I would like to know if there is an expiration time for the audio address returned by the api? If it exists, how long will it be?

yy10112001 · Answer

Audio files will last for at least 24 hours.

李志博 · Answer

Also I have 1 request that strongly wants to support https, currently I need 1 additional reverse proxy server because it doesn't support https, which will cost me traffic that I don't need and increase the latency.

Microsoft Edge Text to Speech

8.5 / 10

3,636ms

100%

100%

How long will the audio address be stored?