Why am I getting 502 - Bad Gateway (IPFS)

I am using quicknode API to upload file on ipfs.
this one - https://api.quicknode.com/ipfs/rest/v1/s3/put-object
I am getting this error:

Bad gateway Error code 502
Visit cloudflare.com for more information.
2024-05-14 11:36:46 UTC
You
Cloudflare
Working
api.quicknode.com
Host
Error
What happened?
The web server reported a bad gateway error.

What can I do?
Please try again in a few minutes.

This api was working previously. i don’t know what happened suddenly.
Please help.

same error. for few hours its working perfectly fine but suddenly start throwing this BAD GATEWAY