This price display was inspired by bitcoindisplay.com
Thanks to the original author!

The approach here is using static files, updating them
by atomical mv(1) operation. All just basic Linux
(could be done on any UNIX, but in Linux I am using tmpfs
mounted under /dev/shm from where the files are symlinked
here) and served by Caddy2 webserver (proxied via CloudFlare).

All the API enpoints are for backward compatibility
accessible also from /

 /api-usd  ==  /api/api-usd
 /data.json == /api/data.json
 ...

There is no Refresh header under /api/ directory.
The Refresh header is set for /api-nice-usd in the root.

The price of Bitcoin in USD is again from Strike now.
Was from from Coindesk BPIv1 first.
Thanks! See /coindesk-v1.sh.txt 
Strike's public dashboard API.
was not publicly accessible on 2025-01-14
but works already a day later.
See /strike.sh.txt and /nicecat.sh.txt