Hi TK TK writes: [...] > However, doing the same thing with curl errors out: > > $ curl https://actorws.epa.gov/actorws/chemIdentifier/v01/resolve.json?identifier=MKXZASYAUGDDCJ-NJAFHUGGSA-N > > curl: (60) server certificate verification failed. CAfile: /home/user/.guix-profiles/profile/etc/ssl/certs/ca-certificates.crt CRLfile: none > More details here: https://curl.haxx.se/docs/sslcerts.html > > ca-certificates.crt exists at the CAfile location and CURL_CA_BUNDLE is set properly. This is similar to https://lists.gnu.org/archive/html/help-guix/2020-06/msg00025.html and it should be fixed in the latest GnuTLS, which is in Guix since commiy 8951b9496b5c390adb3b3292d234bb8ab9936c40 Anyway I can confirm that I get the same results as you. I'm going to investigare if I can add something useful and open a bug (probably upstream?) happy hacking! Gio' -- Giovanni Biscuolo Xelera IT Infrastructures