Youtube チャンネルのカテゴリ一覧(guideCategories)取得できない

$curl -v 'https://www.googleapis.com/youtube/v3/guideCategories?key=自分のAPIキー&part=snippet&regionCode=jp&hl=ja'

*   Trying 172.217.26.234...
* TCP_NODELAY set
* Connected to www.googleapis.com (172.217.26.234) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
*   CAfile: /etc/ssl/cert.pem
  CApath: none
* TLSv1.2 (OUT), TLS handshake, Client hello (1):
* TLSv1.2 (IN), TLS handshake, Server hello (2):
* TLSv1.2 (IN), TLS handshake, Certificate (11):
* TLSv1.2 (IN), TLS handshake, Server key exchange (12):
* TLSv1.2 (IN), TLS handshake, Server finished (14):
* TLSv1.2 (OUT), TLS handshake, Client key exchange (16):
* TLSv1.2 (OUT), TLS change cipher, Change cipher spec (1):
* TLSv1.2 (OUT), TLS handshake, Finished (20):
* TLSv1.2 (IN), TLS change cipher, Change cipher spec (1):
* TLSv1.2 (IN), TLS handshake, Finished (20):
* SSL connection using TLSv1.2 / ECDHE-ECDSA-CHACHA20-POLY1305
* ALPN, server accepted to use h2
* Server certificate:
*  subject: CN=upload.video.google.com
*  start date: Feb 17 11:11:09 2022 GMT
*  expire date: May 12 11:11:08 2022 GMT
*  subjectAltName: host "www.googleapis.com" matched cert's "*.googleapis.com"
*  issuer: C=US; O=Google Trust Services LLC; CN=GTS CA 1C3
*  SSL certificate verify ok.
* Using HTTP2, server supports multi-use
* Connection state changed (HTTP/2 confirmed)
* Copying HTTP/2 data in stream buffer to connection buffer after upgrade: len=0
* Using Stream ID: 1 (easy handle 0x7f9393009600)
> GET /youtube/v3/guideCategories?key=AIzaSyCdSNPdAT9aa6JJoz7zXZQUyRU-eL5n2Go&part=snippet&regionCode=jp&hl=ja HTTP/2
> Host: www.googleapis.com
> User-Agent: curl/7.64.1
> Accept: */*
>
* Connection state changed (MAX_CONCURRENT_STREAMS == 100)!
< HTTP/2 404
< content-type: text/html
< date: Fri, 11 Mar 2022 00:37:41 GMT
< server: scaffolding on HTTPServer2
< content-length: 0
< x-xss-protection: 0
< x-frame-options: SAMEORIGIN
< x-content-type-options: nosniff
< alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000,h3-Q050=":443"; ma=2592000,h3-Q046=":443"; ma=2592000,h3-Q043=":443"; ma=2592000,quic=":443"; ma=2592000; v="46,43"
<
* Connection #0 to host www.googleapis.com left intact
* Closing connection 0