GET https://api.protonvpn.ch/tests/ping

Access:
application/vnd.protonmail.api+json;apiversion=3
Cache-Control:
max-age=0, must-revalidate, no-cache, no-store, private
Content-Length:
13
Content-Security-Policy:
default-src 'self'; script-src 'self' 'unsafe-eval' 'nonce-YbFVBL4V3cg5fcqQKrr6mQAAAKM' 'strict-dynamic' https:; style-src 'self' 'unsafe-inline'; img-src http: https: data: blob: cid:; frame-src https:; connect-src https: wss:; media-src https:; report-uri https://reports.protonmail.com/reports/csp;
Content-Type:
application/json
Date:
Thu, 09 Dec 2021 00:59:48 GMT
Expect-Ct:
max-age=2592000, enforce, report-uri="https://reports.protonmail.com/reports/tls"
Expires:
Fri, 04 May 1984 22:15:00 GMT
Public-Key-Pins-Report-Only:
pin-sha256="8joiNBdqaYiQpKskgtkJsqRxF7zN0C0aqfi8DacknnI="; pin-sha256="drtmcR2kFkM8qJClsuWgUzxgBkePfRCkRpqUesyDmeE="; report-uri="https://reports.protonmail.com/reports/tls"
Referrer-Policy:
strict-origin-when-cross-origin
Set-Cookie:
Session-Id=YbFVBL4V3cg5fcqQKrr6mQAAAKM; Domain=protonvpn.ch; Path=/; HttpOnly; Secure; Max-Age=7776000
Strict-Transport-Security:
max-age=31536000; includeSubDomains; preload
X-Content-Type-Options:
nosniff
X-Permitted-Cross-Domain-Policies:
none
X-Xss-Protection:
1; mode=block; report=https://reports.protonmail.com/reports/csp