updown.io – Website monitoring, simple and inexpensive Simple & inexpensive website monitoring. 89842523503 requests performed HTTP(S), TCP(S), ICMP Five check types to cover most of your online services (not just web). Pulse/cron Monitoring Keep an eye on your periodic tasks and cron jobs. How? Dual-Stack Zero configuration dual-stack monitoring (IPv4/v6), same price. Fast checks, fair price Set the check frequency between 15s and 1h. The pricing scales linearly. TLS/SSL testing Receive alerts in case of invalid or expiring soon certificate. Domain expiration alerts Receive alerts when your domains are about to expire (RDAP/WHOIS). Double-check Downtimes are confirmed from at least two different locations. Text search Match the presence of a string instead of the regular HTTP status. Various notification channels Email, Webhook, Slack, Teams, Telegram, SMS, Statuspage, Zapier. Hosted status pages Provides single-site and multi-site availability & performance reports. Crypto, Paypal, Cards, SEPA We accept credit cards, Paypal, SEPA transfers, and many cryptocurrencies. REST API & WebHooks Hack and integrate updown.io with the REST & WebHook APIs. 200 OK v6 v4 h2 Valid SSL certificate Tested on Aug 16, 2026 01:43 subject: *.google.com *.appengine.google.com, *.bdn.dev, *.origin-test.bdn.dev, *.cloud.google.com, *.crowdsource.google.com, *.datacompute.google.com, *.google.ca, *.google.cl, *.google.co.in, *.google.co.jp, and 54 others (SAN) validity: Jul 20, 2026 18:05 — Oct 12, 2026 18:05 algorithm: SHA-256 with RSA encryption issuer: WR2 (Google Trust Services) Domain name expires in 760 days Updated on Aug 15, 2026 14:50 domain: google.com expires: Sep 14, 2028 04:00 (RDAP) " rel="tooltip">https://google.com uptime apdex(0.25) .95 .94 .92 .93 .95 .94 .95 .93 .92 .94 .93 .95 .93 .96 .95 .92 .9 .87 .88 .91 .92 .88 .9 .92 30 secs 0.95 100% 200 OK v6 v4 h2 Valid SSL certificate Tested on Aug 16, 2026 01:41 subject: *.facebook.com (Meta Platforms, Inc.) *.facebook.net, *.fbcdn.net, *.fbsbx.com, *.m.facebook.com, *.messenger.com, *.xx.fbcdn.net, *.xy.fbcdn.net, *.xz.fbcdn.net, facebook.com, and messenger.com (SAN) validity: May 25, 2026 00:00 — Aug 23, 2026 23:59 Expires in 7 days algorithm: SHA-256 with RSA encryption issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1 (DigiCert Inc) Domain name expires in 2783 days Updated on Aug 15, 2026 15:58 domain: facebook.com expires: Mar 30, 2034 04:00 (RDAP) " rel="tooltip">https://facebook.com uptime apdex(0.5) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .99 1.0 1.0 1.0 1.0 .98 .96 .97 1 min 1.0 100% 200 OK v6 v4 h2 Valid SSL certificate Tested on Aug 16, 2026 01:44 subject: github.com www.github.com (SAN) validity: Jul 03, 2026 00:00 — Sep 30, 2026 23:59 algorithm: ECDSA with SHA-256 issuer: Sectigo Public Server Authentication CA DV E36 (Sectigo Limited) Domain name expires in 54 days Updated on Aug 15, 2026 04:27 domain: github.com expires: Oct 09, 2026 18:20 (RDAP) " rel="tooltip">https://github.com uptime apdex(0.5) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1 min 1.0 99.95% 200 OK v6 v4 h2 Valid SSL certificate Tested on Aug 16, 2026 01:36 subject: stripe.com (Stripe, LLC) www.stripe.com (SAN) validity: Jul 28, 2026 00:00 — Nov 12, 2026 23:59 algorithm: ECDSA with SHA-384 issuer: DigiCert Global G3 TLS ECC SHA384 2020 CA1 (DigiCert Inc) Domain name expires in 391 days Updated on Aug 15, 2026 05:49 domain: stripe.com expires: Sep 11, 2027 04:00 (RDAP) " rel="tooltip">https://stripe.com uptime apdex(1.0) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .98 1.0 .98 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1 min 0.99 100% 200 OK v6 v4 h2 Valid SSL certificate Tested on Aug 16, 2026 01:37 subject: news.ycombinator.com validity: Jul 19, 2026 08:09 — Oct 17, 2026 08:09 algorithm: ECDSA with SHA-384 issuer: YE1 (Let's Encrypt) Domain name expires in 216 days Updated on Aug 15, 2026 21:38 domain: ycombinator.com expires: Mar 20, 2027 22:51 (RDAP) " rel="tooltip">https://news.ycombinator.com uptime apdex(0.5) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 .99 1.0 1.0 1.0 .98 .98 .99 .99 .98 1.0 .99 .98 1.0 1.0 1.0 2 mins 0.99 100% Pricing You only pay for what you use, check by check. 1 credit = 1 check. For example, check10 websitesevery2 minutesfrom 1.83 €/month (up to 5.49 €/m): Pack Forecast Price Number of requests included in the pack. How long will it last at 5.0 requests/minute. Excluding VAT No commitment. 200,000 0 months 27 days 5 € ≈ 5.49 €/m 500,000 2 months 8 days 10 € ≈ 4.39 €/m 1,500,000 6 months 25 days 25 € ≈ 3.66 €/m 3,000,000 13 months 20 days 40 € ≈ 2.93 €/m 10,000,000 45 months 16 days 100 € ≈ 2.20 €/m 60,000,000 273 months 6 days 500 € ≈ 1.83 €/m Save up by purchasing more credits upfront We accept credit cards, Paypal, crypto and more.  Extra: SMS alerts costs 7500 credits (≈ 0.10€) per message.