Uptime Monitoring Pricing: What Website Monitoring Costs Per Site in 2026

Uptime monitoring costs between $0 and roughly $300 a month for most US businesses, and the honest per site number lands between $1 and $6 per monitored endpoint per month once you are past the free tiers. Entry paid plans from the main vendors cluster around $10 to $30 a month. What moves the total is almost never the base plan: it is metered SMS and voice alerts, per seat billing, and how many endpoints you actually need.

That is the short version. Below is what each tool publishes, what the hidden line items are, and how to size a plan without buying twice.

What does uptime monitoring cost in 2026?

Published US list prices as of September 2026. Vendors change pricing often, so treat this as a starting point and confirm on the vendor's own page before you buy.

Two things stand out. First, the $29 tier is where tools stop being a hobby product: it is where 30 to 60 second checks, real alert routing and paid support show up. Second, the cheap plans are cheap because they are sized for one company watching one stack, not for a portfolio.

How much does website monitoring cost per site?

Per endpoint, between about $1 and $6 a month at business volume. The math changes fast with scale, which is why the sticker price on the plan page is close to meaningless until you know your endpoint count.

On TrackDowntime specifically, the Professional plan is $99 a month for 25 endpoints at 60 second checks, which works out at about $4 per endpoint, and Enterprise is $299 for unlimited endpoints, which drops under $2 once you pass 150. If you are pricing for a client portfolio rather than one company, the agency monitoring breakdown covers how to count endpoints per client.

What makes uptime monitoring more expensive than the plan page says

Four line items account for most of the gap between the quoted price and the invoice.

Metered SMS and voice alerts. Several vendors sell SMS credits separately and bill voice calls per minute. This is the worst possible pricing shape for the buyer, because the bill spikes in exactly the month you were already having a bad time. Pingdom's entry synthetic plan, for example, includes a fixed allowance of SMS credits and then charges beyond it. If overnight alerting matters to you, price a bad month, not an average one.

Per seat billing. Tools that charge by team member get expensive the second a junior developer needs dashboard access. Flat rate by monitor count is the friendlier model for small teams.

Check interval as an upsell. A 5 minute interval means an outage can run for most of a coffee break before anyone hears about it. Sub minute checks are usually gated behind the second or third tier, and that gate is often the real reason people upgrade.

Data retention and reporting. If you need uptime history to justify a retainer or to back an SLA credit conversation, check how long the vendor keeps per check data. Short retention quietly turns into a problem the first time a client disputes a month.

Free tier license terms. UptimeRobot restricted its free plan to personal, non commercial use in October 2024. Plenty of small businesses are still running production monitoring on a plan whose terms they no longer meet. Worth reading before you rely on it.

Is free uptime monitoring good enough for a business?

For a side project, yes. For anything that takes payments, no. Free tiers typically cap you at 3 to 5 minute checks, email only alerting, minimal history and no support commitment, and several now restrict commercial use outright. The gap that matters is not the check interval, it is that an email at 3am wakes nobody up.

The way to decide is to price your own downtime rather than compare feature lists. Take your monthly revenue, divide by 720 hours, and you have a rough cost per hour of being offline. A business doing $200,000 a year loses about $23 an hour of downtime on average, and far more than that if the outage lands in a peak window. At that rate a $99 plan pays for itself if it saves you four hours a year, which one properly escalated overnight alert usually does.

What you should actually be monitoring

Cost follows endpoint count, so getting the count right is the whole budgeting exercise. The rule that works: monitor the homepage plus the page that makes money.

• Ecommerce: homepage, a category page, and the cart or checkout URL. Checkout is the one that matters.
• Lead generation: homepage plus the form submission endpoint. A broken form returns 200 and fails silently, which is the most expensive kind of outage.
• SaaS: marketing site, login page, and the API base URL your app depends on.
• Client portfolios: two to four endpoints per client. Thirty clients is 60 to 120 endpoints, not 30.

Most outages start with a change rather than out of nowhere, so monitoring earns its keep alongside a deployment process that can roll back quickly. Teams that ship often tend to pair external checks with zero downtime deployments and rollback so a bad release is a two minute event instead of an afternoon.

How to compare plans without getting burned

Run every shortlisted vendor through the same five questions before you enter a card.

1. What is the real check interval on the plan I would buy? Not the fastest interval the vendor offers.
2. Are SMS and voice alerts included or metered? Get the per message price if metered.
3. Does the price change when a second person needs access?
4. How long is per check history kept? Match it to your reporting cycle.
5. What happens on the tenth alert of a bad night? Escalation and repeat alerting are what turn a notification into a resolved incident.

TrackDowntime answers those as follows: 60 second checks on Professional and Enterprise, phone call, SMS and email alerts included with no per alert fee, escalating alerts that repeat until the endpoint recovers, and a separate recovery notification. The full feature list is on the features page. It is not the cheapest option in the table above and does not try to be; it is priced for teams where an unnoticed outage costs more than the subscription.

Frequently asked questions

How much does uptime monitoring cost per month?

Most businesses pay between $10 and $99 a month. Entry paid plans start around $10 for a handful of monitors at 60 second checks, mid tier plans with sub minute checks and multi channel alerting run $25 to $99, and unlimited endpoint plans for agencies and larger teams sit between $150 and $300.

Is uptime monitoring worth paying for?

Yes, if downtime costs you money. Divide monthly revenue by 720 to get your hourly downtime cost, then compare it to the plan price. Most businesses find a paid plan pays for itself if it prevents three to five hours of unnoticed downtime a year, which one overnight phone call usually covers.

What is the cheapest reliable uptime monitoring?

UptimeRobot Solo at $9 to $10 a month is the cheapest paid plan from an established vendor with 60 second checks. Site24x7 Starter is comparable at $10. Both are solid for a small stack. Neither includes phone call alerts, so overnight coverage depends on someone hearing an email or a push notification.

Do I pay per website or per monitor?

Per monitor, or per endpoint, on almost every tool. One website can consume several monitors if you check the homepage, the checkout page and an API separately. Count endpoints rather than domains when you size a plan, or you will be upgrading within the first month.

How much does downtime cost a small business?

A common rule of thumb is monthly revenue divided by 720 to get an average hourly figure, so a business doing $200,000 a year loses roughly $23 an hour on average. Real losses run higher because outages cluster in peak traffic hours and because abandoned checkouts rarely come back later.