Tallwatch
Tallwatch monitors websites and APIs from multiple regions, opening an incident when at least two regions report the same failure during a check round.
What Tallwatch is
Tallwatch monitors websites and APIs from multiple regions, opening an incident when at least two regions report the same failure during a check round. Checks cover HTTP, keywords, ping, TCP, DNS, SSL, and heartbeat, using probes in Virginia, Frankfurt, Singapore, Sydney, São Paulo, and Oregon. Alerts can be sent through email, Slack, Microsoft Teams, Telegram, Discord, PagerDuty, or signed webhooks. On-call rotations and escalation policies route incidents to responders until they acknowledge them. Public or private status pages can use a custom domain and include incident history and email or RSS subscribers. Developers can manage monitors and triage incidents through a REST API, CLI, or hosted MCP endpoint. The CLI runs on macOS, Linux, and Windows and can import monitors from UptimeRobot. The company says it does not publish a formal customer uptime SLA with automatic credits.
Good
- Checks seven types, including SSL and heartbeat
- Six probe regions are listed
- Alerts support email, chat, PagerDuty, and webhooks
- Status pages can be public or private
- Free plan includes 10 monitors
Watch out
- Free plan checks every 60 seconds from three regions
- No formal customer uptime SLA with automatic credits
Who it suits
Tallwatch suits teams monitoring websites or APIs that want regional checks, incident routing, and status pages. Its API, CLI, and hosted MCP endpoint may also suit developers managing monitors programmatically.
Verdict
Tallwatch combines regional monitoring with incident routing, status pages, and developer access tools. A free tier is available, while paid pricing starts at $11.99 per month billed annually.
Plans and prices
From Tallwatch's own pricing page, checked 15 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free | Free | 10 monitors · 3 regions · 60-second checks · 3 team members · 1 status page · email and Slack alerts · 7-day history · on-call and escalation · per month |
| Pro | $14.99 a month | 100 monitors · 6 regions · 30-second checks · 10 team members · 3 status pages · 7 alert channels · 90-day history · programmable webhooks · monthly |
| Business | $24.99 a month | Unlimited monitors under fair use · unlimited members and status pages · 365-day history · priority support · branding removal · cross-team rollup · monthly |
The facts
Each one read from Tallwatch's own pages, with the date it was checked.
What it does
- Alert integrations
- Confirmed incidents can be sent to email, Slack, Microsoft Teams, Telegram, Discord, PagerDuty or signed webhooks.checked 15 Oct 2026
- Availability commitment
- Tallwatch says it does not currently publish a formal customer uptime SLA with automatic credits.checked 4 Oct 2026
- Check types
- Supported checks are HTTP/HTTPS, keyword, ping, TCP/port, DNS, SSL-expiry and heartbeat checks.checked 15 Oct 2026
- CLI
- The CLI manages monitors and incidents, runs test probes and supports UptimeRobot imports from a terminal.checked 15 Oct 2026
- CLI package license
- The public @tallwatch/cli npm package is marked MIT licensed and exposes built-in TypeScript declarations.checked 15 Oct 2026
- CLI package version
- The npm listing shows @tallwatch/cli version 0.3.2 with a published package and a repository at github.com/nabinkhair42/tallwatch.checked 15 Oct 2026
- CLI requirements
- The official installer requires Node.js 20 or newer and supports macOS, Linux and Windows through shell, PowerShell or npm installation.checked 15 Oct 2026
- Consensus behavior
- An incident opens when at least two regions report the same failure in one check round.checked 4 Oct 2026
- Consensus detection
- An incident opens only when at least two checked regions report the same failure during one check round.checked 15 Oct 2026
- Contracts SDK package
- The maker's npm profile lists @tallwatch/contracts as shared Zod schemas and TypeScript types for the Tallwatch REST API.checked 15 Oct 2026
- Data deletion
- The privacy policy says users may request early deletion and can also delete their account from settings.checked 15 Oct 2026
- Data retention
- The terms state that after termination account data is retained for 90 days to allow reactivation and then permanently deleted.checked 4 Oct 2026
- Developer access
- Tallwatch offers a REST API, CLI, and hosted MCP endpoint for managing monitors and triaging incidents.checked 4 Oct 2026
- Documentation
- The monitors page links to separate setup guides for monitor types, creation, dependencies and maintenance windows on docs.tallwatch.com.checked 15 Oct 2026
- External project description
- Nabin Khair's public portfolio describes Tallwatch as a multi-region service that monitors sites and APIs and alerts the appropriate people.checked 15 Oct 2026
- GitHub project listing
- The maker's GitHub profile lists Tallwatch as a downtime-monitoring service among his projects.checked 15 Oct 2026
- Heartbeat monitoring
- Heartbeat monitors detect missed check-ins from cron jobs and background workers and do not require regional quorum.checked 15 Oct 2026
- HTTP monitoring
- HTTP and HTTPS checks can validate status codes, response content, JSON paths, headers and latency.checked 15 Oct 2026
- Incident response
- Tallwatch provides on-call rotations and escalation policies that route incidents to responders until acknowledged.checked 4 Oct 2026
- Limit: missed-alert liability
- The terms disclaim liability for indirect losses including losses caused by missed or delayed alerts.checked 15 Oct 2026
- Limit: no formal SLA
- The terms say Tallwatch is provided on an as-available basis and currently has no formal customer uptime SLA with automatic credits.checked 15 Oct 2026
- Limit: SSO
- The pricing FAQ says SSO is on the Business roadmap rather than available today.checked 15 Oct 2026
Where it runs
- CLI platforms
- The CLI can be installed on macOS, Linux, and Windows and can import monitors from UptimeRobot.checked 4 Oct 2026
The company
- Funding and ownership
- A public post by the maker describes Tallwatch as a bootstrapped, pre-revenue project.checked 15 Oct 2026
The full review of Tallwatch
Tallwatch is a website and API monitoring service for teams that need regional checks tied to incident response and status pages. It is strongest for teams that want monitoring and responder routing together; the free plan is useful for a small setup, but its 60-second checks and three-region coverage limit faster, broader monitoring.
Overview
Tallwatch monitors websites and APIs from multiple regions and opens an incident when at least two regions report the same failure in one check round. That gives a team a regional confirmation step before incidents are routed, rather than treating one probe's failure as sufficient. The service also combines alerting, on-call escalation, status pages, and developer tools, so it can cover several parts of an operational workflow in one product.
Key features
Monitoring and regional confirmation
Checks cover HTTP, keywords, ping, TCP, DNS, SSL, and heartbeats, with latency monitoring, page health checks, and maintenance windows also supported. Tallwatch's six probe regions are Virginia, Frankfurt, Singapore, Sydney, São Paulo, and Oregon. Requiring two regions to agree can help avoid routing an incident based on a single regional failure, but it also means incident creation depends on agreement within one check round.
Alerting and response
Alerts can go to email, Slack, Microsoft Teams, Telegram, Discord, PagerDuty, and signed webhooks, with access varying by plan. On-call rotations and escalation policies route incidents to responders until acknowledged. That makes the service more relevant to teams with defined response ownership than to users who only want a basic uptime signal.
Status pages and developer access
Status pages support custom domains, public or private access, incident history, and email or RSS subscribers. The REST API, CLI, and hosted MCP endpoint allow monitor management and incident triage outside the web interface. The CLI runs on macOS, Linux, and Windows and can import monitors from UptimeRobot. MCP access uses scoped API keys: read keys can list and inspect, while write keys can pause monitors and acknowledge incidents. That separation is a useful boundary for teams that want automation without granting every integration write access.
Pricing
The Free plan costs nothing. It includes 10 monitors, 60-second checks from three regions, up to three team members, one custom-domain status page, email and Slack alerts, seven days of check history, on-call, escalation, and email support. It is a capable starting point for a small team, but the slower checks, shorter history, and limited alert channels make it less suited to teams that need broad notification coverage or longer incident context.
Pro costs $11.99 a month billed annually, or $14.99/month billed monthly. It raises the ceiling to 100 monitors and up to 10 team members, adds 30-second checks across all six regions and all seven alert channels, and includes three status pages, 90 days of history, programmable webhook payloads, and email support. This is the practical fit for teams that need wider geographic coverage and richer routing without unlimited scale.
Business costs $19.99 a month billed annually, or $24.99/month billed monthly. It offers unlimited monitors subject to fair use, unlimited team members and status pages, 365 days of history, priority support, cross-team rollup, and removal of Tallwatch branding. It suits larger or multi-team operations that need shared visibility and long retention; smaller teams may not need its expanded scale and branding controls.
Tallwatch says it does not see or store card details and processes refunds through Stripe to the original payment method. After account termination, data is retained for 90 days for possible reactivation and then permanently deleted. Tallwatch does not currently publish a formal customer uptime SLA with automatic credits, which may matter to organizations requiring a contractual availability commitment.
Platforms
Tallwatch supports API, Linux, macOS, web, and Windows. Its CLI is available on macOS, Linux, and Windows, while the monitoring service also exposes a REST API and hosted MCP endpoint.
Who it's for
Tallwatch fits teams that monitor both websites and APIs and want regional confirmation, escalation routing, and status communication in the same service. Its Free plan can accommodate a small team with modest monitoring needs. Pro is better for teams that need all six regions, 30-second checks, and the full alert set; Business is aimed at organizations needing higher shared limits, cross-team rollup, and longer history. It is a weaker fit where a formal uptime SLA with automatic credits is a requirement.
Pros and cons
- Pros: The two-region incident rule adds regional confirmation before an incident opens.
- Pros: On-call rotations and escalation policies route incidents until acknowledged, rather than stopping at notification.
- Pros: Custom-domain status pages, incident history, and email or RSS subscribers support both public and private communication.
- Pros: Scoped MCP read and write keys distinguish inspection from actions such as pausing monitors or acknowledging incidents.
- Cons: Free checks run every 60 seconds and cover only three regions, while 30-second checks and all six regions require Pro.
- Cons: The Free plan limits alerting to email and Slack, with the other channels reserved for paid plans.
- Cons: Tallwatch has no published formal customer uptime SLA with automatic credits.
Alternatives
For broader directory comparisons, see Website Monitoring Software and API Monitoring Tools.
- Dotcom-Monitor is worth considering if its free allowance of up to 25 targets and two monitoring locations suits you better than Tallwatch's 10 free monitors and three regions; its free monitoring frequency is up to five minutes.
- UptimeRobot is another free-plan option for hobby and nonprofit projects, with 50 monitors and a five-minute interval; Tallwatch is the stronger fit when its faster checks and incident routing matter more.
- Better Stack is an alternative with a free plan for personal projects.
- Visual Sentinel is an alternative with a Solo plan at $6 a month billed monthly.
- Cronitor is an alternative with a free Hacker plan that includes five monitors and email and Slack alerts.
- HostTracker is an alternative with a free plan for two monitors and checks every 30 minutes.
- Uptimia is an alternative with a Basic plan at $9 a month billed annually.
- Hyperping is an alternative with a free plan including 20 monitors and five-minute checks.
Verdict
Tallwatch is a sound choice for teams that want regional monitoring connected to on-call escalation, status pages, and developer access in one service. Its main advantage is the combination of multi-region confirmation and responder routing; its main drawbacks are the lack of a formal uptime SLA and the step up in cost required for 30-second checks across all regions. Choose it if operational response matters as much as uptime detection, and look elsewhere if a contractual SLA is essential.
Getting started
- Open the Tallwatch website
- Choose the Free, Pro, or Business plan
- Install the CLI on macOS, Linux, or Windows if needed
- Import monitors from UptimeRobot through the CLI
- Configure checks, alert channels, on-call rotations, escalation policies, or status pages
Limits worth knowing
Free includes 10 monitors, 60-second checks from three regions, up to three team members, one custom-domain status page, selected alerts, and seven days of history. Pro and Business raise these limits, with Business offering unlimited monitors subject to fair use.
Questions
Is there a free plan?
Yes. Free costs nothing and includes 10 monitors, three regions, three team members, one status page, and seven days of history.
What do paid plans cost?
Pro is $11.99 per month billed annually or $14.99 monthly. Business is $19.99 per month billed annually or $24.99 monthly.
Which platforms are supported?
Tallwatch lists API, Linux, macOS, web, and Windows. Its CLI installs on macOS, Linux, and Windows.
Which alert channels are available?
Alerts can use email, Slack, Microsoft Teams, Telegram, Discord, PagerDuty, and signed webhooks.
Does Tallwatch provide an uptime SLA?
Tallwatch says it does not currently publish a formal customer uptime SLA with automatic credits.
Alternatives to Tallwatch
- 1

Dotcom-Monitor
Free planAndroidiOSWebAPI8.3From $13.33 a month - 2

Distill Web Monitor
Free planAndroidiOSWebAPI8.0From $15 a month - 3
OnWebChange
Free planAndroidiOSWebAPI8.0From €0.89 a month - 4
Visual Sentinel
Free planAndroidiOSWebAPI8.0From $6 a month - 5

Pingdom
AndroidiOSWebAPI7.8From $16.50 a month - 6

UptimeRobot
Free planAndroidiOS7.8From $9 a month
