Uptimepage

About

Uptimepage is an open-source uptime monitoring tool with a public status page built in. It checks websites and APIs over HTTP, TCP, DNS, TLS, and ping from several regions, and can verify status codes, headers, authentication, and page content. When a check fails, it opens an incident automatically and pages the on-call person through Slack, Telegram, Discord, Microsoft Teams, PagerDuty, ntfy, Pushover, email, or a webhook. The same incident appears on a public status page with a 90-day history, where visitors subscribe by email or webhook, and scheduled maintenance windows suppress false alerts. Teams get role-based access. Everything can be managed as code through a Terraform provider, a REST API, and an MCP server that lets an AI assistant read your monitoring. Run it as a single self-hosted binary under the AGPL license, or use the free hosted tier with no credit card and no expiry.

Problem & solution

Who it's for

SaaS and SRE teams, indie hackers, internal-tools teams, and agencies.

• How to Monitor API Downtime with HTTP, TCP, and DNS Checks

  Your API can look "up" and still be broken. A health check returns 200, but real requests time out. The domain resolves on your laptop but not from another country. The port is open, but the TLS certificate expired last night. "Is the API up?" is not one question. It is several questions at different layers, and a single check type only answers one of them. This guide shows what HTTP, TCP, and DNS checks each catch, and how to combine them so you find out about downtime before your users do.

  NxGn Tools·Jul 6, 2026

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