Aviationstack ◆
Aviationstack is a scalable REST API for real-time flight tracking, historical flight data, airport info, and global aviation data.

Healthchecks.io (Developer Tools): Healthchecks.io is a simple cron job monitoring service that alerts you when scheduled tasks fail to run on time. Pricing: from from $0/mo. (data verified July 2026)
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Healthchecks.io is a hosted cron job monitoring service. It sends you an alert when your nightly backups, weekly reports, cron jobs, and other scheduled tasks do not run on time. Each job gets a unique ping URL; if the job fails to ping by its expected time, Healthchecks.io notifies you via email, SMS, push notification, or integrations like Slack, PagerDuty, and more.
Healthchecks.io is ideal for developers, system administrators, and DevOps engineers who need to monitor background jobs, cron-based workflows, and scheduled scripts across servers. It's also a fit for any team that relies on automated tasks—like scheduled data exports or regular health checks—and wants to know immediately when something fails. It is not designed for general uptime monitoring of websites or APIs.
You can configure each check with a period and grace time, or use cron expressions for irregular schedules. The live dashboard shows check status (New, Up, Late, Down) and provides an event log of all pings and alerts. Integrations include Slack, Discord, Microsoft Teams, GitHub Issues, PagerDuty, Opsgenie, SMS, Phone Call, Pushover, and many more. Public status badges are available for documentation or README files.
Common uses include monitoring nightly database backup scripts, weekly report generation, daily data syncs, and custom daemon processes. For example, a team can set up a check for their nightly backup cron job: if the job fails to ping, the team gets an immediate Slack alert before the next business day begins.
Editorial score from our review methodology — not user ratings.
Healthchecks.io pricing: from $0/mo.
Monitor 20 jobs, 100 log entries per job. No credit card required.
Monitor 20 jobs, 100 log entries per job. Same limits as Hobbyist — pay to support the project.
Monitor 100 jobs, 1000 log entries per job. Includes 50 SMS & WhatsApp credits, 20 phone call credits, and email support.
Monitor 1000 jobs, 1000 log entries per job. Includes 500 SMS & WhatsApp credits, 100 phone call credits, and priority email support.
Annual billing saves 20% (e.g., Business $192/yr, Business Plus $768/yr). Free Business plan available for open-source projects and nonprofits.
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