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Monitor your websites, web applications, APIs, DNS and more, from over 800 locations relying on top-tier backbone carriers, consumer ISPs, over the air cellular carriers, and cloud providers. | Checkly is the API & E2E monitoring platform for the modern stack: programmable, flexible and loving JavaScript. Free for developers! |
- Monitor Website, Transaction, Mobile, HTML Code, DNS, API, Ping, SMTP, Traceroute, Websocket, FTP, TCP, UDP, Streaming, SSH, NTP, IMAP
- Monitor with real Chrome 66 and IE 11 Browsers
- Receive alerts via email, sms, or through webhook integrations
- Gain Comprehensive End-User Experience Visibility: Monitor everything from development to production that can affect your end-user experience.
- Manage the performance of all external providers, from CDNs to tags, and understand their individual impact on your service delivery.
- Detect network instability in real time to correlate the issue to specific events such as ISP health or DDoS attacks to optimize performance across the entire delivery chain.
- Set advanced alerts with dynamic thresholds such as trend shifts and baseline deviations.
- Capture detailed data, including server and system visibility, to immediately identify the failing component.
- Get troubleshooting guidance from extended debugging information with every alert and issue.
- Explore raw data and slice and dice on any dimension to uncover performance trends that are hidden in aggregated data.
- Leverage robust, pre-built visualizations or bring your own to Catchpoint.
- Create and view customizable dashboards and reports in real time and share them for seamless communication. | Deep & flexible uptime and performance monitoring for API's and Web Apps;
Full HTTP request editor for headers, params, body etc;
Environment variables, encrypted for secrets;
Basic Auth, OAuth 1.0, OAuth 2.0, HMAC support;
Flexible Node.js based setup & teardown scripts;
Site transaction monitoring - full scripting support with Puppeteer & Playwright;
Runs in actual Chrome browsers in the cloud;
Take screenshots and asserts page items;
Email, Slack, Webhooks, Pagerduty, OpsGenie, Discord and SMS notifcations;
Prometheus exporting;
Triggers checks from CI/CD;
SSL certificate expiry checks;
Public dashboards with custom CNAME domain
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Stacks 5 | Stacks 27 |
Followers 6 | Followers 17 |
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The world’s best software and DevOps teams rely on New Relic to move faster, make better decisions and create best-in-class digital experiences. If you run software, you need to run New Relic. More than 50% of the Fortune 100 do too.

It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.

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Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immediately alerts the owner so the problem can be taken care of.

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Raygun gives you a window into how users are really experiencing your software applications. Detect, diagnose and resolve issues that are affecting end users with greater speed and accuracy.

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It is all about helping you to keep your websites up. It monitors your websites every 5 minutes and alerts you if your sites are down.