FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).




APId is described as 'Don’t just check for 200’s, model complex customer flows and monitor their realtime performance from around the world. Get notified the instant something goes wrong' and is a Uptime Monitor service in the development category. There are more than 50 alternatives to APId for a variety of platforms, including Web-based, Windows, Mac, Linux and SaaS apps. The best APId alternative is Postman, which is free. Other great apps like APId are Insomnia REST Client, Uptime Kuma, HTTP Toolkit and Hoppscotch.
FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).




Monitoring the availability of websites or servers and controlling performance and response time. Receiving alerts when a test result is negative. Discovery offer for monitoring a website for free.






Description by owner: "Monitors your website/server for free, 30 seconds interval. Complete delivery test for e-mail servers (sends an e-mail, waits for it to arrive). Alerts via SMS/e-mail. Worldwide network.
Write your own scripts and execute when servers goes down (and u.



Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...



Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

Pingoscope will carefully monitor your website and alert you instantly if it goes down. Unlimited email SMS, Skype, Phone Call notifications, historical response time data, one minute check intervals data and more features available for free as well as no limit accounts for...

Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.




StablePing is a fully managed uptime monitoring service for just $3.95/month. Whenever your website goes down, their system will alert you within seconds via email or SMS (and they'll work with you to get it back online).



Easy-to-use and accurate real-time monitoring of your websites and APIs to keep you up to date with performance. In the event of an outage, we notify you immediately via email, Slack, Webhooks, SMS, Telegram, or Discord.



Standard uptime monitoring with alerts that include diagnostic information, timing breakdowns and dashboard snapshots. Configure alerts for HTTP statuses, reachability and performance thresholds.


