Best API Monitoring Tools in 2026
Updated
In short: Site24x7 API Monitoring is ranked #1 of 27 as of 4 October 2026, ahead of APIContext and Dotcom-Monitor. The best-ranked option with a free plan is APIContext. The lowest first paid tier on this page is Sematext Synthetics at $2/mo.
API monitoring tools help you keep track of API checks and responses. Compared on check frequency, response assertions, and multi-region checks, the entries also show monitor limits and whether private locations are available. Incident workflows offer another point of comparison for considering how a team handles failures; free plans and paid-from pricing add cost context. Site24x7 API Monitoring and APIContext appear first, followed by ObserveOne API Monitoring and Postman, with Watchlog also among the early entries. Consider how often you need checks to run, which regions or locations matter, and what response assertions you need. Then weigh those factors alongside monitoring limits and the incident workflow offered.
27 API monitoring tools ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Site24x7 API Monitoring Top pick · 7.5 Free plan · $109/mo
#2 APIContext Runner-up · 7.2 Free plan · $29/mo
#3 Dotcom-Monitor Also great · 7.2 Free plan · $13.33/mo
- Free planFree trial AndroidapiiOSLinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 9 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$109/mofirst paid tier About Site24x7 API MonitoringVisit site - Free planFree trial LinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 29 /mo
- Check frequency
- 5 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$29/mofirst paid tier About APIContextVisit site - Free plan WebWindowsLinuxiOSAndroid
- Free plan
- Yes
- Paid from
- 13.33 /mo
RecognisedDocumentedFree planPlatforms$13.33/mofirst paid tier About Dotcom-MonitorVisit site - Free planFree trial extensionLinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 9 /mo
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About PostmanVisit site - Free plan apiLinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 11.99 /mo
RecognisedDocumentedFree planPlatforms$11.99/mofirst paid tier About TallwatchVisit site - Free plan AndroidiOS
- Free plan
- Yes
- Paid from
- 12 /mo
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About UptimeRobotVisit site - Free planFree trial apiLinuxself-hostedWebWindows
- Free plan
- Yes
- Paid from
- 4.99 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms$4.99/mofirst paid tier About WatchlogVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 5 /mo
RecognisedDocumentedFree planPlatforms$4.08/mofirst paid tier About HostTrackerVisit site - Free plan apiextensionself-hostedWeb
- Free plan
- Yes
- Paid from
- 6 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$6/mofirst paid tier About ObserveOne API MonitoringVisit site - Free trial apiLinuxmacOSself-hostedWebWindows
- Paid from
- 79 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$79/mofirst paid tier About RunscopeVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 15 /mo
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$15/mofirst paid tier About UptaraVisit site - self-hostedWeb
- Check frequency
- 5 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms - Free trial Web
- Free plan
- No
RecognisedDocumentedFree planPlatforms€15/mofirst paid tier About Oh DearVisit site - Free trial apiLinuxself-hostedWebWindows
- Free plan
- No
- Paid from
- 2 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms$2/mofirst paid tier About Sematext SyntheticsVisit site - WebiOSAndroid
- Free plan
- No
- Paid from
- 42 /mo
RecognisedDocumentedFree planPlatforms$42/mofirst paid tier About UptrendsVisit site - Web
- Paid from
- 9 /mo
RecognisedDocumentedFree planPlatforms$9/mofirst paid tier About Uptime.comVisit site - WebmacOS
- Free plan
- Yes
- Paid from
- 12 /mo
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms - WebLinux
- Free plan
- Yes
- Paid from
- 29 /mo
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 19 /mo
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 49 /mo
- Response assertions
- Yes
- Multi-region checks
- Yes
RecognisedDocumentedFree planPlatforms - AndroidmacOSWebWindows
- Free plan
- No
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Paid from
- 29 /mo
- Check frequency
- 1 min
- Response assertions
- Yes
- Multi-region checks
- Yes
- Private locations
- Yes
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 24 /mo
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 7 /mo
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which API monitoring tool is ranked first on Everything Xiaomi?
Site24x7 API Monitoring is ranked #1 of 27 with a score of 7.5. APIContext is second and Dotcom-Monitor third.
How many of these have a free plan?
10 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Sematext Synthetics has the lowest first paid tier we found: $2/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.