AlertSite
AlertSite: A broad synthetic monitoring platform for enterprise browser and API transactions. Ranked #19 of 42 in Synthetic Monitoring by our editors (7.4/10); pricing: Pricing on request · 30-day trial; best for enterprise browser and API transaction monitoring.
At a glance
- Editor score7.4 / 10
- PricingPricing on request · 30-day trial
- Best forEnterprise browser and API transaction monitoring
- Free planNo
- Facts checked20 Sep 2026

Where it wins
- Global public and private nodes support varied monitoring locations.
- Browser journeys and multi-step API transactions support deep checks.
- Verified alerts, SLA reports, and automation APIs support operations teams.
Where it doesn't
- There is no free plan for ongoing lightweight monitoring.
- Pricing is customized through a contact-sales process.
- Its broad feature set may exceed basic uptime-monitoring needs.
Our verdict on AlertSite
AlertSite is a synthetic monitoring platform for websites, web applications, APIs, mobile experiences, and other connected resources. It is designed for development, quality, operations, and enterprise teams that need more than basic availability checks. Monitoring can run from global public locations or private nodes inside customer networks. The platform covers browser transactions, REST and SOAP APIs, multi-step API workflows, response validation, and journey checks, making it suited to customer-facing services and internal applications with several dependencies.
Pricing follows a contact-sales model, and there is no free plan. The dedicated trial offering provides 30 days for evaluation. The published product scope focuses on tailored monitoring rather than a simple self-serve package comparison, so buyers should expect to discuss requirements with SmartBear Software. AlertSite supports operational workflows through integrations with PagerDuty, Slack, OpsGenie, VictorOps, and AppDynamics, while Splunk and Google Analytics extend reporting and analysis use cases. ReadyAPI, SoapUI, Selenium, and OpenAPI/Swagger support fit development and testing ecosystems.
Its standout capability is transaction validation across browser and API paths. DeJaClick records and replays browser transactions, while API monitors can validate responses, retry checks, and verify failures from multiple locations before raising an alert. Dashboards, SLA reporting, waterfall analysis, and a REST API for monitor and results automation add depth for teams managing service performance at scale. AlertSite is a strong fit when transaction accuracy, private network coverage, and verified alerting matter. Teams seeking only straightforward uptime checks may prefer a narrower tool with simpler packaging and less operational scope.
Your product? Our editors can test AlertSite in depth and publish a review, labelled as paid · from $149/mo →
AlertSite pricing
AlertSite fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Locations | Not verified |
| Fastest schedule | Not verified |
| Browser checks | Yes |
| API checks | Yes |
| Transaction checks | Yes |
| Journey checks | Yes |
| Free trial | 30 days · no card needed |
| Deployment | Cloud, Self-hosted |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Mid-market, Enterprise (editorial estimate) |
| Integrations | 11 integrations: ReadyAPI, SoapUI, Selenium, OpenAPI/Swagger, Splunk, Google Analytics … See all → |
| Pricing | Pricing on request · 30-day trial (source) |
| Website | smartbear.com |
| Facts checked | 20 Sep 2026 |
AlertSite integrations
AlertSite lists 11 integrations on its own site.
- ReadyAPI
- SoapUI
- Selenium
- OpenAPI/Swagger
- Splunk
- Google Analytics
- PagerDuty
- Slack
- OpsGenie
- VictorOps
- AppDynamics
See all AlertSite integrations →
Alternatives to AlertSite
- ChecklyBroad synthetic monitoring coverage with a free plan and paid features for growing teams.9.4
- Testable Synthetic MonitoringEvidence-rich synthetic monitoring with browser, API, infrastructure, and private-network coverage.9.2
- Site24x7 Synthetic MonitoringBroad synthetic monitoring with browser, API, private-location, and one-minute coverage.9.0
See all AlertSite alternatives →
Also Ranked In
AlertSite is ranked in 2 of our directories.
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Featured on iTechGuides
AlertSite is listed in our Synthetic Monitoring directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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