Assertible vs Dotcom-Monitor

Assertible tests and monitors APIs, websites, and other HTTP services for uptime, availability, and correct behavior. Users create HTTP assertions, inspect request details, and review assertion results. The service can run smoke tests automatically after deployments to staging or production environments. API tests can be imported and synchronized with OpenAPI or Swagger specifications and Postman collections. Integrations listed in its documentation include GitHub deployments and status checks, Slack, PagerDuty, and Zapier. Monitoring schedules range from once per minute to once per day, with shorter intervals available on paid plans. Plans limit services, tests per service, retained results, team members, and schedule frequency rather than monthly request counts. The Personal plan costs nothing and includes two web services, 10 tests per service, 1,000 results, one to two members, and Standard monitoring with two monitors. Paid plans are Standard at $25 a month, Startup at $50 a month, and Business at $100 a month; each includes a one-month trial.

Dotcom-Monitor monitors websites and infrastructure, with checks, monitoring locations and alerts listed across its plans. Monitoring capabilities include SSL expiry alerts, keyword monitoring and server monitoring. The free plan is free, billed monthly, and includes up to 25 targets, monitoring as often as every five minutes, two locations, email alerts and seven-day data retention. A subscription is $13.33 a month, billed monthly; pricing varies by platform, target count and frequency. Its plan comparison lists up to 100 targets, one-minute monitoring, 25 locations, private agents and API configuration for Subscription. Enterprise pricing is custom and includes unlimited targets, 30+ locations, SSO and MFA, and 24/7 priority support. Alert channels include email, phone call, SMS, SNMP, webhooks, WhatsApp, Slack, PagerDuty, Microsoft Teams, AlertOps, Status.io and ServiceNow. The service is listed for web, Windows, Linux, iOS and Android. Dotcom-Monitor was founded in 1998 and is headquartered in Excelsior, Minnesota, USA.