API Reference - Sentinel

New: Connect AI assistants via MCPConnect Sentinel to Claude, ChatGPT & AI agents with our MCP server Learn more

Checks

Uptime monitoring SSL certificates DNS records Domain expiry Keyword & content API & JSON Server errors Ping Port

Jobs & agents

Heartbeats Cron jobs Agent payments (x402 / MPP)

Visibility

Response time Multi-region checks Outage confirmation Incident management Status pages Uptime reports

All features →

By role

DevOps & SRE Developers Founders Support teams Marketing teams

By business

Agencies Freelancers SaaS Ecommerce WordPress

Ways to run it

API CLI Terraform AI assistants (MCP)macOS App

Alert channels

SlackOfficial Marketplace app.DiscordAlerts in any channel.Microsoft TeamsIncoming webhook cards.TelegramAlerts from a bot you add.PagerDutyEvents API v2, on Business.

Workflow & code

WebhooksSigned JSON to any endpoint.GitHubDeploy markers and pauses.TerraformMonitors as code, on the Registry.n8nIncidents in, workflows out.Claude & AI agentsMCP server, every plan.

All integrations →

Learn

BlogGuides and comparisons for people who keep sites up.ChangelogWhat shipped, dated the day it did.DocumentationSetting up checks, alerts and status pages.API referenceEvery endpoint, with examples.MCP tools referenceWhat an AI assistant can do with your account.

Free tools

Website Health Check AI Readiness Check Is It Down?SSL & TLS Checker DNS Lookup Website Speed Test Cron Expression Builder Agent Directory All free tools →

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Company

About Contact Sub-processors Monitoring bot

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Checks

Uptime monitoring SSL certificates DNS records Domain expiry Keyword & content API & JSON Server errors Ping Port

Jobs & agents

Heartbeats Cron jobs Agent payments (x402 / MPP)

Visibility

Response time Multi-region checks Outage confirmation Incident management Status pages Uptime reports

All features →

By role

DevOps & SRE Developers Founders Support teams Marketing teams

By business

Agencies Freelancers SaaS Ecommerce WordPress

Ways to run it

API CLI Terraform AI assistants (MCP) macOS App

Alert channels

Slack Discord Microsoft Teams Telegram PagerDuty

Workflow & code

Webhooks GitHub Terraform n8n Claude & AI agents

All integrations →

Learn

Blog Changelog Documentation API reference MCP tools reference

Free tools

Website Health Check AI Readiness Check Is It Down? SSL & TLS Checker DNS Lookup Website Speed Test Cron Expression Builder Agent Directory All free tools →

Compare

vs Pingdom vs UptimeRobot vs StatusCake vs Better Stack vs Uptime Kuma vs Oh Dear

Company

About Contact Sub-processors Monitoring bot

Documentation API Reference

Overview

Introduction
Pagination
Rate Limiting
Errors

Reference

GETCheck a URL

GETList team members
PUTUpdate member role
DELRemove member
GETList invitations
POSTInvite member
PUTUpdate invitation
DELCancel invitation

DOCOverview and fields
GETList monitors
POSTCreate monitor
GETGet monitor
PUTUpdate monitor
DELDelete monitor
POSTPause monitor
POSTResume monitor

DOCOverview and fields
GETList incidents
GETGet incident
PUTUpdate incident
POSTAcknowledge incident
POSTResolve incident

DOCOverview and fields
GETGet billing
PUTUpdate billing

DOCOverview and fields
GETList status pages
POSTCreate status page
GETGet status page
PUTUpdate status page
DELDelete status page

DOCOverview and fields
GETList channels
POSTCreate channel
GETGet channel
PUTUpdate channel
DELDelete channel
POSTTest channel

GETList groups
POSTCreate group
GETGet group
PUTUpdate group
DELDelete group

GETList webhook endpoints
POSTCreate webhook endpoint
GETGet webhook endpoint
PUTUpdate webhook endpoint
DELDelete webhook endpoint
POSTTest webhook endpoint

API Reference

Sentinelby Rootstuff

Global uptime monitoring for developers, DevOps and platform teams. Outages verified across fifteen global regions, with instant alerts for downtime, SSL and DNS changes.

A product byRootstuff

Product

Features
Pricing
Mac menu bar app
Status Pages
Integrations
AI Assistant (MCP)

Monitoring

Uptime monitoring
SSL monitoring
DNS monitoring
Domain expiry
Response time
Multi-region
Outage confirmation
Heartbeat & cron
Agent payments (x402 / MPP)
Incident management

Solutions

For agencies
For freelancers
For SaaS
For ecommerce
For WordPress
For DevOps
For developers
For founders
For support teams
For marketing teams

Compare

vs Pingdom
vs UptimeRobot
vs StatusCake
vs Better Stack
vs Uptime Kuma
vs Oh Dear

Free Tools

Website Health Check
AI Readiness Check
Agent Directory
SSL Checker
DNS Lookup
HTTP Headers
Is It Down?
All free tools

Company

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Changelog
Contact
Documentation
API Reference
Monitoring IPs
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