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Alerta

On the record

Alert customization
Alerts can include multiple services, tags in any format, and custom attributes.alerta.io · read 2 Oct 2026
Alert format
Alerts are submitted in JSON format to an HTTP API, and alerts can also be queried from the command line.alerta.io · read 2 Oct 2026
Alert processing
The API can correlate, de-duplicate, or suppress alerts from multiple sources.docs.alerta.io · read 3 Oct 2026
Authentication
Authentication options include Basic Auth, LDAP, OpenID Connect, SAML 2.0, OAuth2, CAS, API keys, and HMAC authentication.docs.alerta.io · read 3 Oct 2026
Components
Alerta combines a JSON API server with a web UI and command-line tool.docs.alerta.io · read 3 Oct 2026
Customer views
A single Alerta instance can separate alerts by customer so customers can only see and action their own alerts while administrators can see all customers’ alerts.alerta.io · read 2 Oct 2026
De-duplication
Alerts with the same environment, resource and event are de-duplicated when received with the same severity.docs.alerta.io · read 2 Oct 2026
Deployment
Alerta can be deployed using Docker, and its quick start also documents installing the server and CLI with pip.docs.alerta.io · read 3 Oct 2026
Docker
The official Docker image includes the API server, web UI, housekeeping, plugins, webhooks and authentication providers.docs.alerta.io · read 2 Oct 2026
Extensibility
Python plugins can extend Alerta without modifying its core source code.docs.alerta.io · read 3 Oct 2026
Flexible alert data
An alert can have multiple services, tags in any format, and custom attributes.alerta.io · read 3 Oct 2026
Integrations
Built-in webhooks include AWS CloudWatch, Grafana, PagerDuty, Pingdom, Prometheus Alertmanager, Slack, Google Stackdriver, and Telegram.docs.alerta.io · read 3 Oct 2026
Maker
The homepage copyright line names Nick Satterly.alerta.io · read 2 Oct 2026
Monitoring sources
The homepage lists integrations for Prometheus, Riemann, Nagios, Zabbix, netdata, Sensu, Pingdom and CloudWatch.alerta.io · read 2 Oct 2026
Purpose
Alerta consolidates and de-duplicates alerts from multiple sources for at-a-glance visualization.docs.alerta.io · read 3 Oct 2026
Security configuration
Authentication is disabled by default, and the documentation advises enabling it and using HTTPS/SSL when the web UI is publicly accessible.docs.alerta.io · read 2 Oct 2026
Security guidance
The deployment documentation advises enforcing authentication and HTTPS/SSL when the web UI is publicly accessible.docs.alerta.io · read 3 Oct 2026
Support
The project lists Slack, a FAQ, and a GitHub issue tracker as support resources.docs.alerta.io · read 3 Oct 2026

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