Programming language: Python
License: BSD 3-clause "New" or "Revised" License
Tags: Monitoring    
Latest version: v1.22.0

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Screenshot of Welcome page

Screenshot of My Checks page

Screenshot of Period/Grace dialog

Screenshot of Cron dialog

Screenshot of Integrations page

Healthchecks is a cron job monitoring service. It listens for HTTP requests and email messages ("pings") from your cron jobs and scheduled tasks ("checks"). When a ping does not arrive on time, Healthchecks sends out alerts.

Healthchecks comes with a web dashboard, API, 25+ integrations for delivering notifications, monthly email reports, WebAuthn 2FA support, team management features: projects, team members, read-only access.

The building blocks are:

  • Python 3.6+
  • Django 3
  • PostgreSQL or MySQL

Healthchecks is licensed under the BSD 3-clause license.

Healthchecks is available as a hosted service at https://healthchecks.io/.

Setting Up for Development

To set up Healthchecks development environment:

  • Install dependencies (Debian/Ubuntu):

    $ sudo apt-get update
    $ sudo apt-get install -y gcc python3-dev python3-venv libpq-dev
  • Prepare directory for project code and virtualenv. Feel free to use a different location:

    $ mkdir -p ~/webapps
    $ cd ~/webapps
  • Prepare virtual environment (with virtualenv you get pip, we'll use it soon to install requirements):

    $ python3 -m venv hc-venv
    $ source hc-venv/bin/activate
    $ pip3 install wheel # make sure wheel is installed in the venv
  • Check out project code:

    $ git clone https://github.com/healthchecks/healthchecks.git
  • Install requirements (Django, ...) into virtualenv:

    $ pip install -r healthchecks/requirements.txt
  • Create database tables and a superuser account:

    $ cd ~/webapps/healthchecks
    $ ./manage.py migrate
    $ ./manage.py createsuperuser

With the default configuration, Healthchecks stores data in a SQLite file hc.sqlite in the checkout directory (~/webapps/healthchecks).

To use PostgreSQL or MySQL, see the section Database Configuration section below.

  • Run tests:

    $ ./manage.py test
  • Run development server:

    $ ./manage.py runserver

The site should now be running at http://localhost:8000. To access Django administration site, log in as a superuser, then visit http://localhost:8000/admin/


Healthchecks reads configuration from environment variables.

Full list of configuration parameters.

Accessing Administration Panel

Healthchecks comes with Django's administration panel where you can manually view and modify user accounts, projects, checks, integrations etc. To access it,

  • if you haven't already, create a superuser account: ./manage.py createsuperuser
  • log into the site using superuser credentials
  • in the top navigation, "Account" dropdown, select "Site Administration"

Sending Emails

Healthchecks must be able to send email messages, so it can send out login links and alerts to users. Specify your SMTP credentials using the following environment variables:

EMAIL_HOST = "your-smtp-server-here.com"
EMAIL_HOST_USER = "smtp-username"
EMAIL_HOST_PASSWORD = "smtp-password"

For more information, have a look at Django documentation, Sending Email section.

Receiving Emails

Healthchecks comes with a smtpd management command, which starts up a SMTP listener service. With the command running, you can ping your checks by sending email messages to [email protected] email addresses.

Start the SMTP listener on port 2525:

$ ./manage.py smtpd --port 2525

Send a test email:

$ curl --url 'smtp://' \
    --mail-from '[email protected]' \
    --mail-rcpt '[email protected]' \
    -F '='

Sending Status Notifications

healtchecks comes with a sendalerts management command, which continuously polls database for any checks changing state, and sends out notifications as needed. Within an activated virtualenv, you can manually run the sendalerts command like so:

$ ./manage.py sendalerts

In a production setup, you will want to run this command from a process manager like supervisor or systemd.

Database Cleanup

With time and use the Healthchecks database will grow in size. You may decide to prune old data: inactive user accounts, old checks not assigned to users, records of outgoing email messages and records of received pings. There are separate Django management commands for each task:

  • Remove old records from api_ping table. For each check, keep 100 most recent pings:

    $ ./manage.py prunepings

Note: 100 is the default value but you can configure a different limit per-user. To do that, go to the Administration Panel, look up user's Profile and modify its "Ping log limit" field.

  • Remove old records of sent notifications. For each check, remove notifications that are older than the oldest stored ping for same check.

    $ ./manage.py prunenotifications
  • Remove user accounts that match either of these conditions:

    • Account was created more than 6 months ago, and user has never logged in. These can happen when user enters invalid email address when signing up.
    • Last login was more than 6 months ago, and the account has no checks. Assume the user doesn't intend to use the account any more and would probably want it removed.
    $ ./manage.py pruneusers
  • Remove old records from the api_tokenbucket table. The TokenBucket model is used for rate-limiting login attempts and similar operations. Any records older than one day can be safely removed.

    $ ./manage.py prunetokenbucket
  • Remove old records from the api_flip table. The Flip objects are used to track status changes of checks, and to calculate downtime statistics month by month. Flip objects from more than 3 months ago are not used and can be safely removed.

    $ ./manage.py pruneflips

When you first try these commands on your data, it is a good idea to test them on a copy of your database, not on the live database right away. In a production setup, you should also have regular, automated database backups set up.

Two-factor Authentication

Healthchecks optionally supports two-factor authentication using the WebAuthn standard. To enable WebAuthn support, set the RP_ID (relying party identifier ) setting to a non-null value. Set its value to your site's domain without scheme and without port. For example, if your site runs on https://my-hc.example.org, set RP_ID to my-hc.example.org.

Note that WebAuthn requires HTTPS, even if running on localhost. To test WebAuthn locally with a self-signed certificate, you can use the runsslserver command from the django-sslserver package.

External Authentication

Healthchecks supports external authentication by means of HTTP headers set by reverse proxies or the WSGI server. This allows you to integrate it into your existing authentication system (e.g., LDAP or OAuth) via an authenticating proxy. When this option is enabled, healtchecks will trust the header's value implicitly, so it is very important to ensure that attackers cannot set the value themselves (and thus impersonate any user). How to do this varies by your chosen proxy, but generally involves configuring it to strip out headers that normalize to the same name as the chosen identity header.

To enable this feature, set the REMOTE_USER_HEADER value to a header you wish to authenticate with. HTTP headers will be prefixed with HTTP_ and have any dashes converted to underscores. Headers without that prefix can be set by the WSGI server itself only, which is more secure.

When REMOTE_USER_HEADER is set, Healthchecks will:

  • assume the header contains user's email address
  • look up and automatically log in the user with a matching email address
  • automatically create an user account if it does not exist
  • disable the default authentication methods (login link to email, password)



To enable the Slack "self-service" integration, you will need to create a "Slack App".

To do so:

  • Create a new Slack app on https://api.slack.com/apps/
  • Add at least one scope in the permissions section to be able to deploy the app in your workspace (By example incoming-webhook for the Bot Token Scopes https://api.slack.com/apps/APP_ID/oauth?).
  • Add a redirect url in the format SITE_ROOT/integrations/add_slack_btn/. For example, if your SITE_ROOT is https://my-hc.example.org then the redirect URL would be https://my-hc.example.org/integrations/add_slack_btn/.
  • Look up your Slack app for the Client ID and Client Secret at https://api.slack.com/apps/APP_ID/general? . Put them in SLACK_CLIENT_ID and SLACK_CLIENT_SECRET environment variables.


To enable Discord integration, you will need to:

  • register a new application on https://discordapp.com/developers/applications/me
  • add a redirect URI to your Discord application. The URI format is SITE_ROOT/integrations/add_discord/. For example, if you are running a development server on localhost:8000 then the redirect URI would be http://localhost:8000/integrations/add_discord/
  • Look up your Discord app's Client ID and Client Secret. Put them in DISCORD_CLIENT_ID and DISCORD_CLIENT_SECRET environment variables.


Pushover integration works by creating an application on Pushover.net which is then subscribed to by Healthchecks users. The registration workflow is as follows:

  • On Healthchecks, the user adds a "Pushover" integration to a project
  • Healthchecks redirects user's browser to a Pushover.net subscription page
  • User approves adding the Healthchecks subscription to their Pushover account
  • Pushover.net HTTP redirects back to Healthchecks with a subscription token
  • Healthchecks saves the subscription token and uses it for sending Pushover notifications

To enable the Pushover integration, you will need to:

  • Register a new application on Pushover via https://pushover.net/apps/build.
  • Within the Pushover 'application' configuration, enable subscriptions. Make sure the subscription type is set to "URL". Also make sure the redirect URL is configured to point back to the root of the Healthchecks instance (e.g., http://healthchecks.example.com/).
  • Put the Pushover application API Token and the Pushover subscription URL in PUSHOVER_API_TOKEN and PUSHOVER_SUBSCRIPTION_URL environment variables. The Pushover subscription URL should look similar to https://pushover.net/subscribe/yourAppName-randomAlphaNumericData.


Healthchecks uses signal-cli to send Signal notifications. Healthcecks interacts with signal-cli over DBus.

To enable the Signal integration:

  • Set up and configure signal-cli to listen on DBus system bus (instructions). Make sure you can send test messages from command line, using the dbus-send example given in the signal-cli instructions.
  • Set the SIGNAL_CLI_ENABLED environment variable to True.


  • Create a Telegram bot by talking to the BotFather. Set the bot's name, description, user picture, and add a "/start" command.
  • After creating the bot you will have the bot's name and token. Put them in TELEGRAM_BOT_NAME and TELEGRAM_TOKEN environment variables.
  • Run settelegramwebhook management command. This command tells Telegram where to forward channel messages by invoking Telegram's setWebhook API call:

    $ ./manage.py settelegramwebhook
    Done, Telegram's webhook set to: https://my-monitoring-project.com/integrations/telegram/bot/

For this to work, your SITE_ROOT needs to be correct and use "https://" scheme.


To enable Apprise integration, you will need to:

  • ensure you have apprise installed in your local environment: bash pip install apprise
  • enable the apprise functionality by setting the APPRISE_ENABLED environment variable.

Shell Commands

The "Shell Commands" integration runs user-defined local shell commands when checks go up or down. This integration is disabled by default, and can be enabled by setting the SHELL_ENABLED environment variable to True.

Note: be careful when using "Shell Commands" integration, and only enable it when you fully trust the users of your Healthchecks instance. The commands will be executed by the manage.py sendalerts process, and will run with the same system permissions as the sendalerts process.


To enable the Matrix integration you will need to:

  • Register a bot user (for posting notifications) in your preferred homeserver.
  • Use the Login API call to retrieve bot user's access token. You can run it as shown in the documentation, using curl in command shell.
  • Set the MATRIX_ environment variables. Example:
[email protected]:matrix.org
MATRIX_ACCESS_TOKEN=[a long string of characters returned by the login call]

PagerDuty Simple Install Flow

To enable PagerDuty Simple Install Flow,

  • Register a PagerDuty app at PagerDuty › Developer Mode › My Apps
  • In the newly created app, add the "Events Integration" functionality
  • Specify a Redirect URL: https://your-domain.com/integrations/add_pagerduty/
  • Copy the displayed app_id value (PXXXXX) and put it in the PD_APP_ID environment variable

Running in Production

Here is a non-exhaustive list of pointers and things to check before launching a Healthchecks instance in production.

  • Environment variables, settings.py and local_settings.py.
    • DEBUG. Make sure it is set to False.
    • ALLOWED_HOSTS. Make sure it contains the correct domain name you want to use.
    • Server Errors. When DEBUG=False, Django will not show detailed error pages, and will not print exception tracebacks to standard output. To receive exception tracebacks in email, review and edit the ADMINS and SERVER_EMAIL settings. Consider setting up exception logging with Sentry.
  • Management commands that need to be run during each deployment.
    • manage.py compress – creates combined JS and CSS bundles and places them in the static-collected directory.
    • manage.py collectstatic – collects static files in the static-collected directory.
    • manage.py migrate – applies any pending database schema changes and data migrations.
  • Processes that need to be running constantly.
    • manage.py runserver is intended for development only. Do not use it in production, instead consider using uWSGI or gunicorn.
    • manage.py sendalerts is the process that monitors checks and sends out monitoring alerts. It must be always running, it must be started on reboot, and it must be restarted if it itself crashes. On modern linux systems, a good option is to define a systemd service for it.
  • Static files. Healthchecks serves static files on its own, no configuration required. It uses the Whitenoise library for this.
  • General
    • Make sure the database is secured well and is getting backed up regularly
    • Make sure the TLS certificates are secured well and are getting refreshed regularly
    • Have monitoring in place to be sure the Healthchecks instance itself is operational (is accepting pings, is sending out alerts, is not running out of resources).

*Note that all licence references and agreements mentioned in the Healthchecks README section above are relevant to that project's source code only.