API-First Habit Tracking for Developers

Track your habits with REST API, NFC Tags, Apple Shortcuts, Your Creativity!

An open-source, API-first habit tracker that seamlessly integrates with your workflow. Easy import/export, self-hosted, and no ads.

Habits as code

Simple, powerful REST API that lets you track habits from anywhere. CLI, mobile apps, smart watches, or even your coffee machine.

REST API

Track habits with simple HTTP requests.

Custom frequency

Track habits with custom frequencies. Daily, weekly, monthly, or even custom intervals.

Rich Metadata

Coming soon

Add custom data to your habits like mood, location, or any metric you want.

curl 'https://api.cronhabits.com/habits//track' \
  -X POST \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer ' \
  -d '{
    "date": "2025-02-01",
    "value": 65,
    "metadata": {
      "source": "MFP iOS calorie adjustment",
      "type": "cardio",
    }
  }'

Connect with everything you use

Connect your habits with the tools you already use. From smart watches to home automation, the possibilities are endless.

Multiple Sources

Track habits from your phone, watch, or any IoT device.

Automation Ready

Perfect for Home Assistant, IFTTT, or custom scripts.

API Key Auth

Authenticate with API keys for automated and secure tracking.

Your data, your control

Your habits, your data. Import from other apps, export anytime, and keep your data under your control.

Easy Migration

Import your data from other habit tracking apps in seconds.

Data Portability

Export your complete history in standard JSON format.

curl 'https://api.cronhabits.com/habits//activities/import' \
  -X POST \
  -H 'Content-Type: application/json' \
  -H 'x-api-key: ' \
  -d '{
    "activities": [
      {
        "date": "2024-03-21",
        "value": 5,
        "metadata": {
          "imported_from": "other_app",
          "original_id": "abc-123"
        }
      },
    ]
  }'

Beautiful insights at a glance

Access your habits through our beautiful web client. Get insights with built-in charts and visualizations designed for habit tracking.

Web Client

Track and visualize your habits from your devices with our web client.

Built-in Analytics

Track your progress with heatmaps, streaks, and trend analysis.

Web client dashboard showing habit analytics

Data that tells your story

Create custom visualizations and dashboards with your habit data. From simple charts to complex analytics, the possibilities are endless.

Custom Charts

Build your own visualizations using your favorite charting library.

Correlation Analysis

Connect habits with other data sources to find patterns and insights.

curl 'https://api.cronhabits.com/habits/meditation/activities' \
  -H 'x-api-key: YOUR_API_KEY' \
  -G \
  --data-urlencode 'start_date=2025-02-01' \
  --data-urlencode 'end_date=2025-02-03' \
{
    "id": "be00a368-f944-4861-b9b4-a0ca87f8b28e",
    "title": "Meditation",
    "frequency": {
        "frequencyType": "DAILY",
    },
    "completions": [
        {
            "id": "02f740a5-0119-4b01-92b0-ca8433c54793",
            "slug": "meditation",
            "status": "CHECKED", 
            "date": "2025-02-01",
            "count": 1,
            "metadata": {
              "mood": "calm",
              "weather": "sunny",
              "notes": "Great meditation session today!"
            }
        },
    ]
}

Self-host or use our managed cloud

Choose between self-hosting or our managed cloud. Your subscription helps support development and hosting costs.

Cloud Fremium

Let us handle the hosting

Free

15 habits
Full API access
Managed hosting
Built-in analytics
Import/Export*
Priority support
Metadata management (soon)

Support the project

Cloud+

Support the project and get priority support and some other perks

$5/month

Unlimited habits
Full API access
Managed hosting
Built-in analytics
Import/Export
Priority support
Metadata management (soon)

Self-Hosted

Manage the infrastructure and host it yourself