Countly

API

Open-source web analytics API for real-time user behavior insights

Overview

Countly is an open-source web analytics API delivering real-time data on user behavior, session activity, conversion funnels, and retention rates. Key endpoints include event tracking (log user actions), session management (start/end sessions), and funnel analysis (monitor conversion paths). Responses are in JSON format, enabling seamless integration with web and mobile apps. Use cases include optimizing user engagement, identifying performance bottlenecks, and measuring retention—with self-hosting options giving teams full control over their analytics data.

Example Integration (JavaScript)

script.js JS


fetch('https://api.count.ly/reference')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

Open Source
RESTful
JSON Support
Real-time Insights
Self-hostable
Event & Session Tracking

Frequently Asked Questions

? Is Countly free to use?

Countly offers a free open-source version for self-hosting, plus paid cloud tiers for managed solutions with additional features.

? Does Countly require an API Key?

Yes, an API key is needed for authenticating requests to Countly's endpoints, ensuring secure access to analytics data.

? What response format does Countly use?

Countly API responses are primarily in JSON format, widely supported by most programming languages and integration tools.

Top Alternatives

Matomo Compare

Google Analytics Compare

Mixpanel Search Google

Tool Info

Pricing Freemium

Category Open Source Projects

Platform Public API

Pros

⊕ Full data control (self-hosted)
⊕ Customizable via open-source code
⊕ Real-time analytics updates
⊕ No vendor lock-in

Cons

⊖ Self-hosting requires technical setup
⊖ Advanced cloud features are paid
⊖ Steeper learning curve for complex analytics