Segment
Customer data platform that collects, cleans, and routes event data to hundreds of downstream analytics and marketing tools.
Segment is the leading customer data platform (CDP) that acts as a single API for collecting user events and routing them to analytics, marketing, data warehouse, and other downstream tools. It solves the "data plumbing" problem by providing a unified tracking layer.
Key Features
Single tracking API for web, mobile, and server-side events. 400+ pre-built integrations. Identity resolution across devices and channels. Protocols for data governance and schema enforcement. Audiences for real-time user segmentation. Reverse ETL for sending warehouse data back to tools.
Best For
Companies using multiple analytics and marketing tools that want a single source of truth for event data. Teams that want to swap or add new tools without re-instrumenting. Organizations that need identity resolution across platforms.
Limitations
Can become expensive quickly at scale — pricing is based on tracked users (MTUs). Adds a layer of complexity and potential latency to your data pipeline. Some integrations are "cloud mode" only, meaning data routes through Segment's servers rather than directly.
| Plan | Price | Details |
|---|---|---|
| Free | Free | Up to 1,000 visitors/month, 2 sources |
| Team | $120/mo | 10,000 visitors/mo included |
| Business | Custom | Starting ~$12K/year; typically $50K-$300K+/year |
Used by
IBM · Intuit · Levi's · Gap · Bonobos · DigitalOcean · Instacart · Peloton
Use cases
- Unifying event tracking across web, mobile, and backend
- Routing data to multiple tools without re-instrumentation
- Enforcing data quality with schema governance
- Resolving user identity across anonymous and authenticated sessions
Alternatives
- RudderStack — Open-source customer data platform and event streaming infrastructure built for data warehouse-first architectures. (Free)