Looking for a reliable marketing API? Userstack might be exactly what you need.
What is Userstack?
Detect and parse user agents in real-time. Returns browser, OS, device type, and bot detection data for any User-Agent string.
Quick Facts
| Detail | Info |
|---|---|
| Category | Marketing |
| Type | REST API |
| Format | JSON |
| Auth | API Key |
| Free Tier | Yes |
Why Userstack?
- Production-ready — used by 2.2M+ developers on APILayer
- One API key — works across all 40+ APILayer APIs
- Free to start — no credit card required
- Great docs — clear documentation with code examples
- Scalable — from hobby projects to enterprise
Get Started
Try Userstack free — sign up takes 30 seconds, no credit card needed.
Userstack is part of APILayer, a platform with 40+ production-ready APIs under one account and one API key.
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