How it plugs in
—Public API
NoOpen source
YesFree tier
Signal on Backend as a Service (BaaS) Software6.4#2 of 20
Kuzzle Backend is an open-source backend intended to accelerate development of web, mobile, and IoT applications.

Pricing
- Kuzzle Backend Open SourceOpen-source backend; the page lists no usage limits or priceFree
As kuzzle.io lists them, checked 8 Oct 2026.