countex docs
START HERE

Build your first Countex counter

Install the package, define a CounterMap, preview its cells, ingest events, flush, and query.

Read Book 00
Local quick start
  1. 1npm install @x12i/countex
  2. 2Define a CounterMap and create an in-memory client
  3. 3Preview, ingest, flush, and query
Full tutorial
Production path
  1. 1Add MongoDB and optionally Redis
  2. 2Configure idempotency and cardinality controls
  3. 3Add lifecycle metrics, backup, and graceful shutdown
Production operations

Node.js 18 or later is required by @x12i/countex. MongoDB and Redis are optional peer dependencies; install only the adapters your deployment uses.