— Get started

Get up and running in five minutes

One SDK covers events, errors, flags, and sessions. Pick your runtime and follow the guide.

Pick your SDK

@emit-vision/sdk-js
Browser

Drop into any browser-based JS app. Captures errors and custom events automatically.

@emit-vision/sdk-react
React

Provider and hook for React apps. Ties sessions to your component tree.

@emit-vision/sdk-next
Next.js

App-router helper that instruments server components and API routes.

@emit-vision/sdk-node
Node.js

Express middleware and Fastify plugin for server-side event capture.

Quick install

pnpm add @emit-vision/sdk-js
npm install @emit-vision/sdk-js
yarn add @emit-vision/sdk-js
import { init } from "@emit-vision/sdk-js";

init({ apiKey: "evk_your_ingest_key" });

What gets captured?

  • Custom events via emit("event.name", properties)
  • Unhandled errors and promise rejections
  • Feature flag exposures
  • Session timelines tied to a user identity