Inngest NPM | npm.io

Inngest enables serverless event-driven queues, background jobs, and scheduled jobs for TypeScript. Works with any framework and platform.

On any serverless platform (Next.js, Deno Deploy, RedwoodJS, AWS Lambda, and anything else) and with no extra infrastructure:

⚡ Write background jobs
🕐 Create scheduled and cron jobs
♻️ Build serverless queues
🪜 Write complex step functions
🚘 Build serverless event-driven systems
🪝 Reliably respond to webhooks, with retries and payloads stored for history

👋 Have a question or feature request? Join our Discord!

Getting started

Install Inngest:

npm install inngest  # or yarn add inngest

Writing functions

Write serverless functions and background jobs right in your own code:

import { Inngest } from "inngest";

const inngest = new Inngest({ id: "my-app" });

// This function will be invoked by Inngest via HTTP any time
// the "app/user.signup" event is sent to to Inngest
export default inngest.createFunction(
  { id: "user-onboarding-communication" },
  { event: "app/user.signup" },
  async ({ event, step }) => {
    await step.run("Send welcome email", async () => {
      await sendEmail({
        email: event.data.email,
        template: "welcome",
      });
    });
  }
);

Functions are triggered by events which can be sent via this SDK, webhooks, integrations, or with a simple HTTP request.
When a matching event is received, Inngest invokes the function automatically, with built-in retries.

Serving your functions

Inngest invokes functions via HTTP, so you need to serve them using an adapter for the framework of your choice. See all frameworks here in our docs. Here is an example using the Next.js serve handler:

// /pages/api/inngest.ts
import { Inngest } from "inngest";
// See the "inngest/next" adapter imported here:
import { serve } from "inngest/next";
import myFunction from "../userOnboardingCOmmunication"; // see above function

// You can create this in a single file and import where it's needed
const inngest = new Inngest({ id: "my-app" });

// Securely serve your Inngest functions for remote invocation:
export default serve(inngest, [myFunction]);

Sending events to trigger functions

// Send events
import { Inngest } from "inngest";
const inngest = new Inngest({ id: "my-app" });

// This will run the function above automatically, in the background
inngest.send("app/user.signup", {
  data: { email: "text@example.com", user_id: "12345" },
});

Events can trigger one or more functions automatically, enabling you to fan-out work.
Inngest stores a history of all events for observability, testing, and replay.

Features

Fully serverless: Run background jobs, scheduled functions, and build event-driven systems without any servers, state, or setup
Works with your framework: Works with Next.js, Redwood, Express, Cloudflare Pages, Nuxt, Fresh (Deno), and Remix
Deploy anywhere: Keep deploying to your existing platform: Vercel, Netlify, Cloudflare, Deno, Digital Ocean, etc.
Use your existing code: Write functions within your current project and repo
Fully typed: Event schemas, versioning, and governance out of the box
Observable: A full UI for managing and inspecting your functions

Contributing

Check out CONTRIBUTING.md to get started.

@types/debug canonicalize chalk cross-fetch debug h3 hash.js json-stringify-safe ms serialize-error-cjs strip-ansi zod

@infinitebrahmanuniverse/nolb-inn @everything-registry/sub-chunk-1915 @zalastax/nolb-inn @skillrecordings/skill-lesson envelop-plugin-inngest nuxt-inngest @coursebuilder/core @coursebuilder/next @lightdotso/api @lightdotso/inngest

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