---
title: API Reference (Node.js)
url: /docs/reference/pkg/nodejs/
---
* [**Pulumi SDK** (`@pulumi/pulumi`)](/docs/reference/pkg/nodejs/pulumi/pulumi/) — the core Pulumi SDK for Node.js.
* [**Pulumi Policy SDK** (`@pulumi/policy`)](/docs/reference/pkg/nodejs/pulumi/policy/) — for authoring policy packs for Pulumi Policies in TypeScript or JavaScript.
* [**Pulumi ESC SDK** (`@pulumi/esc-sdk`)](/docs/reference/pkg/nodejs/pulumi/esc-sdk/) — for programmatically interacting with Pulumi ESC (Environments, Secrets, and Configuration).