Installation

Add the Auther backend SDK to your Node.js server to verify end-user tokens on every request.

Supported runtimes

Node.js ≥ 18

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Install

bash

npm install @auther-sdk/node

Initialise

Create one Auther instance per project and export it. endpoint defaults to the Auther production API. Set it explicitly to point at a local or self-hosted backend; it is never switched automatically based on your environment.

typescript

import { Auther } from '@auther-sdk/node';

export const auther = new Auther({
  clientId:     process.env.AUTHER_CLIENT_ID!,
  clientSecret: process.env.AUTHER_CLIENT_SECRET!,

  // Optional. Defaults to the Auther production API.
  // endpoint: 'http://localhost:4000',

  // Optional. Max wait for a verification request before failing
  // with 504, so a slow backend cannot hang your request. Default 5000.
  // timeoutMs: 5000,
});

Environment variables

Store your credentials in environment variables - never hardcode secrets.

bash

# .env
AUTHER_CLIENT_ID=req_live_xxxxxxxxxxxxxxxx
AUTHER_CLIENT_SECRET=sk_live_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Zero dependencies

The SDK uses Node's built-in https module. No extra runtime packages required.