MusicKit JWT Token Generator

MusicKitTokenGenerator.js

"use strict";

const fs = require("fs");
const jwt = require("jsonwebtoken");
const request = require("request");

const privateKey = fs.readFileSync("AuthKey.p8").toString(); //your MusicKit private key
const jwtToken = jwt.sign({}, privateKey, {
    algorithm: "ES256",
    expiresIn: "180d",
    issuer: "**********", //your 10-character Team ID, obtained from your developer account
    header: {
        alg: "ES256",
        kid: "**********" //your MusicKit Key ID
    }
});

console.log("Your developer token:", jwtToken, "\n");

// sample service call
request.get(
    {
        url: "https://api.music.apple.com/v1/catalog/us/songs/203709340",
        auth: {
            bearer: jwtToken
        },
        json: true
    },
    (err, httpResponse, body) => {
        if (err) {
            console.log('error:')
            console.error(err);
        } else {
            console.log('success:')
            console.log(body);
        }
    }
);