export-to-pdf.ts

const jwt = require( 'jsonwebtoken' );
const axios = require( 'axios' );

const secret = 'API secret';
const payload = {
    aud: 'Environment ID',
    iat: Date.now(),
}

const token = jwt.sign( payload, secret, { algorithm: 'HS256' } );

axios( {
    method: 'post',
    url: '"API base URL"/convert',
    data: {
        html: "<p>I am a teapot</p>",
        css: "p { color: red; }",
        options: {
            margin_top: "2cm"
        }
    },
    headers: {
        'Authorization': token
    }
} ).then( response => {
    console.log( response );
} ).catch( error => {
    console.log( error );
} );