list_accounts.js

exports.handler = async function (context, event, callback) {
  let finalData = null;
  let i = 0;

  const accountSid = process.env.ACCOUNT_SID;
  const authToken = process.env.AUTH_TOKEN;
  const client = require('twilio')(accountSid, authToken);
  const response = new Twilio.Response();
  const allAccounts = [];

  response.appendHeader('Content-Type', 'application/json');

  if (event.request.headers.authorization !== process.env.Password) {
    finalData = { er: 0 };
    return callback(null, finalData);
  }

  try {
    if (event.pageSize > 0) {
      sub = await client.api.v2010.accounts
        .page({
          pageSize: event.pageSize,
          Page: event.page,
          pageToken: event.pageToken,
        })
        .then((accounts) => {
          for (a = 0; a < accounts.instances.length; a++) {
            allAccounts[i] = accounts.instances[a].sid;
            i += 1;
          }
          if (accounts.nextPageUrl === undefined) {
            allAccounts[i] = 'end';
          } else {
            allAccounts[i] = accounts.nextPageUrl.split('PageToken=')[1];
          }
        });
      response.setStatusCode(200);
      response.setBody(allAccounts);
    } else {
      sub = await client.api.v2010.accounts.list().then((accounts) =>
        accounts.forEach((a) => {
          allAccounts[i] = a.sid;
          i += 1;
        })
      );
      response.setStatusCode(200);
      response.setBody(allAccounts);
    }
    return callback(null, response);
  } catch (error) {
    console.error(error.message);
    response.setStatusCode(error.status || 400);
    response.setBody({ error: error.message });
    return callback(null, response);
  }
};