Hi all,
I'm trying to fetch campaign data from a Google Ads client account via a
newly created MCC (manager) account using the google-ads-api library
(v21.0.1) in Node.js. I followed these steps:
-
Created my own MCC account.
-
Received and accepted an invitation from the client, giving me read-only
access to their account.
-
Verified the client account is showing under my MCC account in the
Google Ads UI.
-
Acquired OAuth refresh token (flow works, tokens issued).
-
Developer token is APPROVED for standard access.
-
Using client IDs and MCC IDs *without dashes*.
Here’s the code I’m running:
js
const { GoogleAdsApi, enums } = require('google-ads-api'); const client =
new GoogleAdsApi({ client_id: '...', client_secret: '...', developer_token:
'...', }); const customer = client.Customer({ customer_id: 'xxxxxxxxxx', //
client/customer account (no dashes) login_customer_id: 'yyyyyyyyyy', // my
MCC account (no dashes) refresh_token: '...', }); async function
fetchCampaigns() { try { const campaigns = await customer.report({ entity:
'campaign', attributes: ['campaign.id', 'campaign.name'], metrics: [
'metrics.impressions', 'metrics.clicks'], limit: 10, constraints: {
'campaign.status': enums.CampaignStatus.ENABLED, }, }); if (!campaigns ||
campaigns.length === 0) { console.log('No campaigns found'); return; }
campaigns.forEach(campaign => { console.log(`ID: ${campaign['campaign.id']},
Name: ${campaign['campaign.name']}`); }); } catch (error) {
console.error('Error
fetching campaigns:', error); } } fetchCampaigns();
But every run gives me this error:
text
No data type found for reason No data type found for domain No data type
found for metadata.service No data type found for metadata.method Error
fetching campaigns: TypeError: Cannot read properties of undefined (reading
'get') at Customer.getGoogleAdsError
(.../google-ads-api/build/src/service.js:102:49) ...
*Things I've already checked:*
-
Both IDs are correct and have full account access (client account
appears in MCC UI).
-
Developer token, OAuth credentials, and permissions should be valid.
-
Dashes have been removed from IDs.
-
Tried with and without login_customer_id.
-
Using latest Node 20+ and latest google-ads-api package.
*Questions:*
-
Is this error due to account permissions, API setup, or a bug in the
library?
-
Any additional steps needed after accepting a client account invitation
in MCC?
-
Should API access work for an MCC managing a client with read-only
access, or is higher permission needed?
-
Has anyone resolved this 'undefined get' error in google-ads-api/report?
Any help or insight would be greatly appreciated!
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