Data Manager API responds with 500

Google Tag Manager Server Container
1

I’m trying to get offline conversions working using the Data Manager API connector.

Request:

{
  "method": "POST",
  "protocol": "https:",
  "hostname": "reducted.usb.stape.io",
  "pathname": "https://reducted.usb.stape.io/stape-api/bed7deeba42586691d1d0045bd85381ae4380078reducted/v2/data-manager/events/ingest",
  "searchParams": {}
}

Body:

{
  "validateOnly": false,
  "destinations": [
    {
      "reference": "XXXXXXXX",
      "productDestinationId": "XXXXXXXX",
      "operatingAccount": {
        "accountType": "GOOGLE_ADS",
        "accountId": "XXXXXXXX"
      },
      "linkedAccount": {
        "accountType": "GOOGLE_ADS",
        "accountId": "XXXXXXXX"
      }
    }
  ],
  "consent": {
    "adUserData": "CONSENT_GRANTED",
    "adPersonalization": "CONSENT_GRANTED"
  },
  "events": [
    {
      "eventTimestamp": "2026-01-28T14:30:10+00:00",
      "eventSource": "OTHER",
      "userData": {
        "userIdentifiers": [
          {
            "emailAddress": "reducted"
          },
          {
            "address": {
              "givenName": "reducted",
              "familyName": "reducted",
              "regionCode": "US",
              "postalCode": "20147"
            }
          }
        ]
      },
      "adIdentifiers": {
        "gclid": "testgoogleclid",
        "landingPageDeviceInfo": {
          "userAgent": "Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 Instagram 414.0.0.23.79 (iPhone18,3; iOS 26_2; en_US; en; scale=3.00; 1206x2622; IABMV/1; 868652560) Safari/604.1",
          "ipAddress": "reducted"
        }
      },
      "eventDeviceInfo": {
        "userAgent": "Mozilla/5.0 (iPhone; CPU iPhone OS 18_7 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/23C55 Instagram 414.0.0.23.79 (iPhone18,3; iOS 26_2; en_US; en; scale=3.00; 1206x2622; IABMV/1; 868652560) Safari/604.1",
        "ipAddress": "reducted"
      },
      "userProperties": {
        "customerValueBucket": "HIGH"
      }
    }
  ],
  "encoding": "HEX"
}

Response:
{"Name":"GoogleConversionEvent","Type":"Response","EventName":"ConversionEvent","ResponseStatusCode":500,"ResponseHeaders":{"content-length":"21","content-type":"text/plain; charset=utf-8","date":"Wed, 28 Jan 2026 14:30:11 GMT","trace-id":"208fd225-e982-46fb-93d6-4003e17a6ca8"},"ResponseBody":"Internal Server Error","TraceId":"e5d9afaf-6fa9-447d-be4b-bb8725fa524d"}

I’ve done so far:

  • Reconnecting the Stape connector
  • Removed “-” from account Ids
2

Are you getting the same response now when you try to send an offline conversion?

The problem could be related to limits. Currently, if everything is configured correctly, the conversion should be successful.

3

Just to follow up on this thread: the solution to the issue was to send the data to the MCC account (the operatingAccount and linkedAccount to point at MCC account id) and then use MCC audiences in the managed Google Ads accounts.

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