Setting contact owner through HubSpot API during contact creation

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1

I’m working with the HubSpot API to create new contacts programmatically. Everything works fine but I can’t figure out how to set the contact owner automatically when creating the contact.

I know I could use HubSpot workflows to assign owners after contact creation, but I want to handle this directly through the API call.

Here’s my current working code that creates contacts successfully:

$contactData = [
    'properties' => [
        ['property' => 'first_name', 'value' => $person->firstName],
        ['property' => 'last_name', 'value' => $person->lastName],
    ]
];

$requestBody = json_encode($contactData);
$apiResponse = $httpClient->request('POST', '/contacts/v1/contact/email/'.$person->emailAddress.'/profile',
    ['query' => ['hapikey' => $apiKey, 'body' => $requestBody]]);

What property or parameter should I add to automatically assign an owner during contact creation?

2

To auto-assign a contact owner when creating contacts via the HubSpot API, you need to add the hubspot_owner_id property to your contact data. First, retrieve the owner ID from the owners endpoint (/owners/v2/owners/). Then update your contact data accordingly:

$contactData = [
    'properties' => [
        ['property' => 'first_name', 'value' => $person->firstName],
        ['property' => 'last_name', 'value' => $person->lastName],
        ['property' => 'hubspot_owner_id', 'value' => '12345678'] // Replace with the actual owner ID
    ]
];

Ensure that the owner ID is valid and that the owner has the necessary permissions; otherwise, the contact will be created without an owner.

3

Hit this exact problem last month. The hubspot_owner_id property works, but here’s the gotcha - you need the internal owner ID, not the user ID from the HubSpot interface. I screwed this up initially and contacts kept getting created without owners. Call the owners API endpoint first to grab the right ID. Another thing - if the owner ID’s invalid or they don’t have contact permissions, HubSpot just silently ignores it instead of erroring out. I’d add validation to verify the owner actually got assigned after creating the contact, especially when batch creating with different owners.