APIs & Integrations

1112
Member

Question: Insert DB on Hubspot

How does birthday data before the 1970’s import to hubspots?
please answer to me… please…

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Derek_Gervais
HubSpot Alumni
HubSpot Alumni

Question: Insert DB on Hubspot

Hi @1112,

Date properties can be set to dates prior to the 1970’s. Are you importing via CSV, or using the API? If the former, you should format the dates just like you would if they were after 1970. If you’re updating them via the API, the dates must be formatted as unix timestamps in milliseconds. For dates prior to January 1st 1970, this means a negative number of seconds before epoch.

What format should I use to import date property values into HubSpot?

The mm/dd/yyyy format is accepted by default, but you can use the advanced options menu within the Import Details screen to choose another date format.


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