In a Google events search, Google returns a list of urls for the event. In Google these links are classified as "Ticket" or as "More Info". Also, Google can return many of these links.

Serp API is only returning the top two and does not distinguish between ticket or more info, the first two links are added into the ticket_info array. In the Google search, Google starts with two links and you need to click "More Sources" to expand and see the rest.

Google doesn't necessarily put tickets then more info or visa versa, so sometimes a ticket url will only be in the expanded list.

Example:

Search ID: 60df1383477c0e557a751900

The third result: Trinity Lutheran Church Benefit Car & Truck Show

There are only two links in the API result, but Google has five. I also have to guess which of the two is ticketing.

Also, the first two results have two ticket_info urls, but neither are actually for tickets, both are More Info.