Smith Collection/Gado/Getty Images Amazon is offering one-hour grocery pickup for Prime members at all 487 Whole Foods stores in the US. Curbside pickup is free for orders over $35. Previously this was only available at select stores. Amazon has been ramping up its Whole Foods e-commerce options during the pandemic. Its online grocery sales tripled year-over-year in the second quarter of the year. Visit Business Insider's homepage for more stories. Amazon Prime members can now get free one-hour grocery pickup at all 487 Whole Foods stores in the US, the e-commerce giant announced Wednesday.The service is available on orders of $35 or higher.Customers place their orders online and collect them curbside contact-free.Previously, free Whole Foods pickup was only available for Prime Members at about 150 stores.Customers ordering less than $35 of groceries, or collecting their order less than an hour after placing it, will have to pay a pickup fee.Contactless delivery options have become increasingly popular during the pandemic, and one survey showed that one in three Americans would happily never set foot in a store again.This is having an impact on footfall at Whole Foods.