The U.S. Department of State recently updated the requirements for a waiver of the visa stamping interview for people who are diplomats or who have been interviewed recently at a US consulate. Read more here: https://travel.state.gov/content/travel/en/News/visas-news/interview-waiver-update-feb-18-2025.html
Meanwhile, citizens of the following countries are exempt from needing a visa which is also called a Visa Waiver and the information about which country nationals are visa exempt to be able to use the ESTA 90-day entry program for short tourist or short business visits can be found here: https://travel.state.gov/content/travel/en/us-visas/tourism-visit/visa-waiver-program.html