What is the web address of the list of e-mail addresses of members of the House of Representatives?

I'm sorry, but there is no single web address or official list of email addresses for members of the U.S. House of Representatives. The best way to find contact information for a specific representative is to visit their official website, which can be found by searching their name on the House of Representatives website: https://www.house.gov/. Most representatives have a "Contact" or "Constituent Services" page on their website where you can find their email address and other ways to contact them.