Various websites promote visa services for a fee on the internet. These sites, including www.inmigracionusa.com not operated by the United States Government and not part of the visa application process.
All information about the visa application process is available on the TRAVEL.STATE website of the U.S. State Department (http://travel.state.gov/visa/visa_1750.html)
If you are applying for a visa, the on-line application can be found in our Visas section, There is no fee to complete the application.
To schedule an appointment, visit the USVISA-INFO website (http://usvisa-info.com/es-UY/selfservice/ss_country_welcome)
The fee to schedule a B1/B2 visa interview is currently U$3200, and the only place where you can pay this fee and schedule the appointment is through the USVISA-INFO website (http://usvisa-info.com/es-UY/selfservice/ss_country_welcome)