PayAnywhere primarily operates within the United States. However, as of my last knowledge update in October 2023, it does not officially support international transactions for merchants outside of the U.S. This means that businesses based in other countries may not be able to utilize PayAnywhere's services. It is essential for potential users to verify the latest information directly from the official website, as offerings and services can evolve. Additionally, there may be specific features or capabilities aimed at international users that PayAnywhere might introduce in the future. Therefore, for the most accurate and updated details regarding availability and potential expansion into international markets, checking the PayAnywhere website can provide current and relevant information.