Originally launched with DigiChat software based on Java, it was subsequently changed and built with 123 Flash Chat, an Adobe Flash-based software for in-browser chat rooms in October 2005.

[2] In 2018, new PHP software was added to the website due to browser restrictions and the upcoming end-of-life announcement by Flash.

[3][4] In 2021, new chat software was added enabling user support of a webcam.

On September 18, 2018, New Jersey Attorney General Gurbir Grewal announced the arrest of 24 alleged child predators in “Operation Open House,” an undercover operation targeting individuals using social media to lure underage users.

[6] In February 2021, a Channel 4 television series documented a police unit tracking sexual predators online, featuring Chat Avenue as one of the platforms used.