On 5 June 2013, Sivan was signed to EMI Music Australia, a Universal Music Australia label, but did not reveal this information until a year later. On 26 June 2014, he announced (while at VidCon) that he would release a five-song EP on 15 August 2014, and uploaded a YouTube video simultaneously on his channel revealing the cover art of the EP.
"The Fault in Our Stars" was released on 5 May 2013 as a campaign to help raise money for the Princess Margaret Hospital Foundation in Perth, Australia. The song had great success, and Sivan added an updated version of the song to the EP. A new version of the song was released as a promotional single on 13 June 2014. This version was included on the EP.
"Happy Little Pill" was released on 25 July 2014 as the first official single from the EP. It charted in thirteen countries, including the United States where it reached number 92 on the Billboard Hot 100.
TRXYE debuted at number five in the United States, selling 30,000 copies after only three days of sales. By July 2015, the EP had a combined downloads of its five tracks of 371,000 in the United States, and 73,000 copies of the album in sales with 39 million streams by September 2015.
In Australia, sales of the EP counted towards the single "Happy Little Pill", causing the single to rise from number 34 to number 10 for the week commencing 24 August 2014.