It was not clear last night when Nitro's offending took place.
The Christchurch Court News reported that the court saw text conversations which captured the negotiations about the price for oral sex, which then took place.
At sentencing, Judge Raoul Neave said the 16-year-old acted willingly, but was motivated by need because of his family's financial circumstances.
"[The boy] is now deeply ashamed of his behaviour, which has distanced him from his family and friends," he said.
He ordered Nitro to do 275 hours of community work, with permission to convert the hours to training, and ordered him to pay $2000 to the victim for emotional harm.
The minimum legal age for commercial sex is 18, unlike the age of consent, which is 16.
In 2010, Nitro started a Maori tourism venture, "Maui the art of Maori Haka'.' At the time, he was described as an artistic director.
Nitro could not be reached for comment last night.