Menapi played for YoungHeart Manawatu in New Zealand, Sydney United of the old National Soccer League in Australia and for Marist FC, a club from the Solomon Islands.
In the 2006–2007 season, he became the first player to be sent off in a New Zealand Football Championship Grand Final with a nasty studs up kick on Auckland City defender Riki van Steeden.
Menapi represented the Solomon Islands national team on over 30 occasions, scoring a record 34 goals (including 7 against non-FIFA members).
Menapi was arguably the most famous Solomon Islands footballer, after scoring twice for his country against Australia in a sensational 2–2 draw in the Oceania Nations Cup group match in 2004.
[11] Since Australia's exit from the Oceania Football Confederation in 2006 to join Asian Football Confederation, he became the all-time leading goal scorer for the OFC until Chris Wood of New Zealand reached his record of 34 goals on the 13 October 2023 and until Roy Krishna of Fiji surpassed both of them to break the record on the 18 November 2023.