Written by its producers Jumbo De Belen and Mat Olavides, along with Angelika Ortiz and Paula Patricia "Pow" Chavez during a songwriting camp, "Pantropiko" is a bubblegum pop track featuring tropical influences.

This reception, along with its popularity on streaming platforms, helped Bini become Spotify's highest-streamed female OPM artist and the Filipino P-pop group with the most monthly listeners.

After receiving feedback, she revised the lyrics to the present tense, explaining that it better allowed listeners to feel the meaning of the song in the moment.

[6] Olavides enriched the collaboration by incorporating African, Latin, and Caribbean music influences into his arrangement of the song, which became the published rendition.

Rafael Bautista of Nylon Manila noted the track's upbeat nature and ability to capture the essence of summer romance, contributing to its success, particularly on platforms like TikTok.

[2] In Mega, Gianna Sibal described "Pantropiko" as a song that evokes warm summer days and highlights the power of music to transcend temporal constraints, contributing to Bini's growing global appeal.

[10] Following the release of Talaarawan on March 8 and the success of "Pantropiko", Bini became Spotify's highest-streamed female OPM artist and the Filipino P-pop group with the most monthly listeners.

[15] Bini performed a remake of the song for a cheeseburger advertisement by Jollibee, coinciding with the group's formal endorsement of the brand on June 17, 2024.