[1] The species was originally described in 2021 by Omar Torres-Carvajal, Mauricio Mejía-Guerrero and Claudia Terán from the Museo de Zoología of the Pontificia Universidad Católica in Ecuador.

Oxybelis transandinus is a species of Neotropical vine snakes that is endemic to Ecuador.

It has been recently described as being distinct from a similar species of vine snake; Oxybelis aeneus.

The Holotype has been collected in Bosqueira Protected Forest and is an adult male.

[1] The species have been observed in dry ecosystems where the snake is active from the ground up to 1.5 meters in shrubs.