Numbers 22:36-37

³⁶And when Balak heard that Balaam was nigh, he went out into the coming of him, in (Ar), the city of Moabites, which is set in the last coast of (the) Arnon. (And when Balak heard that Balaam was near, he went out to meet him, at Ar, the city of the Moabites, which is set on their most distant border, by the Arnon River.)

³⁷And Balak said to Balaam, I sent messengers to call thee; why camest thou not anon to me? whether for I may not yield meed to thy coming? (And Balak said to Balaam, I sent messengers to call thee; why did thou not come at once to me? did you think that I would not reward thee for coming?)