Which king of Tyre sent cedar logs, carpenters and stonemasons to build David's palace?

Answer: Hiram

Hiram king of Tyre sent envoys to David with cedar logs, carpenters and stonemasons, and they built a palace for David.

“Now Hiram king of Tyre sent envoys to David, along with cedar logs, carpenters, and stonemasons, and they built a palace for David.”— 2 Samuel 5:11 (BSB)