Yes, they are quite low level, hence how painful Vulkan happens to be, as its design was driven by console vendors feedback, and based on Mantle, basically AMD trying to make a PC API close to how modern consoles work.

https://github.com/sigmaco/mantle-docs

https://ir.amd.com/news-events/press-releases/detail/466/amd...

While there have some support, Playstation 3 had OpenGL ES 1.0 with Cg for shading, Wii had a GL like API with GLSL subset, and SWitch does support GL 4.6/Vulkan, they were never fully adopted by devs, rather favouring the native ones.