diff --git a/src/backends.jl b/src/backends.jl
index 3b5a29a..cd9969a 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -78,3 +78,12 @@ const StridedBackend = Union{StridedNative, StridedBLAS}
 Backend for tensor operations that is based on the NVIDIA cuTENSOR library.
 """
 struct cuTENSORBackend <: AbstractBackend end
+
+# Reactant backend
+#-----------------
+"""
+    ReactantBackend
+
+Backend for tensor operations that work on top of [Reactant.jl](https://github.com/EnzymeAD/Reactant.jl) library.
+"""
+struct ReactantBackend <: AbstractBackend end
diff --git a/src/implementation/allocator.jl b/src/implementation/allocator.jl
index 7ac5ea8..6244cfe 100644
--- a/src/implementation/allocator.jl
+++ b/src/implementation/allocator.jl
@@ -70,6 +70,16 @@ mutable struct BufferAllocator{Storage}
     end
 end
 
+"""
+    ReactantAllocator{IsTraced}
+
+Allocator for [Reactant](https://github.com/EnzymeAD/Reactant.jl)-backed arrays.
+If `IsTraced=true`, it is supposed that [Reactant](https://github.com/EnzymeAD/Reactant.jl)
+is tracing the code and thus, it will return a `TracedRArray`. Otherwise, it will allocate a 
+`ConcreteRArray`.
+"""
+struct ReactantAllocator{IsTraced} end
+
 const DefaultStorageType = @static isdefined(Core, :Memory) ? Memory{UInt8} : Vector{UInt8}
 BufferAllocator(; kwargs...) = BufferAllocator{DefaultStorageType}(; kwargs...)