diff --git a/src/HDF5.jl b/src/HDF5.jl
index af2746861..965e3c72a 100644
--- a/src/HDF5.jl
+++ b/src/HDF5.jl
@@ -1712,7 +1712,7 @@ Write a raw chunk at a given offset.
 function do_write_chunk(dataset::Dataset, offset, chunk_bytes::Vector{UInt8}, filter_mask=0)
     checkvalid(dataset)
     offs = collect(API.hsize_t, reverse(offset)) .- 1
-    API.h5d_write_chunk(dataset, API.H5P_DEFAULT, UInt32(filter_mask), offs, length(chunk_bytes), chunk_bytes)
+    write_chunk(dataset, offs, chunk_bytes; filter_mask=UInt32(filter_mask))
 end
 
 """
@@ -1724,7 +1724,7 @@ Write a raw chunk at a given linear index.
 function do_write_chunk(dataset::Dataset, index::Integer, chunk_bytes::Vector{UInt8}, filter_mask=0)
     checkvalid(dataset)
     index -= 1
-    API.h5d_write_chunk(dataset, API.H5P_DEFAULT, UInt32(filter_mask), index, chunk_bytes)
+    write_chunk(dataset, index, chunk_bytes; filter_mask=UInt32(filter_mask))
 end
 
 """
@@ -1737,7 +1737,7 @@ function do_read_chunk(dataset::Dataset, offset)
     checkvalid(dataset)
     offs = collect(API.hsize_t, reverse(offset)) .- 1
     filters = Ref{UInt32}()
-    buf = API.h5d_read_chunk(dataset, offs; filters = filters)
+    buf = read_chunk(dataset, offs; filters = filters)
     return (filters[], buf)
 end
 
@@ -1751,7 +1751,7 @@ function do_read_chunk(dataset::Dataset, index::Integer)
     checkvalid(dataset)
     index -= 1
     filters = Ref{UInt32}()
-    buf = API.h5d_read_chunk(dataset, index; filters = filters)
+    buf = read_chunk(dataset, index; filters = filters)
     return (filters[], buf)
 end
 
diff --git a/src/api/helpers.jl b/src/api/helpers.jl
index 20c962d60..22d695bb2 100644
--- a/src/api/helpers.jl
+++ b/src/api/helpers.jl
@@ -132,7 +132,7 @@ end
 """
     h5d_get_num_chunks(dataset_id, fspace_id = H5S_ALL)
 
-Helper method to retrieve the number of chunks. Returns an integer of type `HDF5.hsize_t`.
+Helper method to retrieve the number of chunks. Returns an integer of type `HDF5.API.hsize_t`.
 """
 function h5d_get_num_chunks(dataset_id, fspace_id = H5S_ALL)
     @static if v"1.10.5" > _libhdf5_build_ver
@@ -149,7 +149,7 @@ end
     h5d_get_space_status(dataset_id)
 
 Helper method to retrieve the status of the dataset space.
-Returns a `HDF5.H5D_space_status_t` (`Cint`) indicating the status, see `HDF5.H5D_SPACE_STATUS_`* constants.
+Returns a `HDF5.API.H5D_space_status_t` (`Cint`) indicating the status, see `HDF5.API.H5D_SPACE_STATUS_`* constants.
 """
 function h5d_get_space_status(dataset_id)
     r = Ref{H5D_space_status_t}()
@@ -157,74 +157,6 @@ function h5d_get_space_status(dataset_id)
     return r[]
 end
 
-"""
-    h5d_read_chunk(dataset_id, offset, [buf]; dxpl_id = HDF5.H5P_DEFAULT, filters = Ref{UInt32}())
-
-Helper method to read chunks via 0-based offsets in a `Tuple`.
-
-Argument `buf` is optional and defaults to a `Vector{UInt8}` of length determined by `HDF5.get_chunk_length`.
-Argument `dxpl_id` can be supplied a keyword and defaults to `HDF5.H5P_DEFAULT`.
-Argument `filters` can be retrieved by supplying a `Ref{UInt32}` value via a keyword argument.
-
-This method returns `Vector{UInt8}`.
-"""
-function h5d_read_chunk(dataset_id, offset,
-        buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id));
-        dxpl_id = H5P_DEFAULT,
-        filters = Ref{UInt32}()
-    )
-    h5d_read_chunk(dataset_id, dxpl_id, offset, filters, buf)
-    return buf
-end
-h5d_read_chunk(dataset_id, dxpl_id, offset) = h5d_read_chunk(dataset_id, offset; dxpl_id = dxpl_id)
-h5d_read_chunk(dataset_id, dxpl_id, offset, buf::Vector{UInt8}) = h5d_read_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id)
-
-"""
-    h5d_read_chunk(dataset_id, index::Integer, [buf]; dxpl_id = HDF5.H5P_DEFAULT, filters = Ref{UInt32}())
-
-Helper method to read chunks via 0-based integer `index`.
-
-Argument `buf` is optional and defaults to a `Vector{UInt8}` of length determined by `HDF5.h5d_get_chunk_info`.
-Argument `dxpl_id` can be supplied a keyword and defaults to `HDF5.H5P_DEFAULT`.
-Argument `filters` can be retrieved by supplying a `Ref{UInt32}` value via a keyword argument.
-
-This method returns `Vector{UInt8}`.
-"""
-function h5d_read_chunk(dataset_id, index::Integer,
-        buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id));
-        dxpl_id = H5P_DEFAULT,
-        filters = Ref{UInt32}()
-    )
-    offset = [reverse(get_chunk_offset(dataset_id, index))...]
-    h5d_read_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filters = filters)
-end
-h5d_read_chunk(dataset_id, dxpl_id, index::Integer) = h5d_read_chunk(dataset_id, index; dxpl_id = dxpl_id)
-h5d_read_chunk(dataset_id, dxpl_id, index::Integer, buf::Vector{UInt8}) = h5d_read_chunk(dataset_id, index, buf; dxpl_id = dxpl_id)
-
-"""
-    h5d_write_chunk(dataset_id, offset, buf::Vector{UInt8}; dxpl_id = HDF5.H5P_DEFAULT, filter_mask = 0)
-
-Helper method to write chunks via 0-based offsets `offset` as a `Tuple`.
-"""
-function h5d_write_chunk(dataset_id, offset, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask=0)
-    h5d_write_chunk(dataset_id, dxpl_id, filter_mask, offset, length(buf), buf)
-end
-h5d_write_chunk(dataset_id, dxpl_id, filter_mask, offset, buf::Vector{UInt8}) =
-    h5d_write_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filter_mask = filter_mask)
-
-"""
-    h5d_write_chunk(dataset_id, index::Integer, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask = 0)
-
-Helper method to write chunks via 0-based integer `index`.
-"""
-function h5d_write_chunk(dataset_id, index::Integer, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask = 0)
-    offset = [reverse(get_chunk_offset(dataset_id, index))...]
-    h5d_write_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filter_mask = filter_mask)
-end
-h5d_write_chunk(dataset_id, dxpl_id, filter_mask, index::Integer, buf::Vector{UInt8}) =
-    h5d_write_chunk(dataset_id, index, buf; dxpl_id = dxpl_id, filter_mask = filter_mask)
-
-
 
 ###
 ### Error Interface
diff --git a/src/api_midlevel.jl b/src/api_midlevel.jl
index a98b35462..86cd2127b 100644
--- a/src/api_midlevel.jl
+++ b/src/api_midlevel.jl
@@ -111,3 +111,64 @@ function vlen_get_buf_size(dataset_id)
     space = API.h5d_get_space(dataset_id)
     API.h5d_vlen_get_buf_size(dataset_id, type, space)
 end
+
+
+
+"""
+    HDF5.read_chunk(dataset_id, offset, [buf]; dxpl_id = HDF5.H5P_DEFAULT, filters = Ref{UInt32}())
+
+Helper method to read chunks via 0-based offsets in a `Tuple`.
+
+Argument `buf` is optional and defaults to a `Vector{UInt8}` of length determined by `HDF5.get_chunk_length`.
+Argument `dxpl_id` can be supplied a keyword and defaults to `HDF5.H5P_DEFAULT`.
+Argument `filters` can be retrieved by supplying a `Ref{UInt32}` value via a keyword argument.
+
+This method returns `Vector{UInt8}`.
+"""
+function read_chunk(dataset_id, offset,
+        buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id));
+        dxpl_id = H5P_DEFAULT,
+        filters = Ref{UInt32}()
+    )
+    API.h5d_read_chunk(dataset_id, dxpl_id, offset, filters, buf)
+    return buf
+end
+
+"""
+    HDF5.read_chunk(dataset_id, index::Integer, [buf]; dxpl_id = HDF5.H5P_DEFAULT, filters = Ref{UInt32}())
+
+Helper method to read chunks via 0-based integer `index`.
+
+Argument `buf` is optional and defaults to a `Vector{UInt8}` of length determined by `HDF5.h5d_get_chunk_info`.
+Argument `dxpl_id` can be supplied a keyword and defaults to `HDF5.H5P_DEFAULT`.
+Argument `filters` can be retrieved by supplying a `Ref{UInt32}` value via a keyword argument.
+
+This method returns `Vector{UInt8}`.
+"""
+function read_chunk(dataset_id, index::Integer,
+        buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id));
+        dxpl_id = H5P_DEFAULT,
+        filters = Ref{UInt32}()
+    )
+    offset = [reverse(get_chunk_offset(dataset_id, index))...]
+    read_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filters = filters)
+end
+
+"""
+    HDF5.write_chunk(dataset_id, offset, buf::Vector{UInt8}; dxpl_id = HDF5.H5P_DEFAULT, filter_mask = 0)
+
+Helper method to write chunks via 0-based offsets `offset` as a `Tuple`.
+"""
+function write_chunk(dataset_id, offset, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask=0)
+    h5d_write_chunk(dataset_id, dxpl_id, filter_mask, offset, length(buf), buf)
+end
+
+"""
+    HDF5.write_chunk(dataset_id, index::Integer, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask = 0)
+
+Helper method to write chunks via 0-based integer `index`.
+"""
+function write_chunk(dataset_id, index::Integer, buf::Vector{UInt8}; dxpl_id = H5P_DEFAULT, filter_mask = 0)
+    offset = [reverse(get_chunk_offset(dataset_id, index))...]
+    write_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filter_mask = filter_mask)
+end
diff --git a/src/deprecated.jl b/src/deprecated.jl
index f843369e8..d622fc3d7 100644
--- a/src/deprecated.jl
+++ b/src/deprecated.jl
@@ -16,11 +16,27 @@ function exists end
 @deprecate get_dims(dspace::Union{Dataspace,Dataset,Attribute}) get_extent_dims(dspace) false
 @deprecate set_dims!(dset::Dataspace) set_extent_dims(dset) false
 
+### Changed in PR #844
 @deprecate silence_errors(f::Function) f()
 
+### Changed in PR #845
+@deprecate h5d_read_chunk(dataset_id, offset, buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id)); kwargs...) read_chunk(dataset_id, offset, buf; kwargs...) false
+@deprecate h5d_read_chunk(dataset_id, dxpl_id, offset) read_chunk(dataset_id, offset; dxpl_id = dxpl_id) false
+@deprecate h5d_read_chunk(dataset_id, dxpl_id, offset, buf::Vector{UInt8}) read_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id) false
+
+@deprecate h5d_read_chunk(dataset_id, index::Integer, buf::Vector{UInt8} = Vector{UInt8}(undef, get_chunk_length(dataset_id)); kwargs...) read_chunk(dataset_id, index, buf; kwargs...) false
+@deprecate h5d_read_chunk(dataset_id, dxpl_id, index::Integer) read_chunk(dataset_id, index; dxpl_id = dxpl_id) false
+@deprecate h5d_read_chunk(dataset_id, dxpl_id, index::Integer, buf::Vector{UInt8}) read_chunk(dataset_id, index, buf; dxpl_id = dxpl_id) false
+
+@deprecate h5d_write_chunk(dataset_id, offset, buf::Vector{UInt8}; kwargs...) write_chunk(dataset_id, offset, buf; kwargs...) false
+@deprecate h5d_write_chunk(dataset_id, dxpl_id, filter_mask, offset, buf::Vector{UInt8}) write_chunk(dataset_id, offset, buf; dxpl_id = dxpl_id, filter_mask = filter_mask) false
+
+@deprecate h5d_write_chunk(dataset_id, index::Integer, buf::Vector{UInt8}; kwargs...) write_chunk(dataset_id, index, buf; kwargs...)  false
+@deprecate h5d_write_chunk(dataset_id, dxpl_id, filter_mask, index::Integer, buf::Vector{UInt8}) write_chunk(dataset_id, index, buf; dxpl_id = dxpl_id, filter_mask = filter_mask) false
+
 for name in names(API; all=true)
     if name ∉ names(HDF5; all=true) && startswith(uppercase(String(name)), "H")
         depmsg = ", use HDF5.API.$name instead."
         @eval Base.@deprecate_binding $name API.$name false $depmsg
     end
-end
\ No newline at end of file
+end