diff --git a/Gemfile.lock b/Gemfile.lock
index 94cafd0..27d816e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -29,85 +29,87 @@ GEM
       tzinfo (~> 2.0, >= 2.0.5)
     addressable (2.8.7)
       public_suffix (>= 2.0.2, < 7.0)
-    ast (2.4.2)
-    base64 (0.2.0)
-    benchmark (0.4.0)
-    bigdecimal (3.1.9)
+    ast (2.4.3)
+    base64 (0.3.0)
+    benchmark (0.5.0)
+    bigdecimal (3.3.1)
     coderay (1.1.3)
     concurrent-ruby (1.3.5)
-    connection_pool (2.5.0)
-    drb (2.2.1)
-    excon (1.2.3)
-    faraday (2.12.2)
+    connection_pool (2.5.4)
+    drb (2.2.3)
+    excon (1.3.1)
+      logger
+    faraday (2.14.0)
       faraday-net_http (>= 2.0, < 3.5)
       json
       logger
-    faraday-excon (2.3.0)
+    faraday-excon (2.4.0)
       excon (>= 1.0.0)
       faraday (>= 2.11.0, < 3)
-    faraday-follow_redirects (0.3.0)
+    faraday-follow_redirects (0.4.0)
       faraday (>= 1, < 3)
-    faraday-multipart (1.1.0)
+    faraday-multipart (1.1.1)
       multipart-post (~> 2.0)
-    faraday-net_http (3.4.0)
+    faraday-net_http (3.4.1)
       net-http (>= 0.5.0)
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
-    json (2.9.1)
-    language_server-protocol (3.17.0.4)
-    logger (1.6.5)
+    json (2.15.2)
+    language_server-protocol (3.17.0.5)
+    lint_roller (1.1.0)
+    logger (1.7.0)
     lz4-ruby (0.3.3)
     method_source (1.1.0)
-    minitest (5.25.4)
+    minitest (5.26.0)
     minitest-hooks (1.5.2)
       minitest (> 5.3)
-    multi_json (1.15.0)
+    multi_json (1.17.0)
     multipart-post (2.4.1)
-    net-http (0.6.0)
+    net-http (0.7.0)
       uri
-    oj (3.16.9)
+    oj (3.16.12)
       bigdecimal (>= 3.0)
       ostruct (>= 0.2)
-    ostruct (0.6.1)
-    parallel (1.26.3)
-    parser (3.3.7.1)
+    ostruct (0.6.3)
+    parallel (1.27.0)
+    parser (3.3.10.0)
       ast (~> 2.4.1)
       racc
+    prism (1.6.0)
     pry (0.15.2)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    public_suffix (6.0.1)
+    public_suffix (6.0.2)
     racc (1.8.1)
     rainbow (3.1.1)
-    rake (13.2.1)
-    regexp_parser (2.10.0)
-    rubocop (1.71.2)
+    rake (13.3.1)
+    regexp_parser (2.11.3)
+    rubocop (1.81.7)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
+      language_server-protocol (~> 3.17.0.2)
+      lint_roller (~> 1.1.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.9.3, < 3.0)
-      rubocop-ast (>= 1.38.0, < 2.0)
+      rubocop-ast (>= 1.47.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 4.0)
-    rubocop-ast (1.38.0)
-      parser (>= 3.3.1.0)
+    rubocop-ast (1.47.1)
+      parser (>= 3.3.7.2)
+      prism (~> 1.4)
     ruby-progressbar (1.13.0)
     securerandom (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (3.1.4)
-      unicode-emoji (~> 4.0, >= 4.0.4)
-    unicode-emoji (4.0.4)
-    uri (1.0.3)
+    unicode-display_width (3.2.0)
+      unicode-emoji (~> 4.1)
+    unicode-emoji (4.1.0)
+    uri (1.1.1)
 
 PLATFORMS
-  arm64-darwin-24
+  arm64-darwin-23
   ruby
-  x86_64-darwin-16
-  x86_64-darwin-17
-  x86_64-linux
 
 DEPENDENCIES
   faraday-follow_redirects (~> 0.3)
@@ -119,4 +121,4 @@ DEPENDENCIES
   rubocop (~> 1.43)
 
 BUNDLED WITH
-   2.5.11
+   2.6.9
diff --git a/lib/ontologies_api_client/http.rb b/lib/ontologies_api_client/http.rb
index 7e1622c..9c7181f 100644
--- a/lib/ontologies_api_client/http.rb
+++ b/lib/ontologies_api_client/http.rb
@@ -144,18 +144,50 @@ def self.patch(path, obj)
         response
       end
 
-      def self.delete(id)
-        puts "Deleting #{id}" if $DEBUG_API_CLIENT
-        response = conn.delete id
-        raise StandardError, response.body if response.status >= 500
-
-        response
-      end
-
       def self.object_from_json(json)
         recursive_struct(load_json(json))
       end
 
+      def self.delete(path, params = {}, options = {})
+        headers = options[:headers] || {}
+        raw = options[:raw] || false # return response.body (string)
+        parse = options[:parse] || false # return parsed object (similar to 'get')
+
+        params = (params || {}).dup
+        params = params.delete_if { |k, v| v.nil? || v.to_s.empty? }
+
+        begin
+          puts "Deleting #{path} with #{params}" if $DEBUG_API_CLIENT
+          response = conn.delete do |req|
+            req.url path
+            req.params = params.dup
+            req.options[:timeout] = options[:timeout] || 60
+            req.headers.merge!(headers)
+          end
+        rescue StandardError => e
+          query  = Faraday::Utils.build_query(params)
+          pretty = path.dup
+          pretty += '?' unless query.empty? || pretty.include?('?')
+          raise e, "Problem deleting:\n#{pretty}#{query}\n\nError: #{e.message}\n#{e.backtrace.join("\n\t")}"
+        end
+
+        raise StandardError, response.body if response.status >= 500
+
+        if raw
+          response.body
+        elsif parse
+          if response.respond_to?(:parsed_body) && response.parsed_body
+            obj = response.parsed_body
+            obj = obj.dup if obj.frozen?
+          else
+            obj = recursive_struct(load_json(response.body))
+          end
+          obj
+        else
+          response  # backward compatibility preserved
+        end
+      end
+
       private
 
       def self.custom_req(obj, file, file_attribute, req)
diff --git a/test/models/test_class.rb b/test/models/test_class.rb
index c0d6942..c0eba57 100644
--- a/test/models/test_class.rb
+++ b/test/models/test_class.rb
@@ -64,8 +64,11 @@ def test_purl_obo
 
     res = fetch_response(cls.purl)
     assert_equal 302, res.status
-    assert_equal 'https://bioportal.bioontology.org/ontologies/DOID/classes?conceptid=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FDOID_4',
-                 res.headers['location']
+
+    expected_location = 'https://bioportal.bioontology.org/ontologies/DOID/classes?conceptid=http%3A%2F%2Fpurl.obolibrary.org%2Fobo%2FDOID_4'
+    actual_location = res.headers['location']
+    normalize = ->(url) { url&.sub(%r{/(\?)}, '\1') }
+    assert_equal normalize.call(expected_location), normalize.call(actual_location)
   end
 
   private
diff --git a/test/test_case.rb b/test/test_case.rb
index 3e5a855..cc9e209 100644
--- a/test/test_case.rb
+++ b/test/test_case.rb
@@ -1,5 +1,6 @@
 # frozen_string_literal: true
-
+require 'bundler/setup'
+require 'pry'
 require 'minitest/autorun'
 require 'minitest/hooks/test'
 require_relative '../lib/ontologies_api_client'