diff --git a/Library/Homebrew/api.rb b/Library/Homebrew/api.rb
index ac21298f64..38d2748db5 100644
--- a/Library/Homebrew/api.rb
+++ b/Library/Homebrew/api.rb
@@ -6,6 +6,7 @@ require "api/bottle"
 require "api/cask"
 require "api/formula"
 require "api/versions"
+require "extend/cachable"
 
 module Homebrew
   # Helper functions for using Homebrew's formulae.brew.sh API.
@@ -14,24 +15,21 @@ module Homebrew
   module API
     extend T::Sig
 
+    extend Cachable
+
     module_function
 
     API_DOMAIN = "https://formulae.brew.sh/api"
 
-    sig { params(endpoint: String, json: T::Boolean).returns(T.any(String, Hash)) }
-    def fetch(endpoint, json: false)
-      return @cache[endpoint] if @cache.present? && @cache.key?(endpoint)
+    sig { params(endpoint: String).returns(T.any(String, Hash)) }
+    def fetch(endpoint)
+      return cache[endpoint] if cache.present? && cache.key?(endpoint)
 
       api_url = "#{API_DOMAIN}/#{endpoint}"
       output = Utils::Curl.curl_output("--fail", "--max-time", "5", api_url)
       raise ArgumentError, "No file found at #{Tty.underline}#{api_url}#{Tty.reset}" unless output.success?
 
-      @cache ||= {}
-      @cache[endpoint] = if json
-        JSON.parse(output.stdout)
-      else
-        output.stdout
-      end
+      cache[endpoint] = JSON.parse(output.stdout)
     rescue JSON::ParserError
       raise ArgumentError, "Invalid JSON file: #{Tty.underline}#{api_url}#{Tty.reset}"
     end
diff --git a/Library/Homebrew/api/analytics.rb b/Library/Homebrew/api/analytics.rb
index f7967d4d1d..bdec017f10 100644
--- a/Library/Homebrew/api/analytics.rb
+++ b/Library/Homebrew/api/analytics.rb
@@ -19,7 +19,7 @@ module Homebrew
 
       sig { params(category: String, days: T.any(Integer, String)).returns(Hash) }
       def fetch(category, days)
-        Homebrew::API.fetch "#{analytics_api_path}/#{category}/#{days}d.json", json: true
+        Homebrew::API.fetch "#{analytics_api_path}/#{category}/#{days}d.json"
       end
     end
   end
diff --git a/Library/Homebrew/api/bottle.rb b/Library/Homebrew/api/bottle.rb
index 1e6a595d86..54f32cdc30 100644
--- a/Library/Homebrew/api/bottle.rb
+++ b/Library/Homebrew/api/bottle.rb
@@ -23,7 +23,7 @@ module Homebrew
 
       sig { params(name: String).returns(Hash) }
       def fetch(name)
-        Homebrew::API.fetch "#{bottle_api_path}/#{name}.json", json: true
+        Homebrew::API.fetch "#{bottle_api_path}/#{name}.json"
       end
 
       sig { params(name: String).returns(T::Boolean) }
diff --git a/Library/Homebrew/api/cask.rb b/Library/Homebrew/api/cask.rb
index c1dd4ddcd6..8a89ae0187 100644
--- a/Library/Homebrew/api/cask.rb
+++ b/Library/Homebrew/api/cask.rb
@@ -13,7 +13,7 @@ module Homebrew
 
       sig { params(name: String).returns(Hash) }
       def fetch(name)
-        Homebrew::API.fetch "cask/#{name}.json", json: true
+        Homebrew::API.fetch "cask/#{name}.json"
       end
     end
   end
diff --git a/Library/Homebrew/api/formula.rb b/Library/Homebrew/api/formula.rb
index 329f80bfde..4582ba7a76 100644
--- a/Library/Homebrew/api/formula.rb
+++ b/Library/Homebrew/api/formula.rb
@@ -19,7 +19,7 @@ module Homebrew
 
       sig { params(name: String).returns(Hash) }
       def fetch(name)
-        Homebrew::API.fetch "#{formula_api_path}/#{name}.json", json: true
+        Homebrew::API.fetch "#{formula_api_path}/#{name}.json"
       end
     end
   end
diff --git a/Library/Homebrew/api/versions.rb b/Library/Homebrew/api/versions.rb
index 0ad01b93c4..b4f971b4a1 100644
--- a/Library/Homebrew/api/versions.rb
+++ b/Library/Homebrew/api/versions.rb
@@ -13,17 +13,17 @@ module Homebrew
 
       def formulae
         # The result is cached by Homebrew::API.fetch
-        Homebrew::API.fetch "versions-formulae.json", json: true
+        Homebrew::API.fetch "versions-formulae.json"
       end
 
       def linux
         # The result is cached by Homebrew::API.fetch
-        Homebrew::API.fetch "versions-linux.json", json: true
+        Homebrew::API.fetch "versions-linux.json"
       end
 
       def casks
         # The result is cached by Homebrew::API.fetch
-        Homebrew::API.fetch "versions-casks.json", json: true
+        Homebrew::API.fetch "versions-casks.json"
       end
 
       sig { params(name: String).returns(T.nilable(PkgVersion)) }