diff --git a/MobileBuy/buy3/Gemfile b/MobileBuy/buy3/Gemfile
index 55be72dc..f2c026b5 100644
--- a/MobileBuy/buy3/Gemfile
+++ b/MobileBuy/buy3/Gemfile
@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 
-gem 'graphql_java_gen', path: '../libs/graphql_java_gen/'
\ No newline at end of file
+gem 'faraday'
+gem 'graphql_java_gen', path: '../libs/graphql_java_gen/'
diff --git a/MobileBuy/buy3/Gemfile.lock b/MobileBuy/buy3/Gemfile.lock
index a8331315..eedb6be8 100644
--- a/MobileBuy/buy3/Gemfile.lock
+++ b/MobileBuy/buy3/Gemfile.lock
@@ -7,13 +7,21 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    base64 (0.1.1)
+    faraday (2.7.11)
+      base64
+      faraday-net_http (>= 2.0, < 3.1)
+      ruby2_keywords (>= 0.0.4)
+    faraday-net_http (3.0.2)
     graphql_schema (0.1.8)
+    ruby2_keywords (0.0.5)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  faraday
   graphql_java_gen!
 
 BUNDLED WITH
-   2.2.28
+   2.3.4
diff --git a/MobileBuy/buy3/introspection.graphql b/MobileBuy/buy3/introspection.graphql
new file mode 100644
index 00000000..cb9f747a
--- /dev/null
+++ b/MobileBuy/buy3/introspection.graphql
@@ -0,0 +1,100 @@
+query IntrospectionQuery {
+  __schema {
+    queryType {
+      name
+    }
+    mutationType {
+      name
+    }
+    subscriptionType {
+      name
+    }
+    types {
+      ...FullType
+    }
+    directives {
+      name
+      description
+      locations
+      args {
+        ...InputValue
+      }
+    }
+  }
+}
+fragment FullType on __Type {
+  kind
+  name
+  description
+  fields(includeDeprecated: true) {
+    name
+    description
+    args {
+      ...InputValue
+    }
+    type {
+      ...TypeRef
+    }
+    isDeprecated
+    deprecationReason
+  }
+  inputFields(includeDeprecated: true) {
+    ...InputValue
+    isDeprecated
+    deprecationReason
+  }
+  interfaces {
+    ...TypeRef
+  }
+  enumValues(includeDeprecated: true) {
+    name
+    description
+    isDeprecated
+    deprecationReason
+  }
+  possibleTypes {
+    ...TypeRef
+  }
+}
+fragment InputValue on __InputValue {
+  name
+  description
+  type {
+    ...TypeRef
+  }
+  defaultValue
+  isDeprecated
+  deprecationReason
+}
+fragment TypeRef on __Type {
+  kind
+  name
+  ofType {
+    kind
+    name
+    ofType {
+      kind
+      name
+      ofType {
+        kind
+        name
+        ofType {
+          kind
+          name
+          ofType {
+            kind
+            name
+            ofType {
+              kind
+              name
+              ofType {
+                kind
+                name
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/MobileBuy/buy3/update_schema.rb b/MobileBuy/buy3/update_schema.rb
index 4470f09f..7e827cc9 100755
--- a/MobileBuy/buy3/update_schema.rb
+++ b/MobileBuy/buy3/update_schema.rb
@@ -5,7 +5,7 @@
 require 'graphql_schema'
 require 'json'
 require 'optparse'
-require 'net/http'
+require 'faraday'
 require 'fileutils'
 
 target_filename = '../buy3/src/main/java/com/shopify/buy3/Storefront.java'
@@ -15,17 +15,29 @@
   end
 end.parse!
 
-shared_storefront_api_key = "4a6c829ec3cb12ef9004bf8ed27adf12"
+storefront_domain = "graphql.myshopify.com"
+storefront_access_token = "3a109d5ebb8117f935adc1df233f3dfc"
 storefront_api_version = ARGV[0]
 
-abort("Error: API Version not specified") if storefront_api_version.nil? or storefront_api_version.empty?
+introspection_query = File.read(File.join(__dir__, 'introspection.graphql'))
 
-uri = URI("https://app.shopify.com/services/graphql/introspection/storefront?api_client_api_key=#{shared_storefront_api_key}&api_version=#{storefront_api_version}")
+conn = Faraday.new(
+  url: "https://#{storefront_domain}/api/#{storefront_api_version}/",
+  headers: {
+    'Accept' => 'application/json',
+    'Content-Type' => 'application/graphql',
+    'X-Shopify-Storefront-Access-Token' => storefront_access_token
+  }
+)
 
-response = Net::HTTP.get_response(uri)
-abort("Error fetching details for the api version #{storefront_api_version}") unless response.kind_of? Net::HTTPSuccess
+res = conn.post('graphql') do |req|
+  req.body = introspection_query
+end
+
+abort "failed to introspect schema" unless res.success?
+
+schema = GraphQLSchema.new(JSON.parse(res.body))
 
-schema = GraphQLSchema.new(JSON.parse(response.body))
 custom_scalars = [
   GraphQLJavaGen::Scalar.new(
     type_name: 'Money',