diff --git a/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h b/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
index 17f2f980169..5a47f0af21b 100644
--- a/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
+++ b/Libraries/FBReactNativeSpec/FBReactNativeSpec/FBReactNativeSpec.h
@@ -1813,7 +1813,7 @@ namespace JS {
       NSString *url() const;
       id<NSObject> data() const;
       id<NSObject> headers() const;
-      id<NSObject> responseType() const;
+      NSString *responseType() const;
       bool incrementalUpdates() const;
       double timeout() const;
       bool withCredentials() const;
@@ -3490,10 +3490,10 @@ inline id<NSObject> JS::NativeNetworkingIOS::SpecSendRequestQuery::headers() con
   id const p = _v[@"headers"];
   return p;
 }
-inline id<NSObject> JS::NativeNetworkingIOS::SpecSendRequestQuery::responseType() const
+inline NSString *JS::NativeNetworkingIOS::SpecSendRequestQuery::responseType() const
 {
   id const p = _v[@"responseType"];
-  return p;
+  return RCTBridgingToString(p);
 }
 inline bool JS::NativeNetworkingIOS::SpecSendRequestQuery::incrementalUpdates() const
 {
diff --git a/Libraries/Network/NativeNetworkingIOS.js b/Libraries/Network/NativeNetworkingIOS.js
index 85a6cffbd22..59b3da849a9 100644
--- a/Libraries/Network/NativeNetworkingIOS.js
+++ b/Libraries/Network/NativeNetworkingIOS.js
@@ -20,7 +20,7 @@ export interface Spec extends TurboModule {
       url: string,
       data: Object,
       headers: Object,
-      responseType: Object, // TODO: Use stricter type.
+      responseType: string,
       incrementalUpdates: boolean,
       timeout: number,
       withCredentials: boolean,
diff --git a/Libraries/Network/RCTNetworkPlugins.h b/Libraries/Network/RCTNetworkPlugins.h
new file mode 100644
index 00000000000..cad0c011b17
--- /dev/null
+++ b/Libraries/Network/RCTNetworkPlugins.h
@@ -0,0 +1,40 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @generated by an internal plugin build system
+ */
+
+#ifdef RN_DISABLE_OSS_PLUGIN_HEADER
+
+// FB Internal: FBRCTNetworkPlugins.h is autogenerated by the build system.
+#import <React/FBRCTNetworkPlugins.h>
+
+#else
+
+// OSS-compatibility layer
+
+#import <Foundation/Foundation.h>
+
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wreturn-type-c-linkage"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// RCTTurboModuleManagerDelegate should call this to resolve module classes.
+Class RCTNetworkClassProvider(const char *name);
+
+// Lookup functions
+Class RCTNetworkingCls(void) __attribute__((used));
+
+#ifdef __cplusplus
+}
+#endif
+
+#pragma GCC diagnostic pop
+
+#endif // RN_DISABLE_OSS_PLUGIN_HEADER
diff --git a/Libraries/Network/RCTNetworkPlugins.mm b/Libraries/Network/RCTNetworkPlugins.mm
new file mode 100644
index 00000000000..2a221ac9640
--- /dev/null
+++ b/Libraries/Network/RCTNetworkPlugins.mm
@@ -0,0 +1,32 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @generated by an internal plugin build system
+ */
+
+#ifndef RN_DISABLE_OSS_PLUGIN_HEADER
+
+// OSS-compatibility layer
+
+#import "RCTNetworkPlugins.h"
+
+#import <string>
+#import <unordered_map>
+
+Class RCTNetworkClassProvider(const char *name) {
+  static std::unordered_map<std::string, Class (*)(void)> sCoreModuleClassMap = {
+    {"Networking", RCTNetworkingCls},
+  };
+
+  auto p = sCoreModuleClassMap.find(name);
+  if (p != sCoreModuleClassMap.end()) {
+    auto classFunc = p->second;
+    return classFunc();
+  }
+  return nil;
+}
+
+#endif // RN_DISABLE_OSS_PLUGIN_HEADER
diff --git a/Libraries/Network/RCTNetworking.mm b/Libraries/Network/RCTNetworking.mm
index a2219a26c38..36383741fc7 100644
--- a/Libraries/Network/RCTNetworking.mm
+++ b/Libraries/Network/RCTNetworking.mm
@@ -8,6 +8,7 @@
 
 #import <mutex>
 
+#import <FBReactNativeSpec/FBReactNativeSpec.h>
 #import <React/RCTAssert.h>
 #import <React/RCTConvert.h>
 #import <React/RCTEventDispatcher.h>
@@ -18,11 +19,13 @@
 
 #import <React/RCTHTTPRequestHandler.h>
 
+#import "RCTNetworkPlugins.h"
+
 typedef RCTURLRequestCancellationBlock (^RCTHTTPQueryResult)(NSError *error, NSDictionary<NSString *, id> *result);
 
 NSString *const RCTNetworkingPHUploadHackScheme = @"ph-upload";
 
-@interface RCTNetworking ()
+@interface RCTNetworking () <NativeNetworkingIOSSpec>
 
 - (RCTURLRequestCancellationBlock)processDataForHTTPQuery:(NSDictionary<NSString *, id> *)data
                                                  callback:(RCTHTTPQueryResult)callback;
@@ -664,15 +667,26 @@ RCT_EXPORT_MODULE()
 
 #pragma mark - JS API
 
-RCT_EXPORT_METHOD(sendRequest:(NSDictionary *)query
-                  responseSender:(RCTResponseSenderBlock)responseSender)
+RCT_EXPORT_METHOD(sendRequest:(JS::NativeNetworkingIOS::SpecSendRequestQuery &)query
+                  callback:(RCTResponseSenderBlock)responseSender)
 {
+  NSDictionary *queryDict = @{
+    @"method": query.method(),
+    @"url": query.url(),
+    @"data": query.data(),
+    @"headers": query.headers(),
+    @"responseType": query.responseType(),
+    @"incrementalUpdates": @(query.incrementalUpdates()),
+    @"timeout": @(query.timeout()),
+    @"withCredentials": @(query.withCredentials()),
+  };
+  
   // TODO: buildRequest returns a cancellation block, but there's currently
   // no way to invoke it, if, for example the request is cancelled while
   // loading a large file to build the request body
-  [self buildRequest:query completionBlock:^(NSURLRequest *request) {
-    NSString *responseType = [RCTConvert NSString:query[@"responseType"]];
-    BOOL incrementalUpdates = [RCTConvert BOOL:query[@"incrementalUpdates"]];
+  [self buildRequest:queryDict completionBlock:^(NSURLRequest *request) {
+    NSString *responseType = [RCTConvert NSString:queryDict[@"responseType"]];
+    BOOL incrementalUpdates = [RCTConvert BOOL:queryDict[@"incrementalUpdates"]];
     [self sendRequest:request
          responseType:responseType
    incrementalUpdates:incrementalUpdates
@@ -680,10 +694,10 @@ RCT_EXPORT_METHOD(sendRequest:(NSDictionary *)query
   }];
 }
 
-RCT_EXPORT_METHOD(abortRequest:(nonnull NSNumber *)requestID)
+RCT_EXPORT_METHOD(abortRequest:(double)requestID)
 {
-  [_tasksByRequestID[requestID] cancel];
-  [_tasksByRequestID removeObjectForKey:requestID];
+  [_tasksByRequestID[[NSNumber numberWithDouble:requestID]] cancel];
+  [_tasksByRequestID removeObjectForKey:[NSNumber numberWithDouble:requestID]];
 }
 
 RCT_EXPORT_METHOD(clearCookies:(RCTResponseSenderBlock)responseSender)
@@ -700,6 +714,12 @@ RCT_EXPORT_METHOD(clearCookies:(RCTResponseSenderBlock)responseSender)
   responseSender(@[@YES]);
 }
 
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModuleWithJsInvoker:
+    (std::shared_ptr<facebook::react::CallInvoker>)jsInvoker
+{
+  return std::make_shared<facebook::react::NativeNetworkingIOSSpecJSI>(self, jsInvoker);
+}
+
 @end
 
 @implementation RCTBridge (RCTNetworking)
@@ -710,3 +730,7 @@ RCT_EXPORT_METHOD(clearCookies:(RCTResponseSenderBlock)responseSender)
 }
 
 @end
+
+Class RCTNetworkingCls(void) {
+  return RCTNetworking.class;
+}
diff --git a/Libraries/Network/React-RCTNetwork.podspec b/Libraries/Network/React-RCTNetwork.podspec
index 279b001c452..3802adc1ae1 100644
--- a/Libraries/Network/React-RCTNetwork.podspec
+++ b/Libraries/Network/React-RCTNetwork.podspec
@@ -16,6 +16,9 @@ else
   source[:tag] = "v#{version}"
 end
 
+folly_compiler_flags = '-DFOLLY_NO_CONFIG -DFOLLY_MOBILE=1 -DFOLLY_USE_LIBCPP=1 -Wno-comma -Wno-shorten-64-to-32'
+folly_version = '2018.10.22.00'
+
 Pod::Spec.new do |s|
   s.name                   = "React-RCTNetwork"
   s.version                = version
@@ -24,10 +27,20 @@ Pod::Spec.new do |s|
   s.license                = package["license"]
   s.author                 = "Facebook, Inc. and its affiliates"
   s.platforms              = { :ios => "9.0", :tvos => "9.2" }
+  s.compiler_flags         = folly_compiler_flags + ' -Wno-nullability-completeness'
   s.source                 = source
   s.source_files           = "*.{m,mm}"
   s.preserve_paths         = "package.json", "LICENSE", "LICENSE-docs"
   s.header_dir             = "RCTNetwork"
+  s.pod_target_xcconfig    = {
+                               "USE_HEADERMAP" => "YES",
+                               "CLANG_CXX_LANGUAGE_STANDARD" => "c++14",
+                               "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/Folly\""
+                             }
 
+  s.dependency "Folly", folly_version
+  s.dependency "FBReactNativeSpec", version
+  s.dependency "RCTTypeSafety", version
+  s.dependency "ReactCommon/turbomodule/core", version
   s.dependency "React-Core/RCTNetworkHeaders", version
 end
diff --git a/RNTester/Podfile.lock b/RNTester/Podfile.lock
index 99ac57d30dc..61475b7ecd7 100644
--- a/RNTester/Podfile.lock
+++ b/RNTester/Podfile.lock
@@ -226,7 +226,11 @@ PODS:
   - React-RCTLinking (1000.0.0):
     - React-Core/RCTLinkingHeaders (= 1000.0.0)
   - React-RCTNetwork (1000.0.0):
+    - FBReactNativeSpec (= 1000.0.0)
+    - Folly (= 2018.10.22.00)
+    - RCTTypeSafety (= 1000.0.0)
     - React-Core/RCTNetworkHeaders (= 1000.0.0)
+    - ReactCommon/turbomodule/core (= 1000.0.0)
   - React-RCTPushNotification (1000.0.0):
     - React-Core/RCTPushNotificationHeaders (= 1000.0.0)
   - React-RCTSettings (1000.0.0):
@@ -387,7 +391,7 @@ SPEC CHECKSUMS:
   React-RCTBlob: 8df793b30385b7ffe7e6703651043bad369cd756
   React-RCTImage: 3ee9a6cd02c7741ebe3a001d51a18c349019778f
   React-RCTLinking: d7d7f792e63a8d57380cecbb9b7a3b31f92d1bb6
-  React-RCTNetwork: c8f9d40297f35ea3792ea81866f33e8b45c25935
+  React-RCTNetwork: 156d1edeff084555eb31ba35d4cee6bc76c91908
   React-RCTPushNotification: acffa8af6a20e6d41b041a8c4cb4bea0de9df0dd
   React-RCTSettings: 8138286da8de74839cb436dd37704ed64d4bfe78
   React-RCTTest: d148e0657ce77ffd43a10325c284f47f25fb0532