diff --git a/loc_chain_app/lib/util/requests.dart b/loc_chain_app/lib/util/requests.dart
new file mode 100644
index 0000000..96f329b
--- /dev/null
+++ b/loc_chain_app/lib/util/requests.dart
@@ -0,0 +1,32 @@
+import 'dart:convert';
+import 'dart:html';
+import 'dart:io';
+import 'package:http/http.dart' as http;
+
+import 'package:loc_chain_app/util/transaction_manager.dart';
+
+String baseUrl = 'http://loc.glmdev.tech:8000/';
+
+Future<http.Response> postEncounter(EncounterTransaction encounter) async {
+  var payload = jsonEncode(encounter);
+  var url = Uri.parse('http://loc.glmdev.tech:8000/api/v1/encounter');
+  return await http.post(
+    url,
+    headers: <String, String>{
+      'Content-Type': 'application/json',
+    },
+    body: payload,
+  );
+}
+
+Future<http.Response> postExposure(ExposureTransaction exposure) async {
+  var payload = jsonEncode(exposure);
+  var url = Uri.parse('http://loc.glmdev.tech:8000/api/v1/exposure');
+  return await http.post(
+    url,
+    headers: <String, String>{
+      'Content-Type': 'application/json',
+    },
+    body: payload,
+  );
+}
diff --git a/loc_chain_app/pubspec.lock b/loc_chain_app/pubspec.lock
index 8c6eb02..86671eb 100644
--- a/loc_chain_app/pubspec.lock
+++ b/loc_chain_app/pubspec.lock
@@ -121,6 +121,20 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.13.1"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
   js:
     dependency: transitive
     description:
@@ -205,6 +219,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.0"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.0"
   platform:
     dependency: transitive
     description:
diff --git a/loc_chain_app/pubspec.yaml b/loc_chain_app/pubspec.yaml
index 4397387..92bb535 100644
--- a/loc_chain_app/pubspec.yaml
+++ b/loc_chain_app/pubspec.yaml
@@ -36,6 +36,7 @@ dependencies:
   flutter_udid: ^2.0.0
   loading_animations: ^2.2.0
   openpgp: ^2.0.0-nullsafety.0
+  http: ^0.13.1
 
 dev_dependencies:
   flutter_test: