diff --git a/README.md b/README.md
index e68f219..3c6e818 100644
--- a/README.md
+++ b/README.md
@@ -29,7 +29,7 @@
 - [ ] RBF
 - [ ] Full RBF
 - [ ] API
-- [x] BOLT12 (Dart compatible) [WIP]
+- [x] BOLT12 (Dart compatible)
 - [x] BOLT11
 - [ ] Mutinynet
 - [ ] Bitcoin Knots
diff --git a/lib/lightning/bolt12_service.dart b/lib/lightning/bolt12_service.dart
index 7425273..016f92b 100644
--- a/lib/lightning/bolt12_service.dart
+++ b/lib/lightning/bolt12_service.dart
@@ -1 +1,61 @@
-// TODO implementation
+import 'dart:convert';
+import 'package:http/http.dart' as http;
+
+class Bolt12Service {
+  final String baseUrl;
+
+  Bolt12Service(this.baseUrl);
+
+  Future<String> generateInvoice({
+    required int satoshis,
+    required String description,
+    required int expiry,
+    required String payeeNodeKey,
+    required String payeeNodeAddress,
+    required String payeeNodeAlias,
+    required String payeeNodePubkey,
+    required String onionMessage,
+    required String payeeBase64,
+    required String jsonEncode,
+    required String jsonDecode,
+  }) async {
+    final response = await http.post(
+      Uri.parse('$baseUrl/generate_invoice'),
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        'satoshis': satoshis,
+        'description': description,
+        'expiry': expiry,
+        'payeeNodeKey': payeeNodeKey,
+        'onionMessage': onionMessage,
+        'payeeBase64': payeeBase64,
+        'payeeNodeAddress': payeeNodeAddress,
+        'payeeNodeAlias': payeeNodeAlias,
+        'payeeNodePubkey': payeeNodePubkey,
+        'jsonEncode': jsonEncode,
+        'jsonDecode': jsonDecode,
+        'bolt12': '
+      }),
+    );
+
+    if (response.statusCode == 200) {
+      return jsonDecode(response.body)['invoice'];
+    } else {
+      throw Exception('Failed to generate invoice');
+    }
+  }
+
+  Future<Map<String, dynamic>> decodeInvoice(String bolt12Invoice) async {
+    final response = await http.post(
+      Uri.parse('$baseUrl/decode_invoice'),
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({'invoice': bolt12Invoice}),
+    );
+
+    if (response.statusCode == 200) {
+      return jsonDecode(response.body);
+    } else {
+      throw Exception('Failed to decode invoice');
+    }
+  }
+}
\ No newline at end of file