diff --git a/neo/api/JSONRPC/JsonRpcApi.py b/neo/api/JSONRPC/JsonRpcApi.py
index ad3a2dbad..8da69ac94 100644
--- a/neo/api/JSONRPC/JsonRpcApi.py
+++ b/neo/api/JSONRPC/JsonRpcApi.py
@@ -7,6 +7,7 @@
 * http://www.jsonrpc.org/specification
 """
 import json
+import base58
 import random
 from json.decoder import JSONDecodeError
 
@@ -118,6 +119,26 @@ def home(self, request):
             error = JsonRpcError.internalError(str(e))
             return self.get_custom_error_payload(request_id, error.code, error.message)
 
+    def parse_uint_str(self, param):
+        if param[0:2] == '0x':
+            return param[2:]
+        return param
+
+    def validateaddress(self, params):
+        # check for [] parameter or [""]
+        if not params or params[0] == '':
+            raise JsonRpcError(-100, "Missing argument")
+
+        isValid = False
+        try:
+            data = base58.b58decode_check(params[0])
+            if len(data) == 21 and data[0] == settings.ADDRESS_VERSION:
+                isValid = True
+        except Exception as e:
+            pass
+
+        return {"address": params[0], "isvalid": isValid}
+
     def json_rpc_method_handler(self, method, params):
 
         if method == "getaccountstate":
@@ -229,7 +250,7 @@ def json_rpc_method_handler(self, method, params):
             raise NotImplementedError()
 
         elif method == "validateaddress":
-            raise NotImplementedError()
+            return self.validateaddress(params)
 
         elif method == "getpeers":
             raise NotImplementedError()
diff --git a/neo/api/JSONRPC/neo-cli-json-rpc-docs.md b/neo/api/JSONRPC/neo-cli-json-rpc-docs.md
index 030ecc533..559470a83 100644
--- a/neo/api/JSONRPC/neo-cli-json-rpc-docs.md
+++ b/neo/api/JSONRPC/neo-cli-json-rpc-docs.md
@@ -38,3 +38,15 @@ On MainNet there are actually entries, each of which has this format: `0xde3bc1d
 
     curl -X POST http://seed2.neo.org:20332 -H 'Content-Type: application/json' -d '{ "jsonrpc": "2.0", "id": 5, "method": "getversion", "params": [] }'
     { "jsonrpc": "2.0", "id": 5, "result": { "port": 20333, "nonce": 771199013, "useragent": "/NEO:2.6.0/" } }
+
+## `validateaddress`
+    curl -X POST http://seed2.neo.org:20332 -H 'Content-Type: application/json' -d '{ "jsonrpc": "2.0", "id": 5, "method": "validateaddress", "params": ["AQVh2pG732YvtNaxEGkQUei3YA4cvo7d2i"] }'
+    {"jsonrpc":"2.0","id":5,"result":{"address":"AQVh2pG732YvtNaxEGkQUei3YA4cvo7d2i","isvalid":true}}
+    
+### with invalid address
+    curl -X POST http://seed2.neo.org:20332 -H 'Cication/json' -d '{ "jsonrpc": "2.0", "id": 5, "method": "validateaddress", "params": ["152f1muMCNa7goXYhYAQC61hxEgGacmncB"] }'
+    {"jsonrpc":"2.0","id":5,"result":{"address":"152f1muMCNa7goXYhYAQC61hxEgGacmncB","isvalid":false}}
+    
+### with completely invalid argument
+    curl -X POST http://seed2.neo.org:20332 -H 'Content-Type: application/json' -d '{ "jsonrpc": "2.0", "id": 5, "method": "validateaddress", "params": [] }'
+    {"jsonrpc":"2.0","id":5,"error":{"code":-2146233086,"message":"Index was out of range. Must be non-negative and less than the size of the collection.\r\nParameter name: index"}}
\ No newline at end of file
diff --git a/neo/api/JSONRPC/test_json_rpc_api.py b/neo/api/JSONRPC/test_json_rpc_api.py
index 908c01f4a..72093a470 100644
--- a/neo/api/JSONRPC/test_json_rpc_api.py
+++ b/neo/api/JSONRPC/test_json_rpc_api.py
@@ -274,6 +274,33 @@ def test_get_version(self):
         self.assertEqual(res["result"]["port"], 20332)
         self.assertEqual(res["result"]["useragent"], "/NEO-PYTHON:%s/" % __version__)
 
+    def test_validate_address(self):
+        # example from docs.neo.org
+        req = self._gen_rpc_req("validateaddress", params=["AQVh2pG732YvtNaxEGkQUei3YA4cvo7d2i"])
+        mock_req = mock_request(json.dumps(req).encode("utf-8"))
+        res = json.loads(self.app.home(mock_req))
+        self.assertTrue(res["result"]["isvalid"])
+
+        # example from docs.neo.org
+        req = self._gen_rpc_req("validateaddress", params=["152f1muMCNa7goXYhYAQC61hxEgGacmncB"])
+        mock_req = mock_request(json.dumps(req).encode("utf-8"))
+        res = json.loads(self.app.home(mock_req))
+        self.assertFalse(res["result"]["isvalid"])
+
+        # catch completely invalid argument
+        req = self._gen_rpc_req("validateaddress", params=[])
+        mock_req = mock_request(json.dumps(req).encode("utf-8"))
+        res = json.loads(self.app.home(mock_req))
+        self.assertTrue('error' in res)
+        self.assertEqual('Missing argument', res['error']['message'])
+
+        # catch completely invalid argument
+        req = self._gen_rpc_req("validateaddress", params=[""])
+        mock_req = mock_request(json.dumps(req).encode("utf-8"))
+        res = json.loads(self.app.home(mock_req))
+        self.assertTrue('error' in res)
+        self.assertEqual('Missing argument', res['error']['message'])
+
     def test_getrawtx_1(self):
         txid = 'cedb5c4e24b1f6fc5b239f2d1049c3229ad5ed05293c696b3740dc236c3f41b4'
         req = self._gen_rpc_req("getrawtransaction", params=[txid, 1])