diff --git a/src/bitpay/clients/response_parser.py b/src/bitpay/clients/response_parser.py
index 0230c3f..73a536d 100644
--- a/src/bitpay/clients/response_parser.py
+++ b/src/bitpay/clients/response_parser.py
@@ -38,13 +38,27 @@ def response_to_json_string(response: Response) -> Any:
             )
 
         if "errors" in response_obj:
-            message = ""
+            final_message = ""
             for error in response_obj["errors"]:
-                if message == "":
-                    message += str(error["error"])
+                error_value = error.get('error', '')
+                param_value = error.get('param', '')
+
+                if error_value.endswith('.'):
+                    error_value = error_value[:-1]
+
+                if error_value:
+                    result = f"{error_value} {param_value}".strip()
                 else:
-                    message += " " + str(error["error"])
-            BitPayExceptionProvider.throw_api_exception_with_message(message)
+                    result = param_value.strip()
+
+                if not result.endswith('.'):
+                    result += '.'
+
+                if not final_message == "":
+                    result = " " + result
+
+                final_message += result
+            BitPayExceptionProvider.throw_api_exception_with_message(final_message)
 
         if "success" in response_obj:
             return response_obj["success"]
diff --git a/tests/unit/clients/test_response_parser.py b/tests/unit/clients/test_response_parser.py
index 2aaac64..1747e0d 100644
--- a/tests/unit/clients/test_response_parser.py
+++ b/tests/unit/clients/test_response_parser.py
@@ -26,4 +26,4 @@ def test_handle_multiple_errors(mocker):
         response.json.return_value = response_json
         ResponseParser.response_to_json_string(response)
 
-    assert str(exc_info.value) == "Missing required parameter. Missing required parameter."
+    assert str(exc_info.value) == "Missing required parameter price. Missing required parameter currency."