Flutter send json body to api

Future<http.Response> createFunction(String str) {
  return http.post(
    Uri.parse('https://your_domain.com/path'),
    headers: <String, String>{
      'Content-Type': 'application/json; charset=UTF-8',
    },
    body: jsonEncode(<String, String>{
      'str': str,
    }),
  );
}

Send json body http get flutter

final queryParameters = {
  'name': 'Bob',
  'age': '87',
};
final uri = Uri.http('www.example.com', '/path', queryParameters);
final headers = {HttpHeaders.contentTypeHeader: 'application/json'};
final response = await http.get(uri, headers: headers);

Source: stackoverflow.com

Similar codes

1 vote148 views1 answer
Flutter dropdownbutton enum
Dart
2 votes157 views1 answer
Bad state: Stream has already been listened to
Dart
17 votes147 views4 answers
Cannot run with sound null safety because the following dependencies don't support null safety
Dart
2 votes147 views1 answer
How to diable flutter for web
Dart
10 votes141 views2 answers
Flutter three line list
Dart
21 votes186 views10 answers
Dart
Dart
1 vote151 views1 answer
Flutter textbutton autofocus
Dart
6 votes153 views2 answers
Dart timer
Dart
43 votes306 views6 answers
Dart string to int
Dart
0 vote152 views4 answers
When i type string in textediter in flutter it shows intger
Dart