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Uno is a multiplatform HTTP client, based on Axios and built following the Clean Dart approach by the Flutterando Community.

UNO - Future based HTTP client for Dart and Flutter.


Uno, inspired by Axios, brings a simple and robust experience to crossplatform apps in Flutter and server apps in Dart.
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Pub Publisher Flutterando Youtube

Table of Contents
  1. About The Project
  2. Sponsors
  3. How To Use
  4. Features
  5. Contributing
  6. License
  7. Contact
  8. Acknowledgements

About The Project #

Uno is a multiplatform HTTP client, based on Axios and built following the Clean Dart approach by the Flutterando Community. It is a simple and hassle free solution while still bringing everything you need and a bit more in a HTTP client.

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Sponsors #


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Getting Started #

To install Uno in your project you can follow the instructions below:

a) Add in your pubspec.yaml:

uno: <last-version>

b) or use:

dart pub add uno

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How To Use #

Uno is ready for REST APIs. Methods like GET, POST, PUT, PATCH, DELETE are welcome here!

final uno = Uno();

// Make a request for a user with a given ID
  print(; // it's a Map<String, dynamic>.
  print(error) // It's a UnoError.

For more examples, please refer to the Documentation

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Features #

  • ✅ GET
  • ✅ POST
  • ✅ PATCH
  • ✅ PUT
  • ✅ DELETE
  • ✅ Interceptors
  • ✅ Error Handler
  • ✅ Multipart/FormData

Right now this package has concluded all his intended features. If you have any suggestions or find something to report, see below how to contribute to it.

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Use cases #

Send post json

final json = {
  'name': 'Joshua',
  'lastName': 'Baxter'

await'/user', data: json);

Send post form urlencoded

final data = {
  'name': 'Joshua',
  'lastName': 'Baxter'

await'/user', headers: {
     HttpHeaders.contentTypeHeader: "application/x-www-form-urlencoded",
    data: data,

Send Multipart form

final formData = FormData();
formData.add('name', 'Maira');
formData.add('lastName', 'Moura');

await'/user', data: formData);

Upload file with multipart

final formData = FormData();
formData.addFile('file', 'image/profile.png');

await'/upload', data: formData);

Download file

  final response = await uno.get(
    responseType: ResponseType.arraybuffer,
    onDownloadProgress: (total, current) {
      print((current * total) / 100);
  final bytes = as List<int>;
  final file = File('localFile.csv');
  await file.writeAsBytes(bytes);

Contributing #

🚧 Contributing Guidelines - Currently being updated 🚧

Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the appropriate tag. Don't forget to give the project a star! Thanks again!

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

Remember to include a tag, and to follow Conventional Commits and Semantic Versioning when uploading your commit and/or creating the issue.

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License #

Distributed under the MIT License. See LICENSE.txt for more information.

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Contact #

Flutterando Community

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Aknowledgements #

Thank you to all the people who contributed to this project, whithout you this project would not be here today.

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Maintaned by #

Built and maintained by Flutterando.

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Uno is a multiplatform HTTP client, based on Axios and built following the Clean Dart approach by the Flutterando Community.

Repository (GitHub)
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API reference


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