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# Basic And Advanced Networking in Dart and Flutter

**By:** [Anna Leushchenko](https://www.wearedevelopers.com/@anna-leushchenko)

**Published:** August 19, 2022

Most applications, be it mobile, web, or desktop, depend on some kind of backend. Thus, an API layer is an integral part of application implementation.

This six-part series presents tools and approaches that facilitate API layer implementation in Flutter and Dart applications we use at [**Tide**](https://www.tide.co/):

- [**Part 1** : data models with freezed and json\_serializable. Basic.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-6e7fb26c0d5c)
- [**Part 2** : data models with freezed and json\_serializable. Advanced.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-170fa08b9169)
- [**Part 3** : HTTP client and request interceptors with dio. Basic.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-d922fb65a01c)
- [**Part 4** : HTTP client and request interceptors with dio. Advanced.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-62ca1eef2c5c)
- [**Part 5** : REST API requests with retrofit. Basic.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-cf82c191a85f)
- [**Part 6** : REST API requests with retrofit. Advanced.](https://medium.com/@foxanna/basic-and-advanced-networking-in-dart-and-flutter-the-tide-way-161a8f7c9ede)

Each of these parts can be applied independently, but together they complement each other and form a full-fledged API layer implementation.

## TL;DR

To have some fun we’ll use [Marvel Comic API](https://developer.marvel.com/) and create a Flutter application that displays a list of Marvel comics.

![](https://wearedevelopers.imgix.net/public/magazine/articles/112/images/62f215cf034dd00b05e0bb02_1*7_BM0XTF-5JcfjXzzgLV5Q.png?w=720&fit=max&dpr=2&auto=format)

Check out the [**_Flutter Advanced Networking_**](https://github.com/foxanna/flutter_advanced_networking) GitHub repository with a full example.

If you prefer consuming video content, be sure to watch [Anna (Domashych) Leushchenko's](https://medium.com/u/564bb1a2a34a?source=post_page-----33ac040a4a1c--------------------------------) talk “[Basic and advanced networking in Dart and Flutter — the Tide way](https://youtu.be/EQZhIrevmTs)” on [Flutter Global Summit’22](https://events.geekle.us/flutter/).

https://www.youtube.com/embed/EQZhIrevmTs

‍

## New to build\_runner?

We at [**Tide**](https://www.tide.co/) rely heavily on the code-generating mechanism with [build\_runner](https://pub.dev/packages/build_runner).

If you are interested to find out about even more areas of code generation application, register for the upcoming [Flutter Vikings 2022 conference](https://fluttervikings.com/), where Anna will share her experience in the “[Fun with code generation](https://fluttervikings.com/fun-with-code-generation)” session. Online attendance is free.

![](https://wearedevelopers.imgix.net/public/magazine/articles/112/images/62f4bbf52c8ab42f14810bf2_1*oxhzGzpK1GlMaLa8goW2QQ.png?w=720&fit=max&dpr=2&auto=format)

‍

## Pssst… We are hiring!

[**Tide**](https://www.tide.co/) is the leading provider of UK SME business accounts and one of the fastest-growing FinTechs in the UK. We are transforming the business banking market, providing a smart current account that gives time back to business owners.

At [**Tide**](https://www.tide.co/), we develop mobile applications for Android and iOS using Flutter. We have a team of over 30 mobile engineers. Yet we’re scaling at speed with a focus on hiring talented individuals with a growth mindset and ownership mentality. Check out our [careers page](https://www.tide.co/careers/) for “Mobile Engineer” positions in different locations.



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