1. Add the `http` package to `pubspec.yaml`.
2. Configure platform permissions for internet access.
3. Construct the target `Uri` using `Uri.https()`.
4. Execute the HTTP request using `http.get()`, `http.post()`, etc.
5. Validate the `response.statusCode`.
6. Parse the JSON payload using `jsonDecode()` and map to Dart objects.
7. Handle errors and exceptions appropriately.