### Page URL https://docs.flutter.dev/cookbook/networking/fetch-data ### Page source https://github.com/flutter/website/blob/main/src/content/cookbook/networking/fetch-data.md ### Describe the problem GET https://jsonplaceholder.typicode.com/albums/1 is returning 403 on mobile. <img width="1496" height="934" alt="Image" src="https://github.com/user-attachments/assets/ef2000ca-0d46-4768-8b78-de895923d691" /> <img width="1080" height="2220" alt="Image" src="https://github.com/user-attachments/assets/f65b097f-49e9-4d3b-bd6d-50a4d22bb033" /> <img width="1496" height="934" alt="Image" src="https://github.com/user-attachments/assets/f9bd370d-86d3-41c9-a287-50b83a055dd8" /> [dart_devtools_2026-03-15_19_57_08.711.json](https://github.com/user-attachments/files/26003859/dart_devtools_2026-03-15_19_57_08.711.json) ### Expected fix Add `Accept` header and `Content-Type` header ### Additional context _No response_ ### I would like to fix this problem. - [x] I will try and fix this problem on docs.flutter.dev.