May 21, 2026

Terminally online, textually offended

Slumber a TUI HTTP Client

A nerdy new app wins fans fast — but the comments instantly start a YAML war

TLDR: Slumber is a new text-based app for sending and managing web requests, and early commenters liked its keyboard-friendly vibe and editor support. But the real action was in the replies: people immediately argued over what “TUI” means, demanded Postman imports, and reignited the eternal YAML debate.

A new tool called Slumber just showed up promising to make sending web requests from a text-only app feel smooth, shareable, and actually pleasant. In plain English: it’s for people who poke at websites and services for work, but want to do it inside a terminal window instead of a giant click-heavy app. And while the project itself is calm and practical, the comment section absolutely refused to stay calm.

The love came first. One person was instantly sold by the Neovim integration, which is basically catnip for keyboard-first power users. Another called it great and said they’d try it in daily work, giving the whole thread a wholesome “this might replace my current tool” energy. But then the real fun started: one commenter jumped in with a full-on acronym correction, arguing that TUI should mean “Text User Interface,” not “Terminal User Interface.” Yes, the classic internet move: a promising launch gets greeted by a definitions fight.

Then came the practical demands. A commenter basically said, import Postman stuff and you’ve got me for life, which translates to: nice app, but can it survive the messy real world? And finally, the hottest mini-drama of all: why is this using YAML? That opened the familiar tech soap opera where one person sees a friendly config file and another sees unreadable chaos plus security headaches. So Slumber may be about restful requests, but the community reaction was anything but restful.

Key Points

  • Slumber is a terminal-based HTTP client intended for interacting with REST and other HTTP services.
  • It provides two modes of use: a Terminal User Interface (TUI) and a Command Line Interface (CLI).
  • The TUI is described as the most useful mode for interactively sending requests and viewing responses.
  • The CLI is intended for quick requests and scripting workflows.
  • Slumber uses a shared YAML-based request collection as its configuration format across both TUI and CLI modes.

Hottest takes

"TUI stands for 'Text User Interface' not 'Terminal User Interface'" — hunter2_
"If it could import and export postman collections and env, you'd have a customer for life!" — keyle
"why do people use YAML?" — voidUpdate
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