GUI-first API workspace

Manage teams, requests, and environments in one focused workspace.

Mostman ships with a desktop app, terminal TUI, and CLI so every teammate can work the way they like—GUI included.

Desktop App Terminal TUI CLI Web Workspace
Desktop screenshots TUI workflows CLI automation
Desktop application screenshot
Desktop Application

A modern GUI for building collections, collaborating with teams, and reviewing requests.

Terminal application screenshot
Terminal TUI

Stay in the terminal with a fast, interactive interface for exploring requests.

CLI screenshot
CLI

Script API calls, automate checks, and plug Mostman into your CI pipelines.

Everything teams need

Run the full API lifecycle across GUI, TUI, and CLI.

From shared collections to encrypted environment variables, Mostman keeps every interface organized and secure.

Teams & Workspaces

Create spaces for product squads, invite teammates, and manage roles.

Collections & Sharing

Build request trees, share collections, and keep versions aligned.

Request Builder

Compose requests with headers, body formats, and live response previews.

Environment Manager

Switch between staging and production with variable sets that stay in sync.

API Keys Vault

Store secrets securely and share masked values across the team.

Activity & Reviews

Track changes, leave notes, and keep reviews moving in one place.

Built for sharing

Collaborate without losing context.

Share collections with one click, pin environments per request, and reuse API keys across workspaces without exposing raw secrets.

Share collections Request history Scoped environments