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 Application
A modern GUI for building collections, collaborating with teams, and reviewing requests.
Terminal TUI
Stay in the terminal with a fast, interactive interface for exploring requests.
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.