API platform for designing, testing, mocking, monitoring and documenting APIs, with agent mode, a CLI and an MCP server. If it is not working for you, here are 8 apps that do the same job, closest match first.
Built from official pricing pages and app store listings, prices checked 2026-11-01. Not paid to be here.| App | Price | Platforms | Pick it if |
|---|---|---|---|
| Postman (the app you have) | Free $0/month | Mac, Windows, Linux, Web | - |
| Hoppscotch | Free $0 forever | Web, Mac, Windows, Linux | you want it free |
| Insomnia | Essentials $0/user/month | Mac, Windows, Linux | you want open source |
| Bruno | Open Source $0 | Mac, Windows, Linux | you want it free |
| Docker Desktop | Personal $0 | Mac, Windows, Linux | you want a close match |
| Warp | Free $0/month | Mac, Linux, Windows | you want more power-user features |
| Zed | Personal $0 forever | Mac, Linux, Windows | you want open source |
| Claude Code | Included in Claude Pro, Max, Ultra, Team Standard and Premium | Everywhere | you need it on Android and iPhone |
| Cursor | Free $0/month | Mac, Windows, Linux, Web, iPhone | you need it on iPhone |
Open-source API client for HTTP, GraphQL, WebSocket and more, in the browser, on desktop, CLI or self-hosted.
Pick it if you want it free, privacy matters most to you and you want open source.
Open-source API client from Kong for REST, GraphQL, gRPC and WebSockets, with design, mocking, testing and an MCP client.
Pick it if you want open source.
Open-source, offline-first API client that stores collections as plain files in your Git repo. No account or cloud sync.
Pick it if you want it free, privacy matters most to you and you want open source.
Desktop app for building and running containers locally, with Docker Engine, CLI, Compose, Kubernetes and extensions.
Modern terminal with built-in coding agents, plus Warp Factories for running fleets of cloud agents.
Pick it if you want more power-user features and you want AI built in.
Fast open-source code editor written in Rust, with parallel AI agents, edit prediction, real-time collaboration and Vim mode.
Pick it if you want open source, you want more power-user features and you want AI built in.
Anthropic's agentic coding tool that reads your codebase, edits files and runs commands from the terminal, IDE, desktop, web or phone.
Pick it if you need it on Android and iPhone, you want more power-user features and you want AI built in.
AI coding agent and editor from Anysphere that builds, tests and reviews code, with cloud agents, a CLI and a mobile app.
Pick it if you need it on iPhone, you want more power-user features and you want AI built in.
We matched these apps to Postman by what they are for, who they suit and where they run, using our research on each app's official website and app store listing. We have not tested them hands-on for this page. Check the price on each app's own site before you buy.