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1

Open Agent Mode

Agent Mode is an AI assistant built into Postman that completes API development tasks from natural-language prompts — creating workspaces and collections, writing tests, debugging errors, and more. It asks clarifying questions before taking action, and shows you what it's about to do before running it.

  1. Open Postman (desktop app or web).
  2. You can open Agent Mode two ways:
    • From the homepage: type a request into the query box and click Let's go — this opens your most recent workspace with Agent Mode loaded.
    • From any workspace: open the panel in the bottom-right corner and switch to the AI tab.
  3. Try typing @ in the Agent Mode input — this lets you point Agent Mode at a specific collection, folder, request, environment, or API spec as context for your prompt. You'll use this in later steps.

Learn more: Agent Mode overview

2

Create Your Workspace with a Prompt

Instead of clicking through the Create Workspace dialog yourself, describe what you want and let Agent Mode do it.

  1. In Agent Mode, write a prompt like:

    Create a new Internal workspace called "[Your Name] - AI Basics" that only I can access.

  2. Replace [Your Name] with your actual name (e.g. Alex - AI Basics).

  3. Review what Agent Mode proposes, then approve it.

3

Build a Collection from the Movies API

Now that you have a workspace, let Agent Mode do the tedious part — describing an entire API in plain English and letting it scaffold every request for you, instead of building each one by hand.

The Movies API is a free, publicly hosted REST API with no authentication:

MethodEndpointDescription
GET/movies/animationList all animated movies
GET/movies/animation/:idGet one movie
POST/movies/animationCreate a movie
PUT/movies/animation/:idUpdate a movie
DELETE/movies/animation/:idDelete a movie

A movie has an id (number, required), title (string, required), posterURL (string, required), and imdbId (string, required).

  1. Make sure you're in your [Your Name] - AI Basics workspace from Step 2.

  2. In Agent Mode, write a prompt like:

    Create a collection called "Movies API" in this workspace. Add a request for each of these endpoints: GET /movies/animation, GET /movies/animation/:id, POST /movies/animation, PUT /movies/animation/:id, DELETE /movies/animation/:id. Use https://api.sampleapis.com as the base URL. For POST and PUT, include an example JSON body with id, title, posterURL, and imdbId.

  3. Review the requests Agent Mode creates, then approve it.