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1

Create a Blank Workspace

  1. Open postman.com and sign in
  2. Click Workspaces in the top nav → Create Workspace
  3. Choose Blank workspace
  4. Name it: Artemis II - [your name] (e.g. Artemis II - Alex)
  5. Set the workspace type to Internal and leave 'who can access' as Only you and invited people. Click Create Workspace
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2

Import the OpenAPI Spec

  1. Click the ellipsis icon (three dots) on the top right of the left navigation bar and select Import
  2. Paste this URL:
https://raw.githubusercontent.com/mishra-aanchal/artemis-mission-control-api-workshop/refs/heads/main/openapi.yaml
  1. You will see a prompt. Select the 'OpenAPI 3.1 Specification with a Postman Collection' option and click Import

Postman auto-generates a collection from the spec with all the Artemis API endpoints ready to use.

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3

Create Environment with Agent Mode

  1. Open Agent Mode (the AI chat panel in Postman)
  2. Enter this prompt:

Create an environment called artemis.local with variables - baseUrl, apiKey and logId.

  1. Verify the environment artemis.local appears with all three variables

Important: After adding variables, click the Share button (or Persist All) to sync values to the cloud. LiftOff validates via the Postman API, which can only see shared values — not local values.

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4

Update Environment Variables

  1. Open the artemis.local environment
  2. Set baseUrl to: https://artemis.up.railway.app
  3. Mark apiKey as type secret (this hides the value during screen sharing)

Important: After updating values, click Share (or Persist All) to sync to the cloud.

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Part 2: Artemis Mission Control Workflow →