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Collection Variables

Collection variables are shared across all environments in a collection. They are the baseline — environment variables override them when an environment is active.

Common Use Cases​

  • Base URL: baseUrl = https://api.myapp.com
  • API version: apiVersion = v2
  • Shared configuration that doesn't change between environments

Managing Collection Variables​

  1. Open the Environments tab (Globe icon in tab bar)
  2. Select the collection from the picker
  3. Click Collection Variables in the left panel
  4. Add, edit, or delete variables in the table

Sensitive Variables​

Mark a variable as Secret type to mask its value in the UI. Masked values are shown as •••••• and can be revealed with the eye icon.

Example​

Collection Variables:
  baseUrl      = https://api.myapp.com
  apiVersion   = v2

Environment: Staging
  baseUrl      = https://staging.api.myapp.com   ← overrides collection var

Environment: Production
  baseUrl      = https://api.myapp.com           ← same as collection var, can omit

In your request URL: {{baseUrl}}/{{apiVersion}}/users resolves based on which environment is active.