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API testing

Validate field data types

Medium70 pts~25 min
  • Type checking
  • Contracts
Practice app · Acme REST API

A live REST + GraphQL API with auth, validation, pagination, rate limiting and an interactive request console.

BASE_URL
/api/practice
Console app
/lab/sdet-validate-field-data-types

Your starter code already declares BASE_URL — call the API relative to it.

Objective

Assert the type of every field in the user payload, not just its presence.

Your task

  1. 1GET BASE_URL + "/users/1".
  2. 2Assert id is an integer, name/email/role are strings, active is a boolean.
  3. 3Assert address is an object, tags is an array of strings, and createdAt parses as a date.

Acceptance criteria

  • GET /users/1 returns 200
  • At least 5 assertions pass

Fixtures

apiKey
tqa_live_key_123
basicUser
admin
basicPassword
secret
username
qa@target.dev
password
Test@123

API testing · SDET · Schema & contracts