API testing

Assert a not-found (404) response

Easy30 pts~12 min
  • 404 Not Found
  • Error envelope
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/api-testing-assert-a-not-found-404-response

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

Objective

Assert a clean 404 for a user that does not exist.

Your task

  1. 1GET BASE_URL + "/users/9999".
  2. 2Assert 404 and error.code === "USER_NOT_FOUND".
  3. 3Assert error.message is a non-empty string.

Acceptance criteria

  • GET /users/{id} returns 404
  • At least 2 assertions pass

Fixtures

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

API testing · API Testing · Authorization & negative testing