API Testing Practice

Master API testing with hands-on examples. Learn to send requests, validate responses, and automate API test scenarios.

API Documentation

View complete OpenAPI 3.0 specification with interactive Swagger UI

Base URL:https://practiceautomatedtesting.com/v1

GET/api/books

Get all books with optional pagination

Code Examples:

curl -X GET "https://practiceautomatedtesting.com/v1/api/books"

Response Example:

{
  "success": true,
  "data": [
    {
      "id": 1,
      "title": "The Great Gatsby",
      "author": "F. Scott Fitzgerald",
      "isbn": "978-0743273565",
      "price": 12.99,
      "inStock": true
    },
    {
      "id": 2,
      "title": "To Kill a Mockingbird",
      "author": "Harper Lee",
      "isbn": "978-0061120084",
      "price": 14.99,
      "inStock": true
    },
    {
      "id": 3,
      "title": "1984",
      "author": "George Orwell",
      "isbn": "978-0452284234",
      "price": 13.99,
      "inStock": false
    }
  ],
  "pagination": {
    "page": 1,
    "limit": 10,
    "total": 3
  }
}

GET/api/books/1

Get a specific book by ID

Code Examples:

curl -X GET "https://practiceautomatedtesting.com/v1/api/books/1"

Response Example:

{
  "success": true,
  "data": {
    "id": 1,
    "title": "The Great Gatsby",
    "author": "F. Scott Fitzgerald",
    "isbn": "978-0743273565",
    "price": 12.99,
    "inStock": true,
    "description": "A novel set in the Jazz Age that tells the story of Jay Gatsby.",
    "publishedDate": "1925-04-10",
    "category": "Classic Literature"
  }
}

POST/api/books

Create a new book

Code Examples:

curl -X POST "https://practiceautomatedtesting.com/v1/api/books" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "title": "New Book Title",
  "author": "Author Name",
  "isbn": "978-1234567890",
  "price": 19.99,
  "inStock": true,
  "description": "Book description",
  "category": "Fiction"
}'

Request Body:

{
  "title": "New Book Title",
  "author": "Author Name",
  "isbn": "978-1234567890",
  "price": 19.99,
  "inStock": true,
  "description": "Book description",
  "category": "Fiction"
}

Response Example:

{
  "success": true,
  "message": "Book created successfully",
  "data": {
    "id": 4,
    "title": "New Book Title",
    "author": "Author Name",
    "isbn": "978-1234567890",
    "price": 19.99,
    "inStock": true
  }
}

PUT/api/books/1

Update an existing book

Code Examples:

curl -X PUT "https://practiceautomatedtesting.com/v1/api/books/1" \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
  "title": "Updated Title",
  "price": 15.99,
  "inStock": false
}'

Request Body:

{
  "title": "Updated Title",
  "price": 15.99,
  "inStock": false
}

Response Example:

{
  "success": true,
  "message": "Book updated successfully",
  "data": {
    "id": 1,
    "title": "Updated Title",
    "author": "F. Scott Fitzgerald",
    "price": 15.99,
    "inStock": false
  }
}

DELETE/api/books/1

Delete a book

Code Examples:

curl -X DELETE "https://practiceautomatedtesting.com/v1/api/books/1" \
  -H "Authorization: Bearer YOUR_TOKEN"

Response Example:

{
  "success": true,
  "message": "Book deleted successfully"
}

POST/api/auth/register

Code Examples:

curl -X POST "https://practiceautomatedtesting.com/v1/api/auth/register" \
  -H "Content-Type: application/json" \
  -d '{
  "email": "user@example.com",
  "password": "SecurePass123!",
  "firstName": "John",
  "lastName": "Doe"
}'

Request Body:

{
  "email": "user@example.com",
  "password": "SecurePass123!",
  "firstName": "John",
  "lastName": "Doe"
}

Response Example:

{
  "success": true,
  "message": "User registered successfully",
  "data": {
    "id": 1,
    "email": "user@example.com",
    "firstName": "John",
    "lastName": "Doe"
  }
}

POST/api/auth/login

Code Examples:

curl -X POST "https://practiceautomatedtesting.com/v1/api/auth/login" \
  -H "Content-Type: application/json" \
  -d '{
  "email": "user@example.com",
  "password": "SecurePass123!"
}'

Request Body:

{
  "email": "user@example.com",
  "password": "SecurePass123!"
}

Response Example:

{
  "success": true,
  "message": "Login successful",
  "data": {
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
    "refreshToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
    "expiresIn": 3600,
    "user": {
      "id": 1,
      "email": "user@example.com",
      "firstName": "John",
      "lastName": "Doe"
    }
  }
}

API Test Scenarios for Automation Practice

GET Requests:

Test successful GET request for all books
Verify response status code is 200
Validate response contains array of books
Check pagination data is present
Test GET request for specific book by ID
Verify book details are complete

POST/PUT/DELETE:

Test POST request to create a new book
Verify authentication header is required
Test PUT request to update book details
Verify updated values in response
Test DELETE request removes book
Validate error responses (404, 401, 400)

Authentication:

Test user registration endpoint
Verify login returns JWT token
Test token expiration handling
Verify protected endpoints require auth
Test refresh token workflow

Response Validation:

Validate JSON response structure
Check data types of response fields
Verify required fields are present
Test response time is acceptable
Validate success/error message format