Getting Started
Welcome to PageEngineer API Playground! This comprehensive guide will help you master API testing and code generation.
Send HTTP requests with custom headers, body, and authentication
Get production-ready code snippets in 10+ languages
Save requests, create collections, and share with your team
API Testing Guide
Enter API URL
Start by entering your API endpoint URL in the main input field
Select HTTP Method
Choose from GET, POST, PUT, PATCH, or DELETE methods
Configure Request
Add headers, request body, and authentication as needed
Send & Analyze
Click Send to execute the request and view the formatted response
Headers provide additional information about your request. Common headers include:
Code Generation
Frontend
Backend
Installation
Install required dependencies for your chosen language:
Configuration
Remember to replace placeholder values:
- • API keys and tokens
- • Base URLs and endpoints
- • Request parameters
- • Error handling logic
Example APIs
Try these free APIs to get started with testing and code generation:
Free fake API for testing and prototyping
/postsGet all posts/posts/1Get specific post/postsCreate new post/posts/1Update post/posts/1Delete postFake e-commerce REST API for testing
/productsGet all products/products/1Get specific product/products/categoriesGet categories/usersGet all users/auth/loginUser loginHosted REST-API for testing HTTP requests
/usersList users/users/2Single user/usersCreate user/users/2Update user/users/2Delete userAuthentication
Most common for API authentication. Add to Authorization header:
Simple key-based authentication. Can be in header or query parameter:
Username and password encoded in Base64:
For complex authentication flows, obtain access token first:
Embed API Code
Embed PageEngineer API requests in your documentation, blog posts, or applications:
Best Practices
- • Start with GET requests to understand the API structure
- • Always check response status codes and headers
- • Test error scenarios (404, 500, etc.)
- • Validate response data format and structure
- • Use proper Content-Type headers for POST/PUT requests
- • Review generated code before using in production
- • Add proper error handling for your use case
- • Replace placeholder values with actual credentials
- • Consider rate limiting and retry logic
- • Test generated code in your development environment
- • Never expose API keys in client-side code
- • Use environment variables for sensitive data
- • Implement proper CORS policies
- • Validate and sanitize all input data
- • Use HTTPS for all API communications
- • Implement request caching where appropriate
- • Use pagination for large datasets
- • Minimize payload size with field selection
- • Implement connection pooling for high-volume APIs
- • Monitor API response times and errors
Ready to Start Testing APIs?
Put your knowledge to practice with our powerful API playground