API Response Mocker - Generate Realistic Test Data

Create mock API responses with realistic data for testing and development. Perfect for frontend developers, QA engineers, and API designers.

18 pre-built templates across 5 categoriesDynamic data generation using Faker.jsHTTP/1.1, HTTP/2, and HTTP/3 protocol support

Templates

HTTP Method

Endpoint Path

HTTP Protocol Version

Select the HTTP protocol version for the response

Status Code

Response Delay (ms)

Response Headers

Content-Type:application/json

Response Body (JSON)

Use these placeholders to generate realistic mock data. Click to copy!

💡 Pro Tip: Any Faker.js method works! Format: {{faker.module.method()}}

Click "Generate Preview" to see your mock response

Use Faker.js placeholders to generate realistic names, emails, addresses, and more

Test with HTTP/1.1, HTTP/2, or HTTP/3 protocols for modern API development

Copy responses, generate cURL commands, and test your mocks instantly

Learn about API mocking, testing best practices, and how to use this tool effectively

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