Sample Data Files — JSON, XML, SQL for API Testing
Download free sample data files in JSON (API mocking), XML (structured data), and SQL (database dumps). Perfect for testing REST APIs, seeding databases, and validating data parsers.
Browse by Format
API mocking — users, products, nested objects
View all JSON →Related reading
·8 min
Mocking REST APIs with JSON Fixtures
Fast frontend iteration without a backend. MSW, json-server, and sample fixtures for users, products, and nested objects. Copy-paste examples.
·7 min
Sample JSON Data for API Testing and Mocking
Free sample JSON files for testing REST APIs. Users, products, nested objects, GeoJSON, and API response wrappers with code examples.
·9 min
Database Seeding from SQL Dumps
Populate test databases with realistic data. MySQL, PostgreSQL, and SQLite sample dumps. Fixtures for users, orders, and time-series data.