The Ultimate Desktop
API Testing Tool
A fast, privacy-first desktop app for API testing. Works offline with optional cloud sync.
Powerful API Request Builder
Build and test API requests with an intuitive interface. Support for all HTTP methods, custom headers, authentication, and multiple request body formats including JSON, XML, and form data.
- Visual request builder with syntax highlighting
- Built-in mock servers and JSON bins
- Environment variables and dynamic values
- Pre-request scripts and test automation
Smart Collections & Workspaces
Organize your API requests into collections with folder structures, shared variables, and powerful workspace management. Perfect for managing complex API projects.
- Hierarchical folder organization
- Shared environments and variables
- Multiple workspace support
- Import/export in multiple formats
Built for Developers, By Developers
All the tools you need for API development and testing in one powerful desktop application
100% Offline Capable
Work without internet connection. Perfect for air-gapped environments, travel, or unreliable networks.
Lightning Fast
Native desktop performance with instant startup and response times. No web browser overhead.
Privacy First
Your data stays on your machine. Optional cloud sync is encrypted and you control what gets synced.
Mock Servers & JSON Bins
Create mock API servers for testing and development. Store and manage JSON data with built-in JSON bins.
Smart Collections
Organize requests into collections with environments, variables, and automated test sequences.
Optional Cloud Sync
Sync your collections and settings across devices when you want to. Always optional, always encrypted.
Ready to Transform Your API Testing?
Join thousands of developers who rely on APIVerve Studio for their API development workflow