API Catalyst - Supercharge your API workflow

Supercharge your
API Workflow

The next-generation client for HTTP and WebSocket testing. Organize projects, manage secrets, and generate payloads with AI.

REST & HTTP

Craft complex requests with a powerful editor. Support for multiple methods, custom headers, and dynamic variables.

AI Integration

Leverage Gemini to generate JSON bodies instantly and explain error responses in plain English.

WebSockets

Debug real-time connections with a dedicated WebSocket client, message history, and connection state management.