Aspen

What is Aspen?

Aspen is a free-to-use API testing app for macOS that requires no login. It is specifically designed for testing REST APIs and uses AI to assist with integrations by generating data models, OpenAPI Specs, and integration code. Aspen prioritizes data security by performing all operations locally, ensuring no data is stored externally.

How to use Aspen?

Simply input the parameters you want to test within the Aspen app, and you’ll receive results in less than a second. Use the AI Companion Alfred to speed up integrations and development. You can also organize, import, export, and share API requests using the Collections feature.

Aspen’s Core Features

Free API testing for macOS No login required AI-powered assistance for integrations REST API focused Local data processing for enhanced security API Collections for collaboration

Aspen’s Use Cases

• Testing REST APIs locally on macOS
• Generating data models and OpenAPI Specs
• Streamlining API integrations with AI assistance
• Collaborating on API testing with Collections feature
• Ensuring data security during API testing