Aspen
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About
Aspen is a free, native macOS app for testing REST APIs. It boasts a zero-trust policy, requiring no login. Its AI assistant, Alfred, helps generate data models, OpenAPI specifications, and integration code. New Collections features allow for streamlined teamwork via importing, exporting, and sharing API requests. Aspen is developed by Treblle, and offers several advantages over competitors like Postman and Insomnia, primarily its security focus, AI integration and ease of use.
Platform
Task
Features
• ai assistant
• api testing
• no login required
• zero trust policy
• collections for organization and collaboration
• integration code generation
• data model generation
• openapi spec generation
FAQs
Is Aspen Free?
Yes. Aspen is a free API testing tool made to help out developers who work on API design and API integrations.
Why would I use Aspen and not Postman or Insomnia?
Aspen is a tool for API testing that offers several unique advantages compared to other tools like Postman or Insomnia: *Zero Trust Policy Aspen ensures high data security by not saving any data. All operations are performed locally on your machine, which means there's no risk of your data being stored or handled externally. *No Login Required You can start using Aspen immediately without the need for creating an account or logging in. This feature makes it extremely convenient to integrate Aspen into your existing development tools setup. *Integrated AI Assistant Aspen comes with an AI assistant that streamlines the API testing process. This assistant helps you quickly run tests, generate integration code, create OpenAPI Specifications, and develop Data Models, all within the same interface. This integration saves time and simplifies the workflow. *Focus on REST APIs Aspen is specifically designed for testing REST APIs. This focus means that the tool is optimized for these types of APIs, reducing the time and effort required to set up and conduct tests.
Is Aspen owned by a company?
Yes! Aspen is developed by Treblle, an API platform for the entire API Lifecycle. It has a free forever tier if you want to try it out. Out of the box you get access to our API Observability, API Analytics, API Governance, Autogenerated API Docs and A(p)I Assistant products.
Pricing Plans
Free
Free Plan• API testing
• AI assistant
• OpenAPI Spec generation
• Data model generation
• Integration code generation
• Collections for organization and collaboration
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