Based on our record, Aspen - API Testing for macOS seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
This is where a tool like Aspen comes in, a native built privacy focused API testing tool. There is no login required, and no requests go to anywhere other than your local machine - unless you choose to share a request with another user. - Source: dev.to / 7 months ago
Thunder Client - Rest API client for VS Code, lightweight Postman alternative
Postman - The Collaboration Platform for API Development
API Tester - API Tester is the first mobile app to test any type of API on the go. Including REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, HTTPS.
Axe API - The next-generation Rest API framework.
RapidAPI for Mac - Paw is a REST client for Mac.
Insomnia REST - Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.