The best alternatives to Lumi are Public APIs, Thunder Client, and Axe API. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
A collective list of more than 1000 Free Public and Open REST APIs for developers like movie APIs, Anime APIs, weather APIs, music APIs, games and comics APIs, currency APIs, sports APIs, science APIs, open data APIs, etc.
Thunder Client is Rest API Client Extension for Visual Studio Code, with simple and clean design. The extension makes api testing very easy with Scriptless GUI based testing.
Axe API is a TypeScript-based Node.js framework designed to eliminate the need for repetitive tasks associated with common elements while allowing developers to focus on custom logic.
Tired of building APIs? Generate them! Features 🙉 - Generates simple Nodejs Rest and GraphQL APIs - Uses Mongodb with Mongoose ORM - Generates CRUD APIs (supports search, sort, filter, pagination out of the box) - Easy to build / deploy (Dockerfile included)