The best free alternative to RapidAPI for Mac is Bruno, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to RapidAPI for Mac and loads of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to RapidAPI for Mac are Insomnia REST Client, Postman, Yaak and Hoppscotch.
Lightweight open source API client offering offline API testing, local filesystem storage via plain text, version control compatibility with git, intuitive request management, privacy-first design, cross-platform support, minimal resource usage, and community-driven development.
A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
Postman is a collaborative platform for API development that provides extensive tools for designing, testing, and documenting APIs. It allows API verification through requests, automated testing via Collection Runner, and offers both free and paid plans, catering to individuals and teams.
The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app.
Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.
HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools and automatic interception for clients from Docker to Android to iOS.
ApiArk is a local-first API client built with Tauri v2 and Rust. No login, no cloud, no telemetry. Supports REST, GraphQL, gRPC, WebSocket, SSE and MQTT from one interface. Collections are stored as plain YAML files on your filesystem, fully git-diffable.
Insomnium is a fast local API testing tool that is privacy-focused and 100% local. For testing GraphQL, REST, WebSockets and gRPC. This is a fork of Kong/insomnia.
Free, open source, git-native API client. A local-first, account-free Postman alternative with a built-in MCP server, SOAP/GraphQL, request chaining and performance runs.
API testing tool. Which allows web developers to create and test custom HTTP requests.
Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.
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Sluggish due to the technical foundation of the Electron framework. The user interface became overwhelmingly complex over the time.