Compare the Top API Clients for Mac as of September 2026

What are API Clients for Mac?

API clients are software tools or libraries that enable applications to communicate with APIs (Application Programming Interfaces) by sending requests and handling responses. They simplify the process of making authenticated calls, formatting requests, and parsing data returned from remote services. API clients often include features for error handling, retries, and rate-limiting to ensure reliable integrations. Many are available in multiple programming languages, making it easier for developers to interact with web services and backend systems. By abstracting the complexity of direct network communication, API clients accelerate development and help maintain clean, maintainable code. Compare and read user reviews of the best API Clients for Mac currently available using the table below. This list is updated regularly.

  • 1
    Postman

    Postman

    Postman

    The collaboration platform for API development. Simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Postman is a collaboration platform for API development. Postman's features simplify each step of building an API and streamline collaboration so you can create better APIs—faster. Quickly and easily send REST, SOAP, and GraphQL requests directly within Postman. Automate manual tests and integrate them into your CI/CD pipeline to ensure that any code changes won't break the API in production. Communicate the expected behavior of an API by simulating endpoints and their responses without having to set up a backend server. Generate and publish beautiful, machine-readable documentation to make your API easier to consume. Stay up-to-date on the health of your API by checking performance and response times at scheduled intervals. Provide a shared context for building and consuming APIs, and collaborate in real-time.
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    Starting Price: $12 per user per month
  • 2
    Insomnia
    Design, debug, and test APIs like a human, not a robot. Finally, a workflow you'll love. The Collaborative API Design Tool for designing, testing and managing OpenAPI specifications. The Desktop API client for REST and GraphQL. Make requests, inspect responses. Quickly create and group requests, specify environment variables, authentication, generate code snippets, and more. Get all the details on responses. View the whole request timeline, status codes, body, headers, cookies, and more. Create workspaces, folders, environments, drag-and-drop requests, and easily import and export your data. Create, edit, lint, debug, preview, and manage all of your OpenAPI specs in one collaborative API design editor. Generate configuration for common API gateways such as the Kong API Gateway, and Kong for Kubernetes. Sync your API designs with source control such as Github / Gitlab, and deploy directly to API Gateways such as Kong with one click.
    Starting Price: $5 per month
  • 3
    Hoppscotch

    Hoppscotch

    Hoppscotch LTD.

    Hoppscotch makes it easy to create and test your APIs, helping you to ship products faster. Create APIs faster, test them instantly, document and share them automatically. From prototyping to production - develop without switching tabs. Hoppscotch got everything you need to make API development easy. Create workspaces for your teams. Control access to your workspaces. Work together with your team in real-time. Deploy Hoppscotch on your own servers. Organize your requests in collections or folders and share them with your team. Manage your environment variables and use them everywhere. View and manage your request history. Modify headers, authenticate requests, generate random data, and much more. Test your APIs and write assertions for the response. Use Hoppscotch in your native language. We support 30+ languages. Track all the activities in your workspace. Who did what and when. Use your existing SSO provider to login to Hoppscotch. Manage your users, workspaces, and more.
    Starting Price: $19 per user per month
  • 4
    Requestly

    Requestly

    RQ Labs, Inc.

    Requestly API Client offers a range of tools to help you design, manage, and test APIs effectively. With distinct combination of features Requestly acts as a companion to developers and QAs. 1. Design APIs: Requestly simplifies API Design by allowing you to create individual API requests, specify HTTP methods, headers, query parameters, and request bodies. 2. Send API Requests: Sending API Requests is at the core of API testing. Responses can be viewed in detail, including status codes, headers, and payloads. 3. API Collections: Collections allow you to group related API requests for better organization and collaboration. 4. Variables: Requestly simplify API testing and management by allowing you to replace hardcoded values with placeholders - Collection, Environment, and Global Variables. 5. Scripts (Pre & Post): Scripts allow you to add logic or modify requests before they are sent, or process responses and manipulate variables that can be used in subsequent API call.
    Starting Price: $0
  • 5
    NativeRest

    NativeRest

    NativeSoft

    NativeRest is a high-performance, memory-efficient REST API client available for Windows, macOS, and Linux. Unlike Electron-based apps, it is a fully native application, which results in faster startup times and significantly lower memory and CPU usage. NativeRest supports offline work with local and cloud-based workspaces, enabling both individual and team collaboration. It includes a preconfigured proxy server to enhance privacy and security during API testing. Users benefit from an intuitive interface, powerful environment variable management, customizable HTTP methods, and code snippet generation in over 15 programming languages. A portable version is also available, requiring no installation or admin rights.
    Starting Price: $199
  • 6
    HTTPie

    HTTPie

    HTTPie

    HTTPie is making APIs simple and intuitive for those building the tools of our time. AI assistant, HTTP methods in tabs, library context menu, cURL input mode, and more. All the user-friendliness of our terminal version is now wrapped up in a sleek graphical interface. The original. An open-source API testing client for open minds. Developers all around the world rely on HTTPie for API testing. Our users include the engineers behind some of the most important technology companies driving change today. We’re on a mission to make APIs simple and intuitive for all those building the tools, apps, and technologies of our time. We truly believe that APIs have the capacity to make our world a better place. Interact painlessly with APIs. Leverage the power of AI-assisted work. Organize your work in spaces, collections, and tabs. Parametrize requests with variables and environments. Work across devices with auto-save and realtime sync. Build and preview requests without sending them.
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