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    3. Echolon

    Echolon

    Echolon is a modern, local-first API development platform and client that provides Git-native version control, offline support, and multi-protocol testing as an open-source alternative to Postman.

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    At a Glance

    1Tool Listed
    4Products
    23Tool Views
    10Capabilities
    Discussions
    2026Est.
    Focus Areas
    API Integration Platforms
    Development Environments
    Automated Testing
    Connect
    Latest News
    Echolon v1.0 Official Stable ReleaseJan 1, 2026
    Echolon Transitions to Open Source under MIT LicenseJan 1, 2026
    Markets
    • Software Developers
    • QA Engineers
    • DevOps Teams

    AI Tools by Echolon

    (1)
    View Echolon
    Echolon tool icon

    Echolon

    Open Source Local First API Client

    API IntegrationsDev EnvironmentsAutomated Testing

    Discussions

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    Latest News

    01/01/2026

    Echolon v1.0 Official Stable Release

    echolon.app
    01/01/2026

    Echolon Transitions to Open Source under MIT License

    github.com

    Products & Services

    4
    Echolon API Client
    Early 2026

    A powerful, local-first desktop application for macOS, Windows, and Linux.

    Echolon Web App
    Early 2026

    A browser-based version of the Echolon client.

    Echolon Git-based Collaboration
    Early 2026

    Built-in Git integration for sharing collections via repositories.

    One-Click API Publishing
    Early 2026

    Feature to publish interactive API documentation to the web.

    Market Position

    Open-source, local-first alternative to Postman.

    Founding Story

    Started as an open-source project to provide a local-first, Git-integrated alternative to cloud-heavy API clients like Postman.

    Business Model

    Revenue Model

    Open core model with subscriptions for Pro and Enterprise tiers.

    Pricing Tiers

    Personal (Free)
    $0

    For non-commercial use.

    Pro
    $9 per user/month

    Commercial use and advanced collaboration.

    Enterprise
    $19 per user/month

    Advanced security and dedicated support.

    Private

    Target Markets

    Industries & Segments
    • Software Developers
    • QA Engineers
    • DevOps Teams
    Use Cases
    • API Development
    • API Testing
    • API Documentation
    • Team Collaboration via Git

    Quick Facts

    Founded
    2026
    Entity Type
    Project/Startup

    History & Milestones

    January 1, 2026

    Initial release of Terms of Service and official launch preparations.

    January 23, 2026

    Clarified open-source licensing and commercial use terms.

    Early 2026

    Official stable release v1.0 with multi-protocol support and Git integration.

    2026

    Echolon became open-source (MIT License).

    Key Capabilities

    10
    API Requests (REST, GraphQL, WebSocket, gRPC)
    Git-native Version Control
    Local-first Architecture
    Mocking Servers
    Advanced Request Editor
    Dynamic Variable System

    Integrations & Partnerships

    Platform Integrations

    • Git
    • OpenAPI
    • Postman Collections
    • cURL

    Connect

    Website
    echolon.app
    GitHub
    echolon-app

    AI Topics

    3

    Echolon focuses on these topics:

    API Integration Platforms(1)
    Development Environments(1)
    Automated Testing(1)
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