Open-Source API Proxy
Speed, reliability and observability.
Less code.
Learn more section, describing the what, how and why HARP Proxy

HTTP API Runtime Proxy
Early Access Preview

HARP Proxy is an open-source HTTP proxy for your remote APIs, running alongside your applications.

It improves the performances, reliability and observability of your or internal and external services by instrumenting external HTTP calls.

You focus on delivering your business value, HARP Proxy takes care of technical correctness.

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    HARP Proxy dashboard overview: api observability at a glance.

    Comes bundled with the usual API consumer needs

    Batteries included!

    • API Proxy

      Your external API requests and responses goes through the proxy, with eventual round robin pooling, retry policy, fallback endpoints, timeouts ...

    • HTTP Cache

      Requests are cached when allowed by RFC9111, with the ability to override policies using pattern-based rules.

    • Dashboard

      The administration dashboard provides all informations you need about your system’s present and past transactions performances.

    • Audit Trail

      All transactions are recorded for future inspection using the dashboard, including the full headers and body of each request and response.

    • Circuit Breaker

      Systems are protected from cascading failures by plugging and unplugging remote services based on various health check algorithms.

    • Flexible Storage

      From zero-configuration builtin SQLite storage for development to robust production PostgreSQL or MySQL with separated Redis content addressable stores.

    You can read the features guide to have an exhaustive glance at HARP Proxy's features.

    Communications you actually understand

    Clean API exchanges

    Although we love italian food, we prefer spaghetti not to run on our servers. HARP helps you simplify your service and flux cartography.

    Simple.
    A clear service cartography that anyone can understand.
    Observable .
    One route to rule them all, no headaches looking for the right logs.
    Manageable.
    Adding or removing API-related logic is bound to the target, not each consumer.
    Smart.
    Common features like caching, rate limiting, logging, transformation are implemented once, and most likely builtin. Don't repeat yourself.
    Without HARPWith HARP
    Product screenshot

    Quick Overview

    The builtin dashboard provides a quick overview of your system's health regarding API usage.

    Builtin dashboard, providing agregated metrics about your service's API usage and performances.

    Audit Trail

    The transactions audit trail provides a detailed view of all API calls made by your application. Never get surpised, your team will always know what went wrong.

    A detail autit trail of all api transactions, with headers and bodies.

    Give your team the tools they deserve.
    Start using HARP today.

    HARP Core is free and open-source. HARP Professional and Enterprise editions are currently only available as early access previews. Contact us for more information.