Turbocharge Your External APIs
Fast. Secure. Reliable. Observable.

Supercharge your web or server application with HARP, a lightweight turnkey microservice that enhances your external API usage.
With HARP, you can enjoy better performance, enhanced reliability, and built-in observability without the need for extensive code modifications.

By default, HARP offers the following benefits:

Better Performances: HARP leverages a standard cache implementation, eliminating the need for you to manually add caching logic to your code. This results in improved response times and overall application performance.

Enhanced Reliability: HARP incorporates advanced algorithms such as stale while revalidate and circuit breakers. These mechanisms prevent incident snowballing effects, ensuring that your application remains reliable even when external APIs experience issues.

Builtin Observability: HARP provides effortless observability of your API usage. Detect error spikes, slowdowns, and unusual behaviors with ease, allowing you to proactively address any issues and optimize your application's performance.

Experience the power of HARP today. Join our early access program and unlock the potential of your external API integrations.

I want early access!

External HTTP APIs
Fast. Standard. Reliable.
Choose three.

Tired of spending valuable time designing and coding API-related technical features?
Look no further. We've done the hard work for you, so you can focus on what really matters: your business.

Our proxy speaks the language you already know and use: HTTP (or HTTPS). With just a few simple steps, you can spin up the service and seamlessly integrate your API endpoints. It's that easy.

Whether you're in the development phase or ready for production, our proxy has got you covered. Say goodbye to technical complexities and let your development team concentrate on what they do best - driving your business forward.

Choose HARP for your external HTTP APIs and experience the benefits of speed, standardization, and reliability. It's time to simplify your API integration process and unlock your team's true potential.

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Reliability — Observability — Speed

Delivering a flawless user experience requires technical excellence, and external services often pose a common single point of failure (SPOF) risk. Instead of spending valuable time coding yet another cache system, circuit breaker, or audit system, HARP offers a simple solution. Just start the HARP proxy as a sidecar to your application, and you're good to go!

With HARP as your sidecar, you can ensure the reliability of your external service integrations, gain valuable insights through observability, and enjoy optimized performance. It's time to streamline your development process and eliminate the hassle of managing these technical intricacies.

Choose HARP as your trusted companion and unlock the full potential of your service without compromising on reliability, observability, or performance.

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Three flavours. One software.

Community Edition

$ 0

/ month
  • Fully featured API Proxy
  • Production ready
  • Available on your favorite platform
  • Free & Open-Source forever
  • Community support

Professional Edition

$ 19

/ month
  • Evevrything from Community
  • Developper modules
  • Production modules
  • Email support

Enterprise Edition


  • Everything in Professional
  • Enterprise modules
  • Private training for your team
  • Email & phone support

Stop wasting money reinventing the wheel 

Are you tired of reinventing the wheel and wasting valuable resources on building and maintaining complex infrastructure components?
Look no further. With HARP, you can put an end to this costly cycle.

HARP provides a comprehensive set of features and functionalities that eliminate the need for you to start from scratch.
Why spend time and money developing your own cache system, circuit breaker, or audit system when HARP has already done the heavy lifting for you?