Harp — HTTP API Runtime Proxy#

HARP operates as a sidecar proxy that sits between your application and remote APIs, elevating their reliability, performance, and security. By doing so, it also provides observability and reduces the amount of userland code required for common non-business functionalities.

Whether you are in the development phase or ready for production, HARP serves as a versatile tool that caters to different purposes.

Basic proxy setup from the quickstart tl;dr

The core runtime of HARP primarily consists of two components: a proxy and a dashboard. The proxy is responsible for forwarding requests to various endpoints, while the dashboard allows you to observe the requests passing through the proxy.

HARP adopts a modular approach, where all features are implemented as independent and composable modules known as “applications.” These applications can be enabled, disabled, extended, or arranged in different configurations to suit your specific requirements. While HARP provides sensible defaults to get you up and running quickly, it also offers limitless flexibility, allowing you to customize the proxy according to your unique needs.

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