HARP

Open-source toolkit for fast, reliable, observable APIs

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HARP is a free, open-source API proxy toolkit designed to improve the speed, reliability, and observability of existing APIs. It's for teams that want a ready-made proxy layer for better API reliability and visibility instead of building one from scratch.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of HARP - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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