Show HN: Aquifer – a control plane for agentic API traffic

Category: infrastructure

Tags: api-gateway, rate-limiting, message-queue

Score: 7.3/10 (Innovation: 7, Technical: 7, Documentation: 8, Utility: 7)

Aquifer is a self-hosted API request queue that controls inbound and outbound traffic to prevent cascading failures from bursts or rate limits. It features durable SQLite storage, dynamic rate control via response headers, and a novel trustless webhook delivery protocol called L8. Its combination of agentic traffic management and cryptographic verification makes it interesting for modern distributed systems.

Target audience: backend devs, devops, platform engineers

Repository: https://github.com/rjpruitt16/aquifer · Go · MIT

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