Show HN: API Aqueduct – A solution to spiky agent traffic

Category: infrastructure

Tags: api-rate-limiting, request-queue, go

Score: 7.0/10 (Innovation: 6, Technical: 7, Documentation: 8, Utility: 7)

Aquifer is a self-hosted API request queue that absorbs traffic bursts and controls request rates for both inbound and outbound API calls, using SQLite for durable storage and live rate adjustment via response headers. It's interesting because it offers a lightweight, sidecar-deployable solution to prevent cascading failures and respect rate limits without external dependencies.

Target audience: backend devs, devops

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

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