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How I Built 10 FastAPI Micro-APIs for AI Agents, RAG & B2B SaaS ($0 Infra & Free Tiers)

This story is from 2026-10-29. It is preserved in the archive; the latest stories are on the live feed.

Building modern AI agents, RAG pipelines, and B2B SaaS products often means paying $49–$199/mo for bloated enterprise subscriptions just to solve one specific microservice problem — like stripping HTML noise before embedding, blocking prompt injections, catching disposable/alias trial abuse, or gen…

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  1. 2026-10-29 19:04 · DEV Community — AI
    How I Built 10 FastAPI Micro-APIs for AI Agents, RAG & B2B SaaS ($0 Infra & Free Tiers)

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