Production-ready FastAPI + Next.js + LangChain template for AI agent SaaS. Multi-tenant, Stripe billing, RAG pipeline, admin dashboard - ship in hours not weeks.https://agentboiler.com/en-UShttps://agentboiler.com/posts/fastapi-langchain-ai-agent-saas-template/https://agentboiler.com/posts/fastapi-langchain-ai-agent-saas-template/A production-tested template that wires FastAPI, LangChain, multi-tenant billing, RAG, and an admin dashboard so you can ship AI agent products in hours instead of weeks. Here's what it includes and how to deploy it.Wed, 13 May 2026 00:00:00 GMTtutorialfastapilangchainproductionAgentBoiler Teamhttps://agentboiler.com/posts/fastapi-vs-nextjs-for-ai-agents/https://agentboiler.com/posts/fastapi-vs-nextjs-for-ai-agents/Should the AI agent live in your Next.js API routes or in a separate FastAPI backend? Here's the decision matrix from 30+ production AI agent deployments - when Next.js is enough, when FastAPI is mandatory.Tue, 12 May 2026 00:00:00 GMTarchitecturefastapinextjsAgentBoiler Teamhttps://agentboiler.com/posts/multi-tenant-credits-system-ai-saas/https://agentboiler.com/posts/multi-tenant-credits-system-ai-saas/How to wire a usage-tracked credits system across Stripe subscriptions, per-organization quotas, and anomaly detection - without hand-rolling 4 weeks of billing infrastructure.Mon, 11 May 2026 00:00:00 GMTbillingstripearchitectureAgentBoiler Team