How an LLM API Gateway in Node.js Can Tame Runaway AI Spending

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Without a centralized LLM API gateway, engineering teams often hardcode API keys and retry logic across multiple services, making cost tracking and provider switching difficult. A gateway acts as a single chokepoint for all model requests, enabling centralized routing, rate limiting, and spend visibility. Enterprise model API spending has surpassed $8.4 billion and continues to grow, largely without centralized oversight. Three leading gateway options — LiteLLM, Portkey, and Cloudflare AI Gateway — each suit different team needs, from self-hosted control to prebuilt guardrails and edge-network integration. Developers are advised to implement a gateway from the start of a project, as retrofitting one later becomes significantly more complex once services have their own calling conventions in place.

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AI Boosts Individual Developer Speed but Can Slow Down Entire Teams

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

From One VM to Per-Service LXC Containers: A Self-Hoster's Infrastructure Journey

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