Documentation
One key, one bill, every major LLM provider. Everything you need to integrate nRouter into your application — auth, credits, observability, and guardrails.
nRouter is a managed LLM gateway that gives your team one API key to access 240+ models across six provider clouds — Alibaba US, OpenAI, AWS Bedrock, Azure Foundry, Google Vertex AI, and Anthropic — with budget enforcement, guardrails, and smart routing in the request path. One key, one bill, total control — for every team and every autonomous agent. More providers land on a rolling basis. New here? Start with Why nRouter for the enterprise pitch, then follow the Quick Start to make your first API call.
Request flow
What happens inside nRouter when your app calls a model.
Your application
OpenAI SDK · sk-nemo-…
Nemo Rust Gateway
direct customer inference
- Virtual-key auth · tenancy
- Route · IP · lifecycle policy
- Budgets · rate limits
- Pre-call guardrails
- Reserve credits
- Provider routing
Providers
- OpenAI
- Anthropic
- Vertex
- Bedrock
- Azure
response ↩ read cost · settle credits · log · stream back
Onboarding
From sign-up to your first API call in six steps.
Sign up
Supabase Auth
Verify email
magic-link or pwd
Choose plan
Tier 1 · 2 · 3
Set up team
Default auto-created
Create key
sk-nemo-… (once)
First call
x-nemo-* headers
One org per user · Default team auto-created · key shown once
Architecture
The services in the request path and where data lives.
Your application
Nemo Rust Gateway · :4000 local
Policy · tenancy · money
- Virtual-key auth · Guardrails
- Credits · Budgets · Rate limits
- Tenant derived from key row
Provider routing
- Provider transforms · Fallbacks
- Cost settle · Spend logging
- Canonical Postgres nemo schema
Providers
OpenAI · Anthropic · Google Vertex AI · AWS Bedrock · Azure Foundry · …
What happens inside nRouter when your app calls a model.
Start here
- Why nRouter — the enterprise pitch: multi-tenancy, RLS, credits, observability, guardrails, fallbacks
- Introduction — what nRouter is and how it fits into your stack
- Quick Start — your first API call in under 5 minutes
- Authentication — how virtual keys work and how to manage them
Explore
- Playground — test any model interactively from your browser
- Guides — practical walkthroughs for common tasks
- API Reference — every endpoint, request, and response
- SDKs — official client libraries in Python, Node.js, and more
Cross-surface
Need to leave the docs and look around the product? The footer below has every surface — or open one inline: