YOUR AI STACK, SIMPLIFIED

One connection.
Every possibility.

Access your AI models through one API. Route intelligently, pay for what you use, and build without the busywork.

Start building Explore the docs
Prepaid credits · OpenAI SDK compatible · No subscription
THE UNIFIED MODEL LAYER/v1
Your applicationOne endpoint. One API key.
relay smart routerCapability → tier → availability
◎OpenAI
✳Anthropic
✦Gemini
≈DeepSeek
Budget reserved before every request
BUILT FOR YOUR NEXT BIG IDEA Four provider integrations Streaming responses Organization isolation
LESS PLUMBING. MORE BUILDING.

Your models. One clear control plane.

The right model, on your terms.

Choose a specific model or use cheap, balanced and premium routing policies.

Every token accounted for.

Transparent model pricing, prepaid credits and a durable usage ledger.

Fits the tools you already use.

Use the OpenAI SDK with a new base URL and a single Relay API key.