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to11 works with the LLM SDKs you already use. Point the SDK’s base URL at the gateway and your requests are routed, secured, and traced — without changing your application logic.

Supported SDKs

OpenAI SDK

Point the OpenAI SDK at the gateway.

Anthropic SDK

Point the Anthropic SDK at the gateway.

Vercel AI SDK

Use the gateway as a provider in the Vercel AI SDK.

Choosing an integration

All three SDKs reach the same gateway. The gateway forwards each request to the provider as written and does not translate between wire formats, so use the SDK whose format the provider speaks: the Anthropic SDK for Anthropic, and the OpenAI SDK for OpenAI and the OpenAI-compatible providers. The Vercel AI SDK covers both through its @ai-sdk/anthropic and @ai-sdk/openai packages. A request in a format the provider does not speak is rejected with 400 Bad Request. See Which SDK to call a provider with.

Next steps

Instrument

How activity is captured once you’re connected.

Deploy

Configure routing, providers, and environments.