OpenAI-compatible
Keep the SDK and request shape you already know. Change the API key and base URL to get started.
OpenAI-compatible AI gateway
One API.
200+ AI models.
Build with GPT, Claude, Gemini, and models from leading providers without maintaining a separate integration for each one.
OpenAIAnthropicGoogleMetaand more
import OpenAI from "openai";
const client = new OpenAI({
apiKey: process.env.ROUTERBASE_API_KEY,
baseURL: "https://routerbase.com/v1",
});
const response = await client.chat.completions.create({
model: process.env.ROUTERBASE_MODEL,
messages: [{ role: "user", content: "Hello" }],
});One integration
Build once. Choose the right model for every job.
Unified model access
Use one catalog and one endpoint across supported providers, model families, and modalities.
Resilient routing
Build more dependable applications with smart routing and automatic fallback available behind the gateway.
Developer resources
Everything you need to make the first request—and the next hundred.
Quickstart
Make your first request with Node.js, Python, or cURL.
Examples
Practical starters for popular languages and runtimes.
API Collections
OpenAPI, Postman, Bruno, and Insomnia resources.
Cookbook
Focused tutorials and reusable integration patterns.
Awesome RouterBase
Packages, SDKs, tools, and guides in one directory.
Ready when you are
Ship your first RouterBase request.
Pick a model from the live catalog, add your API key, and keep using the OpenAI-compatible tools you already know.