OpenRouter

Last updated Apr 20, 2026 is a platform that provides a unified interface for accessing and using large language models (LLMs).

Endpoint

https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openrouter

URL structure

When making requests to OpenRouter ↗︎, replace https://openrouter.ai/api/v1/chat/completions in the URL you are currently using with https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openrouter/chat/completions.

Prerequisites

When making requests to OpenRouter, ensure you have the following:

  • Your AI Gateway Account ID.
  • Your AI Gateway gateway name.
  • An active OpenRouter API token or a token from the original model provider.
  • The name of the OpenRouter model you want to use.

Examples

cURL

Requestbash

curl -X POST https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/openrouter/v1/chat/completions \
 --header 'content-type: application/json' \
 --header 'Authorization: Bearer OPENROUTER_TOKEN' \
 --data '{
    "model": "openai/gpt-5-mini",
    "messages": [
        {
            "role": "user",
            "content": "What is Cloudflare?"
        }
    ]
}'

Use OpenAI SDK with JavaScript

If you are using the OpenAI SDK with JavaScript, you can set your endpoint like this:

JavaScriptjs

import OpenAI from "openai";

const openai = new OpenAI({
    apiKey: env.OPENROUTER_TOKEN,
    baseURL:
        "https://gateway.ai.cloudflare.com/v1/ACCOUNT_TAG/GATEWAY/openrouter",
});

try {
    const chatCompletion = await openai.chat.completions.create({
        model: "openai/gpt-5-mini",
        messages: [{ role: "user", content: "What is Cloudflare?" }],
    });

    const response = chatCompletion.choices[0].message;

    return new Response(JSON.stringify(response));
} catch (e) {
    return new Response(e);
}

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OpenRouter - 图1Docs

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description: Route Parallel API requests through AI Gateway for observability and control. title: Parallel image: https://developers.cloudflare.com/ai-gateway/usage/providers/parallel/og.png?v=48cef49416c8a945

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