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OpenRouter

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OpenRouter ↗ 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);
}