DeepSeek

Last updated Sep 22, 2026 helps you build quickly with DeepSeek's advanced AI models.

Endpoint

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

Prerequisites

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

  • Your AI Gateway Account ID.
  • Your AI Gateway gateway name.
  • An active DeepSeek AI API token.
  • The name of the DeepSeek AI model you want to use.

URL structure

Your new base URL will use the data above in this structure:

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

You can then append the endpoint you want to hit, for example: chat/completions.

So your final URL will come together as:

https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/deepseek/chat/completions.

Examples

cURL with a provider key

Example fetch requestbash

curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/deepseek/chat/completions \
 --header 'content-type: application/json' \
 --header 'Authorization: Bearer DEEPSEEK_TOKEN' \
 --data '{
    "model": "deepseek-chat",
    "messages": [
        {
            "role": "user",
            "content": "What is Cloudflare?"
        }
    ]
}'

cURL with stored keys (BYOK)

Store your DeepSeek key with bring your own keys (BYOK). Then omit the Authorization header so AI Gateway can substitute the stored key:

Example BYOK requestbash

curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/deepseek/chat/completions \
 --header 'content-type: application/json' \
 --header 'cf-aig-authorization: Bearer {CF_AIG_TOKEN}' \
 --data '{
    "model": "deepseek-chat",
    "messages": [
        {
            "role": "user",
            "content": "What is Cloudflare?"
        }
    ]
}'

Use DeepSeek with JavaScript

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

JavaScriptjs

import OpenAI from "openai";

const openai = new OpenAI({
    apiKey: env.DEEPSEEK_TOKEN,
    baseURL:
        "https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/deepseek",
});

try {
    const chatCompletion = await openai.chat.completions.create({
        model: "deepseek-chat",
        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);
}

OpenAI-Compatible Endpoint

You can also access DeepSeek models using the OpenAI API schema through the REST API. Send your requests to:

https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/v1/chat/completions

Specify:

{
"model": "deepseek/{model}"
}

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