/v1/assistants/ 404 Error

API
,
1

Im getting 404 error while trying to connect to hps://api.openai.com/v1/assistants/asst_m************DG/messages.

error at Chrome Console:
POST h**ps://api.openai.com/v1/assistants/asst_m**************DG/messages 404 (Not Found)

Code of my app:

        const response = await fetch("hps://api.openai.com/v1/assistants/asst_m**************DG/messages", {
            method: "POST",
            headers: {
                "Content-Type": "application/json",
                Authorization: "Bearer sk-W*********************f",
            },
            body: JSON.stringify({
                name: "test2",
                insturctions: "you are super happy about anything",
                model: "gpt-4-1106-preview",
                messages: [
                    { role: "system", content: "You are a helpful assistant." },
                    { role: "user", content: question },
                ],
            }),
        });

error at POSTMAN:

{
    "error": {
        "message": "Invalid URL (POST /v1/assistants/asst_m**************DG/messages)",
        "type": "invalid_request_error",
        "param": null,
        "code": null
    }
}