@Matt ! Thanks for 1 and 3. For 2: we finally got a reply from our Cloudflare TAM and yes, they st

export interface Env {
    MY_QUEUE: Queue;
}

export default {
    async fetch(req: Request, env: Env, ctx: ExecutionContext): Promise<Response> {

        // if req.method is not POST , reject
        if (req.method !== 'POST') {
            return new Response('Sorry', { status: 405 });
        }
        const body = await req.json();
        console.log(`got body: ${JSON.stringify(body)}`)
        const result = await env.MY_QUEUE.send({
            body: body,
            contentType: "json",
        });
        console.log(`sent message to queue: ${JSON.stringify(result)}`);
        return new Response(JSON.stringify({
            return_code: "1",
            return_message: "ok"
        }), {
            headers: { 'Content-Type': 'application/json' },
        });
    },
};

export interface Env {
    MY_QUEUE: Queue;
}

export default {
    async fetch(req: Request, env: Env, ctx: ExecutionContext): Promise<Response> {

        // if req.method is not POST , reject
        if (req.method !== 'POST') {
            return new Response('Sorry', { status: 405 });
        }
        const body = await req.json();
        console.log(`got body: ${JSON.stringify(body)}`)
        const result = await env.MY_QUEUE.send({
            body: body,
            contentType: "json",
        });
        console.log(`sent message to queue: ${JSON.stringify(result)}`);
        return new Response(JSON.stringify({
            return_code: "1",
            return_message: "ok"
        }), {
            headers: { 'Content-Type': 'application/json' },
        });
    },
};

"logs": [
    {
      "message": [
        "got body: {\"data\":\"dat hart fd3 3\"}"
      ],
      "level": "log",
      "timestamp": 1696396087813
    },
    {
      "message": [
        "sent message to queue: undefined"
      ],
      "level": "log",
      "timestamp": 1696396087867
    }
  ]

"logs": [
    {
      "message": [
        "got body: {\"data\":\"dat hart fd3 3\"}"
      ],
      "level": "log",
      "timestamp": 1696396087813
    },
    {
      "message": [
        "sent message to queue: undefined"
      ],
      "level": "log",
      "timestamp": 1696396087867
    }
  ]