curl -N https://api.totalis.trade/v1/cashout-requests/c3d4e5f6-7890-abcd-ef12-34567890abcd/stream \
  -H "X-API-Key: $TOTALIS_API_KEY" \
  -H "Accept: text/event-stream"

// Native EventSource can't send an X-API-Key header — read the SSE stream
// with fetch instead (works in browsers and Node 18+).
async function streamCashout(id, apiKey) {
  const res = await fetch(
    `https://api.totalis.trade/v1/cashout-requests/${id}/stream`,
    { headers: { 'X-API-Key': apiKey, Accept: 'text/event-stream' } }
  );

  const reader = res.body.getReader();
  const decoder = new TextDecoder();
  let buffer = '';

  while (true) {
    const { done, value } = await reader.read();
    if (done) return;
    buffer += decoder.decode(value, { stream: true });

    let sep;
    while ((sep = buffer.indexOf('\n\n')) !== -1) {
      const frame = buffer.slice(0, sep);
      buffer = buffer.slice(sep + 2);
      const event = frame.match(/^event: (.+)$/m)?.[1];
      const data = frame.match(/^data: (.+)$/m)?.[1];
      if (!event || !data) continue;
      const payload = JSON.parse(data);

      if (event === 'best_quote') {
        console.log('Buyback quote:', payload.best_quote);
      } else if (event === 'status') {
        console.log('Terminal:', payload.status);
        return; // the stream closes after the terminal status
      }
    }
  }
}

event: best_quote
data: {"book_seq":3,"version":1,"best_quote":{"id":"q1w2e3r4-5678-90ab-cdef-1234567890ab","market_maker_id":"mm-uuid-1234","price_micro":66250000,"valid_until":"2026-06-01T18:46:05.000Z"}}

event: status
data: {"status":"committed"}