Wix

$w.onReady(function () {
  $w('#submitButton').onClick(async () => {
    const payload = {
      name: $w('#nameInput').value,
      email: $w('#emailInput').value,
    };

    const response = await fetch('https://formbase.dev/s/YOUR_FORM_ID', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(payload),
      redirect: 'manual',
    });

    if (response.status === 303 || response.ok) {
      $w('#status').text = 'Submitted!';
    } else {
      $w('#status').text = 'Submission failed.';
    }
  });
});