Payment request

<script lang="ts">
  let sent = $state(false);

  async function onSubmit(e: SubmitEvent) {
    e.preventDefault();
    const form = e.target as HTMLFormElement;
    const res = await fetch("https://formward.eu/f/your-form-id", {
      method: "POST",
      headers: { Accept: "application/json" },
      body: new FormData(form),
    });
    if (res.ok) {
      sent = true;
      form.reset();
    }
  }
</script>

{#if sent}
  <p>Thanks! Your message has been sent.</p>
{:else}
  <form onsubmit={onSubmit}>
    <label for="name">Name</label>
    <input type="text" name="name" id="name" required />
    <label for="email">Email</label>
    <input type="email" name="email" id="email" required />
    <label for="invoice_number">Invoice number</label>
    <input type="text" name="invoice_number" id="invoice_number" />
    <label for="amount">Amount due</label>
    <input type="number" name="amount" id="amount" required />
    <label for="due_date">Due date</label>
    <input type="date" name="due_date" id="due_date" />
    <label for="notes">Notes</label>
    <textarea name="notes" id="notes"></textarea>
    <input type="text" name="_gotcha" tabindex="-1" autocomplete="off" style="position:absolute;left:-9999px" aria-hidden="true" />
    <button type="submit">Send</button>
  </form>
{/if}