An example of using Zapier webhooks to handle file uploads from HTML forms

zapier-webhook-form.html

<form action="https://hooks.zapier.com/hooks/catch/1234567/abcd123/" method="post" enctype="multipart/form-data">
    <label for="name">Name:</label>
    <input type="text" name="name" id="name">
    <label for="email">Email:</label>
    <input type="email" name="email" id="email">
    <label for="attachment">Attachment:</label>
    <input type="file" name="attachment" id="attachment">
    <input type="submit" name="submit" value="Submit">
</form>