curl --request GET \
  --url https://management.stytch.com/pwa/v3/projects/:project_slug/email_templates \
  --header 'Authorization: Basic <encoded-value>'

{
  "request_id": "<string>",
  "email_templates": [
    {
      "template_id": "<string>",
      "name": "<string>",
      "sender_information": {
        "from_local_part": "<string>",
        "from_domain": "<string>",
        "from_name": "<string>",
        "reply_to_local_part": "<string>",
        "reply_to_name": "<string>"
      },
      "prebuilt_customization": {
        "button_border_radius": 123,
        "button_color": "<string>",
        "button_text_color": "<string>"
      },
      "custom_html_customization": {
        "html_content": "<string>",
        "plaintext_content": "<string>",
        "subject": "<string>"
      }
    }
  ],
  "status_code": 123
}