List all checkout forms

Example response

{
  "data": [
    {
      "object": "checkout_form",
      "id": "cf_123",
      "checkout_form_elements": [
        "ce_123",
        "ce_456"
      ],
      "created_at": 1712345678,
      "event_series_id": null
    }
  ],
  "links": {
    "next": "/v1/checkout_forms?starting_after=cf_123",
    "previous": "/v1/checkout_forms?ending_before=cf_234"
  }
}