curl https://api.thanxsandbox.com/partner/reward_templates?merchant_id={merchant_id} \
  -X GET \
  -H 'X-ClientId: {client_id}' \
  -H 'Accept-Version: v4.0' \
  -H 'Content-Type: application/json' \
  -H 'Authorization: Bearer {access_token}'

{
  "reward_templates": [
    {
      "id": "abc123def456",
      "name": "Free Coffee",
      "type": "discount",
      "subtype": "free_item",
      "description": "One free coffee, any size",
      "fine_print": "Valid at participating locations",
      "discount": {
        "type": "free_item",
        "value": null
      },
      "redemption_venue": "in_store",
      "images": {
        "default": "https://images.thanx.com/reward_template.png"
      }
    }
  ],
  "pagination": {
    "current_page": 1,
    "per_page": 10,
    "total_pages": 1
  }
}