curl --request POST \
  --url https://sandbox.multipaga.com/payments/{payment_id}/update_metadata \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '
{
  "metadata": {},
  "feature_metadata": {
    "redirect_response": {
      "param": "<string>",
      "json_payload": {}
    },
    "search_tags": [
      "<string>"
    ],
    "pix_additional_details": {
      "immediate": {
        "time": 1,
        "pix_key": {
          "value": "<string>"
        }
      }
    },
    "boleto_additional_details": {
      "due_date": "2026-12-31",
      "covenant_code": "3568253",
      "pix_key": {
        "value": "<string>"
      }
    }
  }
}
'

{
  "payment_id": "<string>",
  "status": "requires_confirmation",
  "metadata": {},
  "feature_metadata": {
    "redirect_response": {
      "param": "<string>",
      "json_payload": {}
    },
    "search_tags": [
      "<string>"
    ],
    "apple_pay_recurring_details": {
      "payment_description": "<string>",
      "regular_billing": {
        "label": "<string>",
        "recurring_payment_start_date": "2023-09-10T23:59:59Z",
        "recurring_payment_end_date": "2023-09-10T23:59:59Z",
        "recurring_payment_interval_count": 123
      },
      "management_url": "https://multipaga.com",
      "billing_agreement": "<string>"
    },
    "pix_additional_details": {
      "immediate": {
        "time": 1,
        "pix_key": {
          "value": "<string>"
        }
      }
    },
    "boleto_additional_details": {
      "due_date": "2026-12-31",
      "covenant_code": "3568253",
      "pix_key": {
        "value": "<string>"
      }
    }
  }
}