curl --request PATCH \
  --url https://api.sandbox.z2pay.com/v1/plans/{id}/items/{itemId} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "name": "<string>",
  "quantityDefault": 1,
  "displayOrder": 1,
  "description": "<string>",
  "metadata": {}
}
'

const options = {
  method: 'PATCH',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    quantityDefault: 1,
    displayOrder: 1,
    description: '<string>',
    metadata: {}
  })
};

fetch('https://api.sandbox.z2pay.com/v1/plans/{id}/items/{itemId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.sandbox.z2pay.com/v1/plans/{id}/items/{itemId}"

payload = {
    "name": "<string>",
    "quantityDefault": 1,
    "displayOrder": 1,
    "description": "<string>",
    "metadata": {}
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

{
  "id": "pli_lggs2vulsryis0t35qbqfpjyg",
  "planId": "plan_lhutpqeq2ml3stia4vn90xars",
  "key": "welcome-kit",
  "name": "Welcome Kit (Premium)",
  "kind": "recurring",
  "quantityDefault": 1,
  "displayOrder": 1,
  "description": "One-time premium onboarding kit",
  "metadata": {},
  "createdAt": "2025-06-29T14:30:00.000Z",
  "updatedAt": "2025-06-29T14:45:00.000Z"
}

{
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Validation failed",
    "issues": [
      {
        "path": "status",
        "message": "Status inválido. Valores aceitos: pending, waiting_payment, paid, refused, canceled, refunded"
      },
      {
        "path": "startDate",
        "message": "Data deve ser ISO 8601 com timezone (ex.: 2026-06-24T00:00:00Z)"
      }
    ]
  }
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Invalid API key"
  }
}

{
  "error": {
    "code": "NOT_FOUND",
    "message": "Item not found"
  }
}

{
  "error": "A request with this idempotency key is already being processed"
}

{
  "error": "Idempotency key already used with a different request body"
}