Retrieve a product variant

{
  "id": "var_0a1b2c3d4e5f60718293",
  "productId": "prd_0a1b2c3d4e5f60718293",
  "name": "Acme Ltda",
  "slug": "string",
  "description": "string",
  "sku": "string",
  "primary": true,
  "enabled": true,
  "pricing": {
    "oldPrice": 5000,
    "unitPrice": 5000,
    "costPerItem": 0,
    "currency": "BRL",
    "schema": "unit",
    "type": "oneTime",
    "daysTrial": 0,
    "billingType": "string",
    "billingFrequency": "string",
    "billingFrequencyCount": 0,
    "billingExactDay": 0,
    "cycles": 0,
    "trialInterval": "string",
    "trialIntervalCount": 0,
    "tiersMode": "string",
    "usageType": "string",
    "usageAggregation": "string",
    "meterEventName": "string"
  },
  "images": [
    "string"
  ],
  "metadata": {},
  "attributes": {},
  "externalReference": "string",
  "checkoutUrl": "string",
  "createdAt": "string",
  "updatedAt": "string"
}

{
  "error": {
    "status": "Unauthorized",
    "statusCode": 401,
    "category": "authentication",
    "code": "unauthorized",
    "message": "Authentication is required to access this resource.",
    "resource": "server"
  }
}

{
  "error": {
    "status": "Forbidden",
    "statusCode": 403,
    "category": "authorization",
    "code": "forbidden",
    "message": "You do not have permission to perform this action.",
    "resource": "server"
  }
}

{
  "error": {
    "status": "Internal Server Error",
    "statusCode": 500,
    "category": "server",
    "code": "notFound",
    "message": "An unexpected error occurred.",
    "resource": "server"
  }
}

{
  "error": {
    "status": "Internal Server Error",
    "statusCode": 500,
    "category": "server",
    "code": "serverError",
    "message": "An unexpected error occurred. Please try again later.",
    "resource": "server",
    "details": "If the problem persists, contact support with the correlationId from the response headers."
  }
}