Mercado Pago Subscription (Preapproval)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/mercado-pago/refs/heads/main/json-schema/mercado-pago-subscription-schema.json",
  "title": "Mercado Pago Subscription (Preapproval)",
  "type": "object",
  "required": ["payer_email", "auto_recurring"],
  "properties": {
    "id": { "type": "string" },
    "payer_id": { "type": "integer" },
    "payer_email": { "type": "string", "format": "email" },
    "back_url": { "type": "string", "format": "uri" },
    "reason": { "type": "string" },
    "external_reference": { "type": "string" },
    "status": { "type": "string", "enum": ["pending", "authorized", "paused", "cancelled", "finished"] },
    "date_created": { "type": "string", "format": "date-time" },
    "last_modified": { "type": "string", "format": "date-time" },
    "next_payment_date": { "type": "string", "format": "date-time" },
    "auto_recurring": {
      "type": "object",
      "required": ["frequency", "frequency_type", "transaction_amount", "currency_id"],
      "properties": {
        "frequency": { "type": "integer", "minimum": 1 },
        "frequency_type": { "type": "string", "enum": ["days", "months"] },
        "start_date": { "type": "string", "format": "date-time" },
        "end_date": { "type": "string", "format": "date-time" },
        "transaction_amount": { "type": "number", "minimum": 0 },
        "currency_id": { "type": "string" },
        "free_trial": {
          "type": "object",
          "properties": {
            "frequency": { "type": "integer" },
            "frequency_type": { "type": "string" }
          }
        }
      }
    }
  }
}