{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/fintecture/main/json-schema/fintecture-payment-schema.json",
  "title": "Fintecture Payment",
  "description": "A Fintecture PIS payment session covering Immediate Transfer, Smart Transfer, and Buy Now Pay Later.",
  "type": "object",
  "required": ["id", "type", "attributes", "status"],
  "properties": {
    "id": { "type": "string" },
    "type": { "type": "string", "enum": ["PIS"] },
    "attributes": {
      "type": "object",
      "required": ["amount", "currency", "communication"],
      "properties": {
        "amount": { "type": "string", "pattern": "^[0-9]+(\\.[0-9]{1,2})?$" },
        "currency": { "type": "string", "enum": ["EUR", "GBP", "PLN"] },
        "customer_id": { "type": "string" },
        "end_to_end_id": { "type": "string", "maxLength": 35 },
        "communication": { "type": "string", "maxLength": 140 },
        "payment_method": {
          "type": "string",
          "enum": ["immediate_transfer", "smart_transfer", "bnpl"]
        },
        "rail": {
          "type": "string",
          "enum": ["SEPA", "iSCT", "FPS", "PLN", "INT"]
        },
        "beneficiary": {
          "type": "object",
          "properties": {
            "name": { "type": "string" },
            "iban": { "type": "string" },
            "bic": { "type": "string" }
          }
        }
      }
    },
    "status": {
      "type": "string",
      "enum": [
        "payment_created",
        "payment_pending",
        "payment_initiated",
        "payment_completed",
        "payment_rejected",
        "payment_cancelled",
        "payment_failed"
      ]
    },
    "created_at": { "type": "string", "format": "date-time" },
    "updated_at": { "type": "string", "format": "date-time" }
  }
}