{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Validate Transfer Request",
  "description": "Transfer to validate before executing it. The body is a strict whitelist - fields not listed here are rejected with 400.",
  "type": "object",
  "properties": {
    "headers": {
      "type": "object",
      "properties": {
        "Deriv-App-ID": {
          "type": "string",
          "description": "Application identifier"
        },
        "Authorization": {
          "type": "string",
          "description": "Bearer token for authentication",
          "example": "Bearer YOUR_AUTH_TOKEN"
        },
        "Content-Type": {
          "type": "string",
          "enum": ["application/json"],
          "description": "Content type"
        }
      },
      "required": ["Deriv-App-ID", "Authorization", "Content-Type"]
    },
    "body": {
      "type": "object",
      "additionalProperties": false,
      "properties": {
        "source_type": {
          "type": "string",
          "enum": ["main", "p2p", "platform", "payment_agent"],
          "description": "Type of the source account."
        },
        "destination_type": {
          "type": "string",
          "enum": ["main", "p2p", "platform", "payment_agent"],
          "description": "Type of the destination account."
        },
        "source_id": {
          "type": "string",
          "description": "Identifier of the source account: the wallet UUID, or the platform account ID such as MTR5312343 when source_type is platform.",
          "example": "942a2f2d-1f33-4559-994e-42b403033bc6"
        },
        "destination_id": {
          "type": "string",
          "description": "Identifier of the destination account: the wallet UUID, or the platform account ID such as MTR5312343 when destination_type is platform.",
          "example": "ef4b3abd-c05e-42ea-a3f2-021ec69e1580"
        },
        "amount": {
          "type": "string",
          "pattern": "^\\d+(\\.\\d+)?$",
          "description": "Transfer amount as a decimal string, zero or greater.",
          "example": "100.00"
        },
        "balance": {
          "type": "string",
          "pattern": "^\\d+(\\.\\d+)?$",
          "description": "Current spendable balance of the source account, in source_currency. Same format as amount. Used to check the account holds enough funds.",
          "example": "250.00"
        },
        "source_currency": {
          "type": "string",
          "pattern": "^[A-Z0-9_]{1,18}$",
          "description": "Currency code of the source account.",
          "example": "USD"
        },
        "destination_currency": {
          "type": "string",
          "pattern": "^[A-Z0-9_]{1,18}$",
          "description": "Currency code of the destination account.",
          "example": "BTC"
        },
        "rate": {
          "type": "string",
          "pattern": "^\\d+(\\.\\d+)?$",
          "description": "Exchange rate as a positive decimal string. Required when source_currency and destination_currency differ; omit otherwise.",
          "example": "0.92"
        },
        "source_platform_name": {
          "type": "string",
          "enum": ["mt5", "ctrader", "options", "crypto-exchange", "tradingview"],
          "description": "Platform name. Send when source_type is platform."
        },
        "destination_platform_name": {
          "type": "string",
          "enum": ["mt5", "ctrader", "options", "crypto-exchange", "tradingview"],
          "description": "Platform name. Send when destination_type is platform."
        }
      },
      "required": [
        "source_type",
        "destination_type",
        "source_id",
        "destination_id",
        "amount",
        "balance",
        "source_currency",
        "destination_currency"
      ]
    }
  },
  "required": ["headers", "body"]
}