curl --request POST \
  --url https://api.natural.co/transfers/deposit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "data": {
    "attributes": {
      "amount": 50000,
      "currency": "USD",
      "externalAccountId": "eac_550e8400e29b41d4a716446655440000",
      "description": "Wallet top-up"
    }
  }
}
'

{
  "data": {
    "type": "transfer",
    "id": "trf_550e8400e29b41d4a716446655440000",
    "attributes": {
      "type": "deposit",
      "amount": 50000,
      "currency": "USD",
      "status": "PROCESSING",
      "description": "Wallet top-up",
      "externalAccountDisplayMask": "6789",
      "expectedAvailableAt": null,
      "failure": null,
      "return": null,
      "submittedAt": "2026-01-04T15:30:00Z",
      "settledAt": null,
      "createdAt": "2026-01-04T15:30:00Z",
      "updatedAt": "2026-01-04T15:30:00Z"
    },
    "relationships": {
      "party": {
        "data": {
          "type": "party",
          "id": "pty_7c9e6679e29b41d4a716446655440001"
        }
      },
      "wallet": {
        "data": {
          "type": "wallet",
          "id": "wal_550e8400e29b41d4a716446655440000"
        }
      },
      "externalAccount": {
        "data": {
          "type": "externalAccount",
          "id": "eac_550e8400e29b41d4a716446655440000"
        }
      },
      "transaction": {
        "data": {
          "type": "transaction",
          "id": "txn_550e8400e29b41d4a716446655440000"
        }
      }
    }
  }
}