User Borrow/Lend Interest

{
  "channel": "userBorrowLendInterest",
  "data": {
    "user": "0x1111111111111111111111111111111111111111",
    "isSnapshot": false,
    "blockNumber": 123,
    "interest": [
      {
        "time": 1792108800000,
        "token": "USDC",
        "borrow": "0.01",
        "supply": "0",
        "ledger": {
          "id": "opaque-projection-row-id",
          "time": 1792108800000,
          "hash": "0xabc",
          "delta": {
            "type": "interest",
            "coin": "USDC",
            "usdc": "-0.01",
            "szi": "1000",
            "rate": "0.00001"
          }
        }
      }
    ]
  }
}

{
  "channel": "userBorrowLendInterest",
  "data": {
    "user": "0x1111111111111111111111111111111111111111",
    "isSnapshot": false,
    "blockNumber": 123,
    "interest": [
      {
        "time": 1792108800000,
        "token": "USDC",
        "borrow": "0.01",
        "supply": "0",
        "ledger": {
          "id": "opaque-projection-row-id",
          "time": 1792108800000,
          "hash": "0xabc",
          "delta": {
            "type": "interest",
            "coin": "USDC",
            "usdc": "-0.01",
            "szi": "1000",
            "rate": "0.00001"
          }
        }
      }
    ]
  }
}

{
  "channel": "userBorrowLendInterest",
  "data": {
    "user": "0x1111111111111111111111111111111111111111",
    "isSnapshot": false,
    "blockNumber": 123,
    "interest": [
      {
        "time": 1792108800000,
        "token": "USDC",
        "borrow": "0.01",
        "supply": "0",
        "ledger": {
          "id": "opaque-projection-row-id",
          "time": 1792108800000,
          "hash": "0xabc",
          "delta": {
            "type": "interest",
            "coin": "USDC",
            "usdc": "-0.01",
            "szi": "1000",
            "rate": "0.00001"
          }
        }
      }
    ]
  }
}

HyperliquidPolymarket

{
  "method": "subscribe",
  "subscription": {
    "type": "userBorrowLendInterest",
    "user": "0x1111111111111111111111111111111111111111"
  }
}

Response

{
  "channel": "userBorrowLendInterest",
  "data": {
    "user": "0x1111111111111111111111111111111111111111",
    "isSnapshot": false,
    "blockNumber": 123,
    "interest": [
      {
        "time": 1792108800000,
        "token": "USDC",
        "borrow": "0.01",
        "supply": "0",
        "ledger": {
          "id": "opaque-projection-row-id",
          "time": 1792108800000,
          "hash": "0xabc",
          "delta": {
            "type": "interest",
            "coin": "USDC",
            "usdc": "-0.01",
            "szi": "1000",
            "rate": "0.00001"
          }
        }
      }
    ]
  }
}

Response Fields

string

Always userBorrowLendInterest.

string

Account owner’s wallet address, normalized to lowercase.

boolean

true for the initial snapshot, including an empty one; false for live updates.

number

Latest committed Notional block covered by this message.

object

Interest charges and income. The initial snapshot contains the latest 100 matching rows, oldest first. Live batches contain at most 100 new or changed rows. USDC supplier rewards use User Non-Funding Ledger Updates. pUSD supplier yield is not currently itemized.

Show child attributes

number

Ledger time in Unix milliseconds. pUSD borrower interest uses the accrual interval end.

string

Asset symbol. pUSD borrower charges remain denominated in pUSD.

string

Positive decimal magnitude of a borrower charge, in token units; "0" for lender income.

string

Positive decimal lender income in token units; "0" for borrower charges.

object

Ledger row, preserving the signed amount, eligible balance or debt, rate basis, and any APR or accrual interval. Upsert by ledger.id; separate interest legs can share a token and timestamp.

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