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Documentation Index

Fetch the complete documentation index at: https://docs.daimo.com/llms.txt

Use this file to discover all available pages before exploring further.

Daimo can bridge funds from any chain to a Hyperliquid (Hypercore) account in one session. It uses a final-call adapter on HyperEVM that forwards USDC into Hypercore via Hyperliquid’s CoreDepositWallet.

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Quick start

import { hyperEvmUSDC } from "@daimo/sdk/common";
import { encodeFunctionData } from "viem";

const HYPERCORE_DEPOSIT_ADAPTER = "0x3Df610B9168472EfC3CD37ed5005c0e78946c308";

const calldata = encodeFunctionData({
  abi: [
    {
      name: "deposit",
      type: "function",
      inputs: [
        { name: "recipient", type: "address" },
        { name: "destinationDex", type: "uint32" },
      ],
      outputs: [],
      stateMutability: "nonpayable",
    },
  ],
  functionName: "deposit",
  args: [
    "0xRecipientAddress", // Hypercore recipient
    0,                    // 0 = perps, 0xFFFFFFFF = spot
  ],
});

const res = await fetch("https://api.daimo.com/v1/sessions", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
    Authorization: "Bearer YOUR_API_KEY",
  },
  body: JSON.stringify({
    destination: {
      type: "evm",
      address: HYPERCORE_DEPOSIT_ADAPTER,
      chainId: hyperEvmUSDC.chainId,
      tokenAddress: hyperEvmUSDC.token,
      amountUnits: "10",
      calldata,
    },
    display: { title: "Deposit to Hyperliquid", verb: "Deposit" }
  }),
});

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Destination DEX

The destinationDex parameter controls where funds land on Hypercore.
DEXValueUse case
Perps0Perpetual futures trading margin
Spot4294967295 (0xFFFFFFFF)Spot trading balances

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New account fee

Hyperliquid deducts $1 from the first deposit to a new account, so a $10 deposit lands as ~$9 on Hypercore. Factor this into your amountUnits if needed.

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Refund address

Always set refundAddress when using calldata. If the adapter call reverts, funds go to the refund address and the session status becomes bounced.