Build Transaction

curl -X POST https://zap.dzap.io/v1/buildTx \
  -H "Content-Type: application/json" \
  -d '{ "srcToken": "...", "srcChainId": 8453, ... }'

const tx = await dzap.buildZapTxn({
  srcToken: '0x...',
  srcChainId: 8453,
  destToken: '0x...',
  destChainId: 8453,
  amount: '5000000',
  recipient: '0x...',
  refundee: '0x...',
  slippage: 0.5,
  account: '0x...',
});

// Sign + send via your wallet client

{
  "status": "success",
  "data": {
    "approvalData": [
      {
        "callTo": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "approveTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
        "amount": "1680715"
      }
    ],
    "dust": [],
    "output": [
      {
        "amount": "918943376897193",
        "amountUSD": "1.68",
        "minAmount": "918024433520296",
        "asset": { "symbol": "WETH", "chainId": 8453 }
      }
    ],
    "path": [
      {
        "action": "swap",
        "protocol": { "id": "dzap", "name": "Dzap Aggregator" },
        "input": [{ "amount": "1680715", "amountUSD": "1.68", "asset": { "symbol": "USDC", "chainId": 8453 } }],
        "output": [{ "amount": "918943376897193", "amountUSD": "1.68", "minAmount": "918024433520296", "asset": { "symbol": "WETH", "chainId": 8453 } }],
        "fee": [],
        "estimatedDuration": 10
      }
    ],
    "steps": [
      {
        "action": "swap",
        "data": {
          "type": "evm",
          "txnId": "0xabc...",
          "callTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
          "callData": "0x...",
          "value": "0",
          "estimatedGas": "350000"
        }
      }
    ]
  }
}

POST

buildTx

curl -X POST https://zap.dzap.io/v1/buildTx \
  -H "Content-Type: application/json" \
  -d '{ "srcToken": "...", "srcChainId": 8453, ... }'

const tx = await dzap.buildZapTxn({
  srcToken: '0x...',
  srcChainId: 8453,
  destToken: '0x...',
  destChainId: 8453,
  amount: '5000000',
  recipient: '0x...',
  refundee: '0x...',
  slippage: 0.5,
  account: '0x...',
});

// Sign + send via your wallet client

{
  "status": "success",
  "data": {
    "approvalData": [
      {
        "callTo": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "approveTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
        "amount": "1680715"
      }
    ],
    "dust": [],
    "output": [
      {
        "amount": "918943376897193",
        "amountUSD": "1.68",
        "minAmount": "918024433520296",
        "asset": { "symbol": "WETH", "chainId": 8453 }
      }
    ],
    "path": [
      {
        "action": "swap",
        "protocol": { "id": "dzap", "name": "Dzap Aggregator" },
        "input": [{ "amount": "1680715", "amountUSD": "1.68", "asset": { "symbol": "USDC", "chainId": 8453 } }],
        "output": [{ "amount": "918943376897193", "amountUSD": "1.68", "minAmount": "918024433520296", "asset": { "symbol": "WETH", "chainId": 8453 } }],
        "fee": [],
        "estimatedDuration": 10
      }
    ],
    "steps": [
      {
        "action": "swap",
        "data": {
          "type": "evm",
          "txnId": "0xabc...",
          "callTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
          "callData": "0x...",
          "value": "0",
          "estimatedGas": "350000"
        }
      }
    ]
  }
}

Takes a quote (or the same params you passed to /v1/quote) and returns transaction data ready to sign and submit.

Body

srcToken

string

required

srcChainId

integer

required

destToken

string

required

destChainId

integer

required

recipient

string

required

refundee

string

required

Address to refund if cross-chain settlement fails.

slippage

number

required

account

string

required

amount

string

Amount in wei. Not needed for NFT-only operations.

permitData

string

Permit2 / EIP-2612 signature payload, if you signed one.

estimateGas

boolean

Whether to include a gas estimate in the response.

positionDetails

object

NFT-related operation details (e.g. Uniswap V3 LP NFT).

Show positionDetails

nftId

string

NFT ID associated with the zap.

poolDetails

object

Pool-specific details for liquidity operations.

Show poolDetails

lowerTick

integer

Lower tick (concentrated liquidity).

upperTick

integer

Upper tick.

allowedBridges

string[]

Whitelist of bridges to consider.

allowedDexes

string[]

Whitelist of swap protocols to consider.

integrator

object

Integrator fee configuration.

Show integrator

string

Unique integrator identifier.

feeBps

integer

Fee in basis points (1 bps = 0.01%).

wallet

string

Wallet address to receive integrator fees.

Response

status

string

data.approvalData

object[]

Array of approvals to grant before executing (one per token that needs approval; empty if none needed).

Show approvalData item

callTo

string

Token contract to call.

approveTo

string

Spender address.

amount

string

Amount to approve.

data.output

object[]

Final output amount(s) of the whole zap.

Show output item

asset

object

Show asset

chainId

integer

address

string

symbol

string

name

string

logo

string

decimals

integer

price

string

type

string

provider

object

{ id, name, icon } - present for protocol-specific tokens (e.g. LP tokens).

underlyingTokens

object[]

Present for LP/vault tokens: { chainId, address, name?, symbol, decimals, logo? }.

amount

string

Output amount in token units.

amountUSD

string

USD value of the output.

minAmount

string

Minimum guaranteed return amount.

data.dust

object[]

Any leftover/unswept amounts produced by the route. Same shape as data.output items above.

data.path

object[]

Ordered list of route steps (same shape as the /v1/quote response).

Show path item

action

string

Step type, e.g. swap, bridge, deposit, withdraw, stake, unstake, increase, harvest.

protocol

object

{ id, name, icon } - the protocol used for this step.

input

object[]

Same shape as data.output items above, minus minAmount.

output

object[]

Same shape as data.output items above.

fee

object[]

{ asset, amount, amountUSD, included } - included indicates whether the fee is already netted into the shown amounts.

estimatedDuration

integer

Estimated seconds for this step.

data.steps

object[]

Ordered list of executable transaction steps - sign and submit these in order.

Show step item

action

string

Step action type (e.g. swap, deposit, bridge).

data

object

Chain-specific transaction payload - shape depends on the chain type.

Show data (evm)

type

string

"evm"

txnId

string

callTo

string

Contract to call.

callData

string

Hex-encoded calldata.

value

string

Native value to send, in wei.

estimatedGas

string

Show data (bvm - Bitcoin-like)

type

string

"bvm"

txnId

string

data

string

Show data (svm - Solana)

type

string

"svm"

txnId

string

data

string[]

blockhash

object

{ blockhash, lastValidBlockHeight }, when present.

estimatedGas

string

isJitoTx

boolean

Examples

curl -X POST https://zap.dzap.io/v1/buildTx \
  -H "Content-Type: application/json" \
  -d '{ "srcToken": "...", "srcChainId": 8453, ... }'

const tx = await dzap.buildZapTxn({
  srcToken: '0x...',
  srcChainId: 8453,
  destToken: '0x...',
  destChainId: 8453,
  amount: '5000000',
  recipient: '0x...',
  refundee: '0x...',
  slippage: 0.5,
  account: '0x...',
});

// Sign + send via your wallet client

{
  "status": "success",
  "data": {
    "approvalData": [
      {
        "callTo": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "approveTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
        "amount": "1680715"
      }
    ],
    "dust": [],
    "output": [
      {
        "amount": "918943376897193",
        "amountUSD": "1.68",
        "minAmount": "918024433520296",
        "asset": { "symbol": "WETH", "chainId": 8453 }
      }
    ],
    "path": [
      {
        "action": "swap",
        "protocol": { "id": "dzap", "name": "Dzap Aggregator" },
        "input": [{ "amount": "1680715", "amountUSD": "1.68", "asset": { "symbol": "USDC", "chainId": 8453 } }],
        "output": [{ "amount": "918943376897193", "amountUSD": "1.68", "minAmount": "918024433520296", "asset": { "symbol": "WETH", "chainId": 8453 } }],
        "fee": [],
        "estimatedDuration": 10
      }
    ],
    "steps": [
      {
        "action": "swap",
        "data": {
          "type": "evm",
          "txnId": "0xabc...",
          "callTo": "0x1d46863e3592745008b5CbbAC12014F67329A9b8",
          "callData": "0x...",
          "value": "0",
          "estimatedGas": "350000"
        }
      }
    ]
  }
}

Sign and submit each entry in data.steps in order via your wallet client. Once you have the resulting on-chain transaction hash, poll /v1/status (with chainId and txnHash) until the (possibly cross-chain) settlement completes.

Last modified on July 14, 2026

Quote Status

Getting started

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Build Transaction

Body

Response

Examples

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​Examples

Body

Response

Examples