Deprecation of the REST v1 swap endpoints begins on September 30, 2026. Please migrate to the Partner API v2. Dashboard and authentication endpoints remain on v1 GraphQL and are not affected. Read the migration guide
POST DEX Approve
Endpoint
POST /dexApprove
Request Body
{
"tokenIdTo": "6689b73ec90e45f3b3e51558",
"tokenIdFrom": "6689b73ec90e45f3b3e51553",
"addressFrom": "0x45CF73349a4895fabA18c0f51f06D79f0794898D",
"amount": 1,
"swap": "sw",
"route": {
"duration": 1,
"gas": "5387746374601800",
"quote": {
"integration": "debridge",
"type": "swap",
"bridgeFee": "29257969",
"bridgeFeeInNativeToken": "1000000000000000",
"amount": "657693444",
"decimals": 9,
"amountUSD": "94.905",
"bridgeFeeUSD": "4.221",
"bridgeFeeInNativeTokenUSD": "2.434",
"fees": [
{
"type": "bridge",
"amount": "29257969",
"amountUSD": "4.221",
"chainSlug": "solana",
"tokenSymbol": "SOL",
"tokenAddress": "11111111111111111111111111111111",
"decimals": 9,
"deductedFromSourceToken": true
},
{
"type": "bridge",
"amount": "1000000000000000",
"amountUSD": "2.434",
"chainSlug": "ethereum",
"tokenSymbol": "ETH",
"tokenAddress": "0x0000000000000000000000000000000000000000",
"decimals": 18,
"deductedFromSourceToken": false
},
{
"type": "gas",
"amount": "5387746374601800",
"amountUSD": "13.118",
"chainSlug": "ethereum",
"tokenSymbol": "ETH",
"tokenAddress": "0x0000000000000000000000000000000000000000",
"decimals": 18,
"deductedFromSourceToken": false
},
{
"type": "partner",
"amount": "200000",
"amountUSD": "0.200",
"chainSlug": "ethereum",
"tokenSymbol": "USDT",
"tokenAddress": "0xdac17f958d2ee523a2206206994597c13d831ec7",
"decimals": 6,
"deductedFromSourceToken": true
}
]
},
"route": [
{
"bridge": "debridge",
"bridgeTokenAddress": "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48",
"steps": ["allowance", "approve", "send"],
"name": "USDC",
"part": 100
}
],
"distribution": { "debridge": 1 },
"gasUSD": "13.118"
}
}
Request Fields
| Field | Type | Description |
|---|---|---|
tokenIdTo | string | Destination token identifier |
tokenIdFrom | string | Source token identifier |
addressFrom | string | Address from which the amount will be deducted |
amount | number | Approval amount |
swap | string | Swap type identifier (e.g., sw) |
route | object | Routing configuration (RouteDTO from dexQuote) |
Example Response
[
{
"data": "0x095ea7b300000000000000000000000072788af7fc87d14da73f94e353e52b76e230035b000000000000000000000000000000000000000000000000016345785d8a0000",
"to": "0x0000000000000000000000000000000000000000",
"from": "0x789",
"fromChain": {
"id": "667160411933f7647414f091",
"created": "2024-06-18T10:24:01.870Z",
"modified": "2024-09-04T13:41:54.131Z",
"name": "Ethereum",
"shortName": "ethereum",
"addressValidation": "^(0x)[0-9A-Fa-f]{40}$",
"explorerUrl": "https://etherscan.io/tx/{txHash}",
"addressUrl": "https://etherscan.io/tokens/{address}",
"kind": "evm",
"chainId": 1,
"block": "0",
"gasPrice": "0",
"lastBaseFeePerGas": "0",
"maxFeePerGas": "0",
"maxPriorityFeePerGas": "0",
"enabled": true,
"icon": "http://localhost:3000/assets/dexchains/667160411933f7647414f091.png"
}
}
]
Response Fields
| Field | Type | Description |
|---|---|---|
data | string | Encoded transaction data (hex) to submit on-chain |
to | string | Target contract address |
from | string | Source token address |
fromChain | object | Source chain details (ChainDTO) |
ChainDTO Fields
| Field | Type | Description |
|---|---|---|
id | string | Unique chain identifier |
created | string | Creation timestamp |
modified | string | Last modification timestamp |
name | string | Chain full name |
shortName | string | Chain abbreviation |
addressValidation | string | Regex for address validation |
memoNeeded | boolean | Whether memo is required |
explorerUrl | string | Block explorer URL format |
addressUrl | string | Token address URL format |
icon | string | Chain icon URL |
kind | string | Chain type (e.g., evm) |
chainId | number | Blockchain network ID |
block | bigint | Current block number |
gasPrice | bigint | Current gas price |
lastBaseFeePerGas | bigint | Recent base fee |
maxFeePerGas | bigint | Maximum fee ceiling |
maxPriorityFeePerGas | bigint | Priority fee limit |
enabled | boolean | Whether chain is active |
shortNameV1 | string | Legacy chain abbreviation |