v1

latestOpenAPI 3.0.0ISC2026-07-26318688.6 KB

DEX

Get token approval data

Get approval transaction data for a DEX swap

Returns a list of required token approval transactions for the specified route. This endpoint should be polled until an empty approvals list is returned, indicating that all necessary approvals have been granted.

Returns either approval transactions or permit signatures depending on token and swap provider support. If the token supports EIP-2612 permits and the swap provider is configured for it, signatures will be returned

post/dex/approve

Request body

quoteIdstring required

Quote ID from a prior quote response.

addressFromstring required

Address from which the amount will be deducted (EVM or Tron)

usePermitboolean

Whether to use permit instead of approve. Defaults to true for swaps that support it.

Example request

{
  "quoteId": "69a02882f48d56c923119d95",
  "addressFrom": "0xb7dE6b6eEBF7401aFea5a49D6405C9048fEf2d40"
}

Response

Success