Check allowance

Get the number of tokens that the swap router is allowed to spend：

baseUrl/{chainId}/approve/allowance

Parameters

Name	Description
tokenAddress * string (query)	Token address you want to exchange
walletAddress * string (query)	Wallet address for which you want to check

example:

http://router-api.openliq.com/137/approve/allowance?tokenAddress=0x2791Bca1f2de4661ED88A30C99A7a9449Aa84174&walletAddress=0x644a66b76E740d98f0D23C3Ae942163Bb43078C1

{
    "errno":0,
    "message": "success",
    "data": {
      "allowance": "0"
    }
}