2️⃣Get Allowance

If source quoting asset is an ERC20 token, you should ensure that source token owner has approved sufficient token amount to spender before proceed swap operation. This endpoint provide convenient way to check ERC20 allowance amount.

Get Allowance

get

Query parameters

chainIdintegerrequired

Chain ID.

tokenAddressstringrequired

ERC20 token address.

ownerstringrequired

Owner of ERC20 token.

spenderstringrequired

Spender of ERC20 token.

Responses

application/json

cURL

JavaScript

Python

HTTP

cURL

curl -L \
  --url 'https://aggregator-api.xy.finance/v1/allowance?chainId=1&tokenAddress=text&owner=text&spender=text'

200

200

{
  "success": true,
  "chainId": 1,
  "tokenAddress": "text",
  "owner": "text",
  "spender": "text",
  "allowance": "text"
}

Successful Response

NOTE : The spender should be the contractAddress in the response of Get Quote. e.g. routes[{ROUTE_INDEX}]["contractAddress"]

Here you can find our full API reference