Allowance

Get Allowance details for a token

allowance

GET https://api.unifront.io/v1/utils/getAllowance

This endpoint allows you to get allowance for a particular token.

Query Parameters

Name	Type	Description
spender	string	Exchange or Smart Contract which is going to execute the transaction on your behalf
contract	string	Token contract address
owner	string	wallet address - owner

Headers

Name	Type	Description
API_key	string	API Key for authentication - [Not Required]

200 Allowance amount

{
  "allowance": "999999999975.9"
}

400 Spender param not sent

{
  "name": "BadRequestError",
  "message": "Invalid queries, check 'errors' property for more info.",
  "errors": [
    {
      "target": {
        "contract": "0x0d8775f648430679a709e98d2b0cb6250d2887ef",
        "owner": "0x78f32a27559170f9a005b319Ed53441b9e852158"
      },
      "property": "spender",
      "children": [],
      "constraints": {
        "isString": "spender must be a string",
        "isNotEmpty": "spender should not be empty"
      }
    }
  ]
}