Get ERC20 token allowance

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GEThttps://deep-index.moralis.io/api/v2.2/erc20/:address/allowance

Get the amount which the spender is allowed to withdraw on behalf of the owner.

PATH PARAMS

addressstringrequired

The address of the token contract

QUERY PARAMS

chainstring

The chain to query

eth0x1goerli0x5sepolia0xaa36a7polygon0x89mumbai0x13881bsc0x38bsc testnet0x61avalanche0xa86afantom0xfapalm0x2a15c308dcronos0x19arbitrum0xa4b1gnosis0x64gnosis testnet0x27d8chiliz0x15b38chiliz testnet0x15b32base0x2105base testnet0x14a33optimism0xa

owner_addressstringrequired

The address of the token owner

spender_addressstringrequired

The address of the token spender

Responses

API KEY

Node.js

import Moralis from 'moralis';

try {
  await Moralis.start({
    apiKey: "YOUR_API_KEY"
  });

  const response = await Moralis.EvmApi.token.getTokenAllowance({
    "chain": "0x1",
    "ownerAddress": "0x0cBee687015d5151BA084806E00A59A8e6F206c2",
    "spenderAddress": "0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88",
    "address": "0xdac17f958d2ee523a2206206994597c13d831ec7"
  });

  console.log(response.raw);
} catch (e) {
  console.error(e);
}

Python

from moralis import evm_api

api_key = "YOUR_API_KEY"

params = {
  "chain": "eth",
  "owner_address": "0x0cBee687015d5151BA084806E00A59A8e6F206c2",
  "spender_address": "0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88",
  "address": "0xdac17f958d2ee523a2206206994597c13d831ec7"
}

result = evm_api.token.get_token_allowance(
  api_key=api_key,
  params=params,
)

print(result)

cURL

curl --request GET \
     --url 'https://deep-index.moralis.io/api/v2.2/erc20/0xdac17f958d2ee523a2206206994597c13d831ec7/allowance?chain=eth&owner_address=0x0cBee687015d5151BA084806E00A59A8e6F206c2&spender_address=0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88' \
     --header 'accept: application/json' \
     --header 'X-API-Key: YOUR_API_KEY' 

Go

package main

import (
  "fmt"
  "net/http"
  "io/ioutil"
)

func main() {

  url := "https://deep-index.moralis.io/api/v2.2/erc20/0xdac17f958d2ee523a2206206994597c13d831ec7/allowance?chain=eth&owner_address=0x0cBee687015d5151BA084806E00A59A8e6F206c2&spender_address=0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88"

  req, _ := http.NewRequest("GET", url, payload)

  req.Header.Add("Accept", "application/json")
  req.Header.Add("X-API-Key", "YOUR_API_KEY")

  res, _ := http.DefaultClient.Do(req)

  defer res.Body.Close()
  body, _ := ioutil.ReadAll(res.Body)

  fmt.Println(res)
  fmt.Println(string(body))

}

PHP

<?php
// Dependencies to install:
// $ composer require guzzlehttp/guzzle

require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('GET', 'https://deep-index.moralis.io/api/v2.2/erc20/0xdac17f958d2ee523a2206206994597c13d831ec7/allowance?chain=eth&owner_address=0x0cBee687015d5151BA084806E00A59A8e6F206c2&spender_address=0x75e89d5979E4f6Fba9F97c104c2F0AFB3F1dcB88', [
  'headers' => [
    'Accept' => 'application/json',
    'X-API-Key' => 'YOUR_API_KEY',
  ],
]);

echo $response->getBody();

Response Example

200 Returns the amount which the spender is allowed to withdraw on behalf of the owner.

{
  "allowance": "0"
}