$
touch token-api-script.js

1
// Replace with your Alchemy API Key
2
const apiKey = "demo";
3
const baseURL = `https://eth-mainnet.g.alchemy.com/v2/${apiKey}`;
4
5
async function getTokenData() {
6
 try {
7
 // The wallet address / token we want to query for:
8
 const ownerAddr = "0x3f5ce5fbfe3e9af3971dd833d26ba9b5c936f0be";
9
 const tokenAddr = "0x607f4c5bb672230e8672085532f7e901544a7375";
10
11
 // Get token balances
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 const balanceResponse = await fetch(baseURL, {
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 method: 'POST',
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 headers: {
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 'Content-Type': 'application/json',
16
 },
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 body: JSON.stringify({
18
 jsonrpc: "2.0",
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 method: "alchemy_getTokenBalances",
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 params: [ownerAddr, [tokenAddr]],
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 id: 1
22
 })
23
 });
24
25
 const balanceData = await balanceResponse.json();
26
27
 // Get token metadata
28
 const metadataResponse = await fetch(baseURL, {
29
 method: 'POST',
30
 headers: {
31
 'Content-Type': 'application/json',
32
 },
33
 body: JSON.stringify({
34
 jsonrpc: "2.0",
35
 method: "alchemy_getTokenMetadata",
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 params: [tokenAddr],
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 id: 2
38
 })
39
 });
40
41
 const metadataData = await metadataResponse.json();
42
43
 console.log("Token Balances:");
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 console.log(balanceData.result);
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 console.log("Token Metadata:");
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 console.log(metadataData.result);
47
48
 } catch (error) {
49
 console.error('Request failed:', error.message);
50
 }
51
}
52
53
getTokenData();

$
node token-api-script.js

$
Token Balances:
>
{
>
 address: '0x3f5ce5fbfe3e9af3971dd833d26ba9b5c936f0be',
>
 tokenBalances: [
>
 {
>
 contractAddress: '0x607f4c5bb672230e8672085532f7e901544a7375',
>
 tokenBalance: '0x0000000000000000000000000000000000000000000000000000000000000000',
>
 error: null
>
 }
>
 ]
>
}
>
Token Metadata:
>
{
>
 decimals: 9,
>
 logo: 'https://static.alchemyapi.com/images/assets/1637.png',
>
 name: 'iExec RLC',
>
 symbol: 'RLC'
>
}

$
touch fetch-script.js

1
// alchemy-token-api/fetch-script.js
2
3
4
// Replace with your Alchemy API key:
5
const apiKey = "demo";
6
const fetchURL = `https://eth-mainnet.g.alchemy.com/v2/${apiKey}`;
7
8
// Replace with the wallet address you want to query:
9
const ownerAddr = "0x3f5ce5fbfe3e9af3971dd833d26ba9b5c936f0be";
10
// Replace with the token contract address you want to query:
11
const tokenAddr = "0x607f4c5bb672230e8672085532f7e901544a7375";
12
13
var raw = JSON.stringify({
14
 "jsonrpc": "2.0",
15
 "method": "alchemy_getTokenBalances",
16
 "headers": {
17
 "Content-Type": "application/json"
18
 },
19
 "params": [
20
 `${ownerAddr}`,
21
 [
22
 `${tokenAddr}`,
23
 ]
24
 ],
25
 "id": 42
26
});
27
28
var requestOptions = {
29
 method: 'POST',
30
 body: raw,
31
 redirect: 'follow'
32
};
33
34
// Make the request and print the formatted response:
35
fetch(fetchURL, requestOptions)
36
 .then(response => response.json())
37
 .then(response => JSON.stringify(response, null, 2))
38
 .then(result => console.log(result))
39
 .catch(error => console.log('error', error));

$
node fetch-script.js

1
{
2
 "jsonrpc": "2.0",
3
 "id": 42,
4
 "result": {
5
 "address": "0x3f5ce5fbfe3e9af3971dd833d26ba9b5c936f0be",
6
 "tokenBalances": [
7
 {
8
 "contractAddress": "0x607f4c5bb672230e8672085532f7e901544a7375",
9
 "tokenBalance": "0x00000000000000000000000000000000000000000000000000003c005f81ab00",
10
 "error": null
11
 }
12
 ]
13
 }
14
}