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How to get erc20 token metadata by contract

Prerequisites​

Before getting started, make sure you have the following ready:

  • Node v.14+
  • NPM

Step 1: Setup Blocklens​

First register your Blocklens account and get your Blocklens API Key.

Once you have your Blocklens API Key, install the Blocklens SDK in your project.

npm i blocklens-sdk

Step 2: Get ERC20 token metadata by contract​

In order to get erc20 token metadata by contract, Blocklens provides you a getErc20TokenMetadata endpoint to do so.

Here you'll need a parameter: address.

Once you've obtained the address, you can copy the following code:

import Blocklens from "blocklens-sdk";

const blocklens = new Blocklens();
blocklens.init({ apiKey: "YOUR_API_KEY" });

const runApis = async () => {
  const response = await blocklens.ETH_MAINNET.getErc20TokenMetadata("0x6339e5E072086621540D0362C4e3Cea0d643E114");
  console.log(response);
};

runApis();

Step 3: Run the script​

ts-node index.ts

In your terminal, you should see the following JSON response with the data: In your terminal, you should see the following JSON response with the data blocks:

{
  "name": "string",
  "symbol": "string",
  "decimals": "string",
  "contract_address": "string",
  "total_supply": "string",
  "description": "string",
  "icon_url": "string",
  "last_synced_at": 0
}

Congratulations 🥳 you just found the get erc20 token metadata by contract on multiple chains with only a few lines of code using the Blocklens Wallet API!

API Reference​

If you want to know more details on the endpoint and optional parameters, check out:

Support​

If you face any trouble following the tutorial, feel free to reach out to our community engineers in our Discord or Forum to get 24/7 developer support.