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How to get nft owner by token id

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 NFT owner by token id​

In order to get nft owner by token id, Blocklens provides you a getNftOwnerByTokenId endpoint to do so.

Here you'll need parameters: address, token_id.

Once you've obtained all the address, token_id, 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.getNftOwnerByTokenId("0x6339e5E072086621540D0362C4e3Cea0d643E114", "12740");
  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:

{
  "cursor": "string",
  "page": 0,
  "limit": 0,
  "total_items": 0,
  "data": [
    {
      "collection_address": "string",
      "collection_type": "string",
      "token_id": "string",
      "token_hash": "string",
      "owner_of": "string",
      "minter_address": "string",
      "amount": "string",
      "token_uri": "string",
      "metadata": {
        "name": "string",
        "description": "string",
        "image": "string",
        "external_link": "string",
        "animation_url": "string",
        "attributes": [
          {
            "trait_type": "string",
            "value": "string",
            "max_value": 0,
            "trait_count": 0,
            "order": 0
          }
        ]
      },
      "block_number_minted": 0,
      "tx_hash_minted": "string",
      "block_number_updated": 0,
      "last_token_uri_sync": 0,
      "last_metadata_sync": 0
    }
  ]
}

Congratulations 🥳 you just found the get nft owner by token id 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.