1

Sign up for a Free Helius Account

Head over to the Helius Dashboard and create your free account.

2

Grab Your API Key

Go to the API Keys section of your dashboard and copy your key.

3

Make Your First API Call

Paste your API key into the input field and click the button to fetch a random NFT from the owner address 86xCn…o2MMY using the getAssetsByOwner method.

4

Success!

Success! You’ve fetched a random NFT owned by the address 86xCn…o2MMY which is the wallet address of Anatoly Yakovenko, one of the founders of Solana.

​
Now let’s do it using code

We’ll use Node.js for this example. If you don’t have it yet, you can download it here.

1

Create a new file

touch fetchRandomNFT.js
2

Copy the following code into the file

fetchRandomNFT.js
async function fetchRandomNFT() {
  const response = await fetch(`https://mainnet.helius-rpc.com/?api-key=YOUR_API_KEY`, {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      jsonrpc: '2.0',
      id: '1',
      method: 'getAssetsByOwner',
      params: {
        ownerAddress: '86xCnPeV69n6t3DnyGvkKobf9FdN2H9oiVDdaMpo2MMY'
      },
    }),
  })

  const data = await response.json()

  if (data.error) {
    console.error('Error fetching NFTs:', data.error.message)
    return
  }
  if (data.result && data.result.items && data.result.items.length > 0) {
    const randomIndex = Math.floor(Math.random() * data.result.items.length)
    const selectedNft = data.result.items[randomIndex]
    console.log(`Id: ${selectedNft.id}`)
    console.log(`Name: ${selectedNft.content?.metadata?.name || 'Unnamed NFT'}`)
    console.log(`Symbol: ${selectedNft.content?.metadata?.symbol || 'N/A'}`)
    console.log(`Image: ${selectedNft.content.files[0].uri || 'No image available'}`)
  }
}

fetchRandomNFT();
3

Replace the API key

Replace YOUR_API_KEY with your API key.

4

Run the code

node fetchRandomNFT.js
5

Success!

Success! You should see the ID, name, symbol, and image of a random NFT owned by the address 86xCn…o2MMY in your terminal.

​
Next Steps

Explore more quickstarts to get the most out of Helius:

Send Smart Transactions

Learn how to send smart transactions using the Helius SDK.

Fetch Token Metadata

Fetch token metadata using the DAS API.

Stream Real-Time Data

Stream live blockchain data with gRPC or WebSocket for low-latency updates.

Listen to On-Chain Events

Subscribe to on-chain activity using Webhooks.