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In a nutshell
Dedicated addresses allow you to create unique blockchain addresses for each customer. These addresses can receive stablecoins across multiple EVM-compatible chains, with deposits automatically swept to your master wallet.
Addresses

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Prerequisites

Before generating addresses, ensure you have:
1

API Key

Get your API key from the Blockradar Dashboard. Navigate to Developers to generate one.
2

Master Wallet Created

Create at least one master wallet via the Create Wallet API or dashboard. You’ll need the walletId to generate addresses.
3

Wallet Funded

Fund your master wallet with native tokens (ETH, BNB, MATIC, etc.) to cover gas fees for auto-sweeping operations.
4

Webhook Configured

Set up your webhook URL on the master wallet to receive deposit notifications. See Webhooks for setup details.

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How It Works

Dedicated Addresses is a crucial feature on Blockradar that enables you to create unique addresses for your customers. These addresses allow your customers to deposit stablecoins into your fintech app seamlessly. When you create a dedicated address for a customer, they can use that single address to deposit stablecoins across multiple EVM-compatible blockchains. For example, if you have Ethereum, Binance Smart Chain, Polygon, and Base master wallets created, each address you generate through any of these master wallets can be used to receive stablecoins on any of the supported blockchains and assets. This ensures that you don’t have to worry about your customer sending stablecoins to the wrong blockchain. Additionally, when stablecoins are deposited into a particular address, the assets are automatically moved to the chain’s master wallet address.
Aside from Tron and Solana, addresses generated from one wallet can be used to deposit stablecoins across other blockchains that have the blockchain parameter isEvmCompatible: true.

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Create a Dedicated Address

You can generate a dedicated address for your customer using either the Blockradar dashboard or the API, depending on your workflow and integration needs.

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1. Using the Dashboard

The Blockradar dashboard provides a simple, user-friendly interface for generating new addresses. Generate address
This screenshot demonstrates the process of generating a new address via the Blockradar dashboard. This method is ideal for manual address creation or for teams who prefer a graphical interface.

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2. Using the API

For programmatic or automated address generation, you can use the Create Dedicated Address API.
This is useful for integrating address creation into your own applications or backend systems. To create a dedicated address for a customer, send a POST request to our Create Dedicated Address API. 
curl --request POST \
  --url https://api.blockradar.co/v1/wallets/{walletId}/addresses \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "disableAutoSweep": "OPTIONAL_BOOLEAN",
  "enableGaslessWithdraw": "OPTIONAL_BOOLEAN",
  "metadata": "OPTIONAL_METADATA",
  "name": "OPTIONAL_ADDRESS_NAME",
  "showPrivateKey": "OPTIONAL_BOOLEAN"
}'

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Response

{
  "data": {
    "address": "0xe1037B45b48390285e5067424053fa35c478296b",
    "blockchain": {
      "createdAt": "2024-05-14T11:53:33.095Z",
      "derivationPath": "m/44'/60'/0'/0",
      "id": "85ffc132-3972-4c9e-99a5-5cf0ccb688bf",
      "isActive": true,
      "isEvmCompatible": true,
      "logoUrl": "https://res.cloudinary.com/blockradar/image/upload/v1716800081/crypto-assets/ethereum-eth-logo_idraq2.png",
      "name": "ethereum",
      "slug": "ethereum",
      "symbol": "eth",
      "tokenStandard": "ERC20",
      "updatedAt": "2024-06-14T22:32:11.983Z"
    },
    "configurations": {
      "aml": {
        "message": "Address is not sanctioned",
        "provider": "ofac",
        "status": "success"
      },
      "disableAutoSweep": false,
      "enableGaslessWithdraw": false,
      "showPrivateKey": false
    },
    "createdAt": "2024-10-23T11:13:40.446Z",
    "derivationPath": "m/44'/60'/0'/0/87",
    "id": "0a69c48a-6c6f-422c-bd6a-70de3306a3ac",
    "isActive": true,
    "metadata": {
      "user_id": 1
    },
    "name": "Customer 1",
    "network": "testnet",
    "type": "INTERNAL",
    "updatedAt": "2024-10-23T11:13:40.446Z"
  },
  "message": "Address generated successfully",
  "statusCode": 200
}

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Testing

Addresses generated via a testnet master wallet can only receive assets on the testnet.
Here is a list of places where you can get testnet assets to test with:
  • Ethereum - Get test USDC here: Circle
  • Binance Smart Chain - Get test USDT here: Binance
  • Polygon - Get test USDC here: Circle
  • Base - Get test USDC here: Circle
  • Tron - Get test USDT here: Nileex
  • Solana - Get test USDC here: Circle
  • Optimism - Get test USDC here: Circle
  • Arbitrum - Get test USDC here: Circle
  • Celo - Get test USDC here: Circle


Happy hacking! 💚