# Transfers API — Hanzo AI

> Monitor and query all token transfers across chains. Get transfer history, pending transactions, and real-time notifications for any address or contract.

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# Transfers API

Track token & NFT transfers in real-time

Monitor and query all token transfers across chains. Get transfer history, pending transactions, and real-time notifications for any address or contract.

### All Transfer Types

Native tokens, ERC-20, ERC-721, and ERC-1155 transfers.

### Historical Data

Query transfer history from genesis to present.

### Real-time Alerts

Webhooks for instant transfer notifications.

### Advanced Filtering

Filter by token, address, amount, or time range.

[Back to Web3 Overview](https://hanzo.ai/blockchain)

## Get Your API Key

Start building in under 5 minutes

HA

Failover

<50ms

Latency

100+

Chains

Start Building Free

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No credit card required. Free tier includes 300M compute units/month.

Trusted by developers building:

DeFiNFTsPaymentsGamingAI Agents

## Key Capabilities

Everything you need, nothing you don&#x27;t.

### All Transfer Types

Native tokens, ERC-20, ERC-721, and ERC-1155 transfers.

### Historical Data

Query transfer history from genesis to present.

### Real-time Alerts

Webhooks for instant transfer notifications.

### Advanced Filtering

Filter by token, address, amount, or time range.

### Decoded Data

Human-readable transfer details with token metadata.

### Multi-chain

Unified API for transfers across 100+ chains.

### Low Latency

Sub-second transfer detection and notification.

### Internal Transfers

Track internal transactions and contract interactions.

### Analytics

Aggregate transfer volume and flow analytics.

## Simple to Integrate

Get started with just a few lines of code. SDKs for every language.

Solidity

Node

Python

Go

Rust

C

C++

Ruby

TransferMonitor.sol

```
// SPDX-License-Identifier: MIT pragma solidity ^0.8.24; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import "@openzeppelin/contracts/token/ERC721/IERC721.sol"; /// @title TransferMonitor - Track and log transfers for indexing contract TransferMonitor { // Indexed transfer events for efficient querying event TokenTransfer( address indexed token, address indexed from, address indexed to, uint256 amount, uint256 timestamp ); event NFTTransfer( address indexed collection, uint256 indexed tokenId, address indexed from, address to, uint256 timestamp ); event NativeTransfer( address indexed from, address indexed to, uint256 amount, uint256 indexed blockNumber ); // Log ERC20 transfer with metadata function logTokenTransfer( address token, address from, address to, uint256 amount ) external { emit TokenTransfer(token, from, to, amount, block.timestamp); } // Log NFT transfer function logNFTTransfer( address collection, uint256 tokenId, address from, address to ) external { emit NFTTransfer(collection, tokenId, from, to, block.timestamp); } // Transfer ETH and emit event function transferWithLog(address payable to) external payable { to.transfer(msg.value); emit NativeTransfer(msg.sender, to, msg.value, block.number); } // Batch transfer ERC20 tokens function batchTransfer( address token, address[] calldata recipients, uint256[] calldata amounts ) external { require(recipients.length == amounts.length, "Length mismatch"); for (uint256 i = 0; i

## Built For

### Transaction Monitoring

Track deposits, withdrawals, and suspicious activity.

### Portfolio Updates

Real-time balance updates as transfers happen.

### Compliance Tools

AML monitoring and transaction screening.

### Notification Services

Alert users on incoming transfers and NFT activity.

## Supported Chains

EthereumPolygonArbitrumOptimismBaseBNB ChainAvalanchezkSyncScrollLinea

## Start Building with Transfers API

Get your free API key and ship your first request in under 5 minutes. No credit card required.

Get Your API Key

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## Get Transfers API

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