Tatum is a unified blockchain development platform that lets you build, run, and scale blockchain apps across 100+ chains. Access real-time blockchain data, NFT balances, exchange rates, and webhook notifications for on-chain events.
Triggers when any blockchain transaction or event occurs at a monitored address. Uses Tatum's ADDRESS_EVENT subscription type, which covers incoming/outgoing native, token, and NFT transfers.
2 parameters
Blockchain
Wallet Address
New Incoming Transaction
Triggers when a native currency transfer (ETH, BTC, SOL, MATIC, etc.) is received at a monitored address. Uses Tatum's INCOMING_NATIVE_TX subscription type.
2 parameters
Blockchain
Wallet Address
Actions available for Tatum on Stepper
Get Native Balance
Get the native cryptocurrency balance (ETH, BTC, SOL, MATIC, etc.) for a blockchain address.
2 parameters
Blockchain
Wallet Address
Get Wallet Portfolio
Get a wallet's full portfolio including native tokens, ERC-20 fungible tokens, and NFTs across supported chains.
4 parameters
Blockchain
Wallet Address
Token Types
Exclude Metadata
Get Transaction
Get details of a blockchain transaction by its hash.
2 parameters
Blockchain
Transaction Hash
Get NFT Balance
Get all NFTs held by a blockchain address, grouped by smart contract.
5 parameters
Blockchain
Wallet Address
NFT Contract Address
Page Size
Offset
Get Token Owners
Get all addresses that own a specific ERC-20, ERC-721, or ERC-1155 token.
4 parameters
Blockchain
Token Contract Address
Token ID
Page Size
Get Exchange Rate by Symbol
Get the current exchange rate for a cryptocurrency or fiat symbol. Supports 1000+ token symbols by market cap.
2 parameters
Currency Symbol
Base Pair
Get Exchange Rate by Contract
Get the current exchange rate for a token by its contract address on a specific chain.
3 parameters
Blockchain
Contract Address
Base Pair
Get Current Block
Get the current (latest) block height for a blockchain.
1 parameters
Blockchain
Create Subscription
Create a webhook subscription to receive real-time blockchain event notifications at a specified URL.
4 parameters
Subscription Type
Blockchain
Wallet/Contract Address
Webhook URL
Cancel Subscription
Cancel an existing webhook subscription by its ID, stopping future notifications.
1 parameters
Subscription ID
Make HTTP Request
Make an HTTP request to any URL with full control over method, headers, and body.