For AI agents: visit https://docs.tatum.io/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.

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Home Guides API Reference Changelog

Getting Started

Welcome to Tatum
Authentication & Security
Plans & Limits
Testnet Faucets
API Reference
Documentation MCP
JavaScript SDK
Learn Blockchain

BLOCKCHAIN RPC

Supported Blockchains
RPC Nodes
RPC Gateway
Error Codes
Data Streaming & Real-Time Feeds
- gRPC Data Streams
- gRPC Structured Queries

BLOCKCHAIN NOTIFICATIONS

Notifications
Workflow
Templates
- Notifications: Attributes "address" and "counterAddress"
- Notifications: Attribute "type" and values
Conditions & Filters
Webhook Configuration
Advanced Features

Blockchain Data

Data APIs
Tax, Compliance & Auditing
Stable Coins
Portfolio Apps
Crypto Prices
NFTs
Fee Estimation

Blockchain Wallet

Overview
Smart Wallet SDK

Blockchain Operations

Wallet Operations
Smart Contracts
Storage
- Upload File

Blockchain Abstraction

Gas Pump
🧾 Transaction Simulator
- Simulate Transfer
- Simulate Transfer Erc20
KMS
Virtual Accounts

TROUBLESHOOTING

Developer Best Practices
Blockchain RPC
Blockchain Data
- Blockchains API Migration Path
- DATA API - UTXO Indexer
Blockchain Notifications
Blockchain Operations
Fees, Gas and Estimates
Virtual Accounts
KMS
NFTs
Contacting Support

Powered by

Blockchain Operations
Wallet Operations
💻 MetaMask

Approve the transfer of a fungible token like USDT

- How to approve a USDT transaction for someone else with MetaMask from your browser-based application
- - Request parameters
  - Response