🚀 Get Started | Documentation | Official website | Block explorer

We are excited to announce the integration of Berachain into Tatum! Berachain is a high-performance Layer 1 blockchain designed for DeFi innovation, built on a novel Proof-of-Liquidity (PoL) consensus mechanism that uniquely aligns incentives between validators, liquidity providers, and network participants.

Berachain is EVM-compatible and optimizes scalability, security, and liquidity efficiency. Its PoL consensus enhances network participation while maintaining decentralization, making it a game-changer for DeFi applications. By adding the Berachain RPC Gateway, developers can now seamlessly interact with the Berachain network using Tatum’s infrastructure.

🚀 Get Started | Documentation | Official website | Block explorer

We are excited to announce the integration of Sonic Chain into Tatum! Sonic launched its mainnet, marking a significant transformation for users and developers in the cryptocurrency space. Sonic is a new Layer 1 blockchain, designed to be faster and more efficient than its predecessor, Fantom.

Sonic is the highest-performing EVM Layer 1 blockchain, built for next-generation DeFi applications. It combines speed, incentives, and world-class infrastructure, delivering 10,000 TPS with sub-second finality to power Web3 innovations at scale. By adding Sonic RPC Gateway, developers can now seamlessly interact with the Sonic network using Tatum's infrastructure.

We’re excited to announce the launch of our Historical Balance API, enabling you to retrieve wallet balances at a specific point in time across supported blockchains — all in a single API call. Whether you need historical balances for auditing, reporting, or analysis, this endpoint provides accurate, time-based balance data without the hassle of manual calculations.

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API Reference: Get balances by time of addresses

📚 Documentation

Features:

• Retrieve native balances for specific wallet addresses at any point in time.
• Supports Ethereum & Bitcoin, with more chains to come.
• Flexible filtering by block number, timestamp, or exact time.
• Automated handling of future timestamps—returns the latest available balance.

🚀 Get Started | Documentation | Version 8 Changelog

We’re thrilled to announce the release of Tatum KMS (Key Management System) Version 8, featuring security enhancements through comprehensive updates to all dependency libraries. These updates address potential vulnerabilities and strengthen the system’s resilience to threats.

With improved security and the same reliable functionality you trust, KMS v8 is our most secure version yet. Upgrade today!

🚀 Get Started | Documentation | Official website | Block explorer

We are excited to announce the integration of Ronin Chain.

Ronin is an EVM-based blockchain specifically forged for gaming, launched by Sky Mavis—the creators of Axie Infinity. It has already processed over $4B in NFT volume, proving its ability to handle millions of daily users with near-instant transactions and negligible fees. Originally using Proof of Authority (PoA), Ronin has integrated Delegated Proof of Stake (DPoS) to enhance security and decentralization, making it a battle-tested platform for Web3 gaming and NFT projects.

We’ve released major improvements to Notifications!

Newly Supported Blockchains

We’ve expanded our multi-chain support by adding Arbitrum, Optimism, and Base on Mainnet to Tatum Notifications. You can now set up notifications for these chains via the API and in the Notification Builder on the Tatum Dashboard.

Dashboard: Search by Subscription ID

It’s now easier than ever to find specific notifications in the Dashboard. You can search by Subscription ID, and we’ve also optimized performance so you get faster results.

Notification History: New Retention Policy

We’ve introduced a new retention policy for sent notification events, based on your plan:

• 🥉 Free Plan: retained for 1 Day
• 🥈 PayGo Plan: retained for 7 Days
• 🥇 Business Plan: retained for 30 Days

Important: Our new retention policy will go into effect on February 1st, providing data retention based on your plan.

Need a longer retention period? Contact us, and we'll be happy to help tailor a solution to your needs.

We’ve streamlined our documentation to help you find what you need faster.

Blockchain functionality is now organized by interfaces (e.g., Tatum API, JSON-RPC, Rosetta, gRPC REST). This makes it easy to locate methods and see supported features for every blockchain.

We’ve revamped our documentation to make finding what you need faster and easier.

We’re excited to announce more currency options in our Virtual Accounts!
You can now create and manage accounts in these new currencies for seamless transactions:

🚀 Get Started | Documentation | Status Page | Block Explorer

We’re excited to announce the launch of Bitcoin Testnet4.

Bitcoin Testnet 4 provides a reliable and risk-free environment for developers, miners, and users to experiment with Bitcoin applications. This new testnet addresses significant limitations of the deprecated Testnet3, including challenges in acquiring testnet coins and issues with network stability. Testnet4 features improved mining activity, more predictable difficulty adjustments, and reduced network abuse, ensuring a seamless testing experience.

Bitcoin Testnet4 Support

• Tatum integration: Integrated with Core API, Dashboard and SDK
• Bitcoin testnet4 endpoint (⭐ Tier 2): https://bitcoin-testnet4.gateway.tatum.io

Transition to Testnet4 and unlock new opportunities to innovate on the Bitcoin network!

Introducing the new unified Gas Fee Estimation endpoint!
Our enhanced endpoint now allows you to get estimated gas prices (in wei) and the number of gas units required for your transactions—all in a single API call.

🔑 Simply provide your API key, specify the chain, and include the required parameters (from, to, amount, and optional data or contractAddress for tokens). The endpoint covers all supported chains, delivering consistent and accurate gas estimations to streamline your transaction workflows.

🌟 Key Features:

• Unified support for multiple chains.
• Comprehensive estimation in just one call.
• Streamlined integration with your applications.

📂 API Endpoint:

POST: https://api.tatum.io/v4/blockchainOperations/gas

To learn more about the supported chains and the endpoint you can read the endpoint docs here.