The Transactions API now supports EIP7702 session key authorization for gasless transaction execution. Server wallets can execute transactions on behalf of user accounts with full gas sponsorship from the infrastructure. Implementation curl -X POST "https://engine.thirdweb.com/v1/write/transaction" \ -H "content-type: application/json" \ -H

We just enabled batch execution for EOAs, allowing you to execute multiple transactions atomically in a single call. How to use batch execution Simply pass multiple items in your params array. All transactions will be executed atomically: curl -X POST "https://engine.thirdweb.com/v1/write/transaction" \ -H

We just enabled AWS KMS wallet support for the Transactions API, allowing you to use your AWS KMS-managed keys directly. How to use AWS KMS wallets Add the AWS KMS headers to your Engine API calls: curl -X POST "https://engine.thirdweb.com/v1/write/transaction" \ -H "

Engine Cloud exits beta with a complete architectural overhaul powered by our new Rust-based Engine Core. This update introduces simplified APIs, comprehensive transaction monitoring, and significant performance improvements. 🚀 What's New Rust-Based Engine Core Engine Cloud is now built on Engine Core, our new open-source Rust-based blockchain transaction infrastructure.