Changelog

A collection of 503 posts

Use thirdweb AI with the Vercel AI SDK

New package: @thirdweb-dev/ai-sdk-provider - A thin provider that lets you plug thirdweb AI into the Vercel AI SDK. It standardizes message parts, exposes wallet-aware tools (sign_transaction, sign_swap), and ships with types/utilities so you can build chat UIs that execute on-chain actions from AI responses. If you’

TikTok Authentication Now Available!

Expanding our repertoire of authentication providers across all interfaces.

thirdweb AI - Auto Execution

We’ve introduced Auto Execution to the /ai/chat endpoint. When enabled, the AI will not only prepare transactions, swaps, or deployments — it will automatically execute them on behalf of the authenticated user or server wallet. This dramatically reduces friction: no extra signing steps, no manual execution flows. Just describe

thirdweb API: Improved Social Authentication

New GET /v1/auth/social endpoint for simplified OAuth - replaces deprecated OAuth in /v1/auth/initiate

thirdweb API: Launch ERC20 Tokens with Liquidity Pool & Rewards

Earlier this week we launched the ability to deploy your own token right from the dashboard, complete with a liquidity pool and developer rewards. Today, we're releasing this same capability via the thirdweb API. You can now programmatically: * Launch your token on a decentralized exchange * Set up a

Launch ERC20 Token with Liquidity Pool & Rewards

Launching an ERC20 token is now faster, easier, and more rewarding. Your community can start buying, trading, and holding from day one — while you earn fees in the background! The new ERC20 token creation flow, you can: * Launch your token on a decentralized exchange * Set up a Uniswap V3 pool

Guest Authentication Now Available

It is easier than ever to get users started with blockchain interactions.

Migration Guide: Nebula API to thirdweb AI Chat API

Overview This guide helps you migrate from the legacy Nebula API (nebula-api.thirdweb.com/chat) to the new thirdweb AI Chat API (api.thirdweb.com/ai/chat). Quick Reference First API Field Second API Field Notes message messages[].content Single string → Array of message objects session_id context.session_id

thirdweb AI - Chat API

We’ve added an OpenAI-compatible AI Chat endpoint specialized for blockchain interactions, powered by thirdweb’s 't0' model. It can query live on-chain data, analyze transactions, prepare contract calls, swaps, and more via a single /ai/chat call. Docs: https://portal.thirdweb.com/ai/chat Playground: https://playground.

Payments API

Adding thirdweb Payments to our flagship HTTP API.

Stargate Now Supported in Payments

Stargate routes are now included in thirdweb Payments.

Thirdweb API v1

Meet the thirdweb API: A Revolutionary Unified Interface for Web3 Development.

Introducing Stylus Arbitrum Airdrop Contracts

Arbitrum Stylus brings a second, WebAssembly (WASM) virtual machine to every Arbitrum chain, so you can write contracts in Rust (or C/C++) while staying 100 % interoperable with existing Solidity code. Under the hood, Stylus executes WASM thousands of times faster than the EVM, so transactions are metered in a

Playground UI improvements

A cleaner, smarter interface to help you discover features and navigate the Playground more efficiently. What's New * New home page with Table of Contents * Updated product grouping in the sidebar * Clearer titles and descriptions * A cleaner and more user friendly sidebar * Added light mode support

Insight: Transfers API Update & Deprecating Chains

API Changes Breaking Change: /v1/nfts/transfers Requirements * Requests to /v1/nfts/transfers now require at least one of the following parameters: * block_timestamp_from * block_number_from Deprecated Chains Status: Read-Only (No New Blocks) * The following chain IDs have been deprecated and will no longer receive new block updates

Engine

EIP7702 Session Key Execution for Server Wallets

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

Batch EOA Execution for Server Wallets

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

Swap API

Swap between tokens and chains with thirdweb's new Swap API.

engine cloud

AWS KMS Server Wallets

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 "

Payment Widgets: Faster Quote Discovery

thirdweb SDK v5.105.24

Unreal Engine 5.6 Support

Thirdweb's Unreal SDK Plugin is now available for Unreal Engine 5.6

Payment Links

Get paid from anywhere with Payment Links.

Unreal Engine - Account Abstraction v7 Support

Supporting v7 Account Factories and Entrypoints.

Changelog

Introducing the new thirdweb for the age of AI

We’ve rebuilt the thirdweb developer platform for the AI-native era. You can now build apps 80% faster with our new HTTP API, MCP server and new LLM optimized documentation. We've also re-organized the platform to be simpler and better organized. What’s New * New HTTP API → We

Support Now Available in the Dashboard

New Feature: You can now access support directly from the thirdweb dashboard. What’s New * Support Tab: A new “Support” tab is now available on the team sidebar * AI Agent: Get quick answers with our built-in AI support chat * Case Management: Create, track, and manage support cases directly from your