
Tengu
Tengu is a Telegram trading bot for placing perpetual trades on Extended without leaving chat.

What is Tengu?
Tengu lets traders open and manage perpetual positions on Extended, the Starknet-based perp DEX, directly inside Telegram. Users connect a wallet through Turnkey authentication, then place market and limit orders, manage leverage, and track positions without switching to a separate web app.
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Developer resources from Alchemy

A guide to web3 authentication
Learn web3 authentication basics and how to build modern flows onchain with email and social login.

How to build an AI trading bot: a complete developer's guide (2026)
A step-by-step technical guide to building a sentiment-enhanced crypto trading bot with on-chain data, machine learning, and risk management using Alchemy's blockchain APIs.

How Slingshot built cross-chain trading with Webhooks
Slingshot 2.0 supports instant trading of over 300K tokens across Solana, Ethereum, and various L2s. What sets them apart? Users can trade any token across any chain without worrying about bridging or gas fees - all powered by Alchemy Webooks.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

