Quickstarts & Boilerplates
Create your first wallet
Spin up a React app with social/email auth and a non-custodial wallet.
Query real-time balances with Indexer
Fetch live token balances for wallets and contracts across EVMs, plus webhooks.
Integrate drop-in web3 checkout
Use Checkout SDK to enable fiat and onchain payments.
Launch a Shop to sell NFTs
Open a hosted primary-sale storefront with built-in checkout.
Browse all boilerplates
Explore all available templates and starter projects.
Explore SDKs
Web SDK
Integrate wallets and auth in React, Next.js, or Vue.
Payments SDK
One-click, cross-chain checkout and funding flows.
Mobile SDK
React Native wallets for iOS and Android apps.
Unity SDK
Wallets, Indexer, payments, and marketplace tools for Unity.
Unreal SDK
Wallets, Indexer, payments, and marketplace tools for Unreal.
Explore APIs & Backend SDKs
Indexer API
Real-time balances and activity across any EVM, plus webhooks.
Transactions API
Send transactions with gas sponsorship and auto estimation.
Marketplace API
Aggregated listings and sales data for NFT collections.
Go SDK
Access any Sequence service from Go.
Node.js SDK
Access any Sequence service from Node.js.
Sidekick
Dockerized backend for simplified blockchain reads/writes with secure key management.