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    Build with Sequence

    The complete web3 developer platform and infrastructure stack for chains, apps, and games.

    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.

    Integrate one‑click checkout with Trails

    Drop in cross‑chain, one‑click checkout to swap, fund, earn, and pay.

    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.

    Assistant
    Responses are generated using AI and may contain mistakes.