> ## Documentation Index
> Fetch the complete documentation index at: https://docs.b3.fun/llms.txt
> Use this file to discover all available pages before exploring further.

# B3 Open Ecosystem

> B3 remains committed to being an open ecosystem, supporting a range of apps, games, communities, protocols, and onchain tooling.

<iframe className="w-full aspect-video rounded-xl" src="https://customer-gg6qs7nm5ue94t64.cloudflarestream.com/7f05a196458c0418ccd64ff859622531/iframe?muted=true&loop=true&autoplay=true&poster=https%3A%2F%2Fcustomer-gg6qs7nm5ue94t64.cloudflarestream.com%2F7f05a196458c0418ccd64ff859622531%2Fthumbnails%2Fthumbnail.jpg%3Ftime%3D%26height%3D600" title="B3 Open Ecosystem" frameBorder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowFullScreen />

<br />

<Card title="Get in Touch" icon="handshake" href="https://b3builders.typeform.com/bsmntdevelopers" horizontal>
  Thinking about building your app or game on B3?  Let's chat.
</Card>

# B3 SDK

Exclusively available on B3, our SDK makes it easy to create fun onchain experiences.

<CardGroup cols={2}>
  <Card href="/sdk/global-account/authentication">
    <img src="https://mintcdn.com/npclabs/BqgbIxC-QswCxsQH/images/login-banner.jpg?fit=max&auto=format&n=BqgbIxC-QswCxsQH&q=85&s=5796a51d00597ca9a4ba0292351a366f" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/login-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Instant Login</h3>
    Instantly onboard players with embedded smart accounts—just one click and they're in the game.
  </Card>

  <Card href="/sdk/global-account/introduction">
    <img src="https://mintcdn.com/npclabs/6MmTGi9wpkGI2JFJ/images/profiles-banner.jpg?fit=max&auto=format&n=6MmTGi9wpkGI2JFJ&q=85&s=4cc1fbd02fb97d46b240b1e8ce62bfd6" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/profiles-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Know Your Player's Identity</h3>
    Unlock instant access to player data across the ecosystem and their onchain gamer data.
  </Card>
</CardGroup>

### Scale Your Game

<CardGroup cols={2}>
  <Card href="/basement/introduction">
    <img src="https://mintcdn.com/npclabs/BqgbIxC-QswCxsQH/images/leaderboards-banner.jpg?fit=max&auto=format&n=BqgbIxC-QswCxsQH&q=85&s=6023b1ff74ce0e75abab0336402fa5ac" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/leaderboards-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Deploy Onchain Leaderboards</h3>
    Create competitive rankings tied to real gameplay data and cross-game achievements.
  </Card>

  <Card href="/basement/introduction">
    <img src="https://mintcdn.com/npclabs/T8myXHRpwbznxu_Y/images/achievements-banner.jpg?fit=max&auto=format&n=T8myXHRpwbznxu_Y&q=85&s=fd505b361a0453fdb1ac5920b40cead1" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/achievements-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Create Custom Achievements</h3>
    Create onchain achievements tied to gameplay, loyalty, or community actions. Let players wear their wins across the ecosystem.
  </Card>

  <Card href="/basement/introduction">
    <img src="https://mintcdn.com/npclabs/6MmTGi9wpkGI2JFJ/images/tournaments-banner.jpg?fit=max&auto=format&n=6MmTGi9wpkGI2JFJ&q=85&s=aa98c063b33acabc4a5669872ea660de" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="660" data-path="images/tournaments-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Launch Instant Tournaments</h3>
    Spin up tournaments instantly to boost retention, drive competition, and monetize your game.
  </Card>

  <Card href="/basement/introduction">
    <img src="https://mintcdn.com/npclabs/6MmTGi9wpkGI2JFJ/images/versus-banner.jpg?fit=max&auto=format&n=6MmTGi9wpkGI2JFJ&q=85&s=682e4b3245fa56a75d963b668b4c3d9c" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/versus-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Enable Wager Duels</h3>
    Allow players challenge each other in real-time PvP. Add wagers, XP, or prizes to every match.
  </Card>

  <Card href="/sdk/global-account/permissions">
    <img src="https://mintcdn.com/npclabs/6MmTGi9wpkGI2JFJ/images/unlock-banner.jpg?fit=max&auto=format&n=6MmTGi9wpkGI2JFJ&q=85&s=ae1875d618f10d306080ecd28c2e46ae" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/unlock-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Create Exclusivity with Token Gating</h3>
    Enable users to unlock exclusive content, game modes, or perks based on NFT or token holdings.
  </Card>

  <Card href="/ecosystem/introduction">
    <img src="https://mintcdn.com/npclabs/BqgbIxC-QswCxsQH/images/notifications-banner.jpg?fit=max&auto=format&n=BqgbIxC-QswCxsQH&q=85&s=924b7acab8b6b992f70b447c5aed39f8" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/notifications-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Send Onchain Notifications</h3>
    Trigger wallet-based alerts tied to gameplay, achievements, drops, or events to re-engage users.
  </Card>
</CardGroup>

### Unlock New Ways to Monetize

<CardGroup cols={2}>
  <Card href="/anyspend/introduction">
    <img src="https://mintcdn.com/npclabs/T8myXHRpwbznxu_Y/images/anyspend-example-banner.jpg?fit=max&auto=format&n=T8myXHRpwbznxu_Y&q=85&s=fe96ac26367dda7f7cf34f3dd82ec577" className="w-full h-48 object-cover rounded-xl mb-4" width="2428" height="840" data-path="images/anyspend-example-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Accept Payments Without Friction</h3>
    Enable users to make purchases with no KYC using fiat or ANY token on ANY chain. It's the easiest way to pay.
  </Card>

  <Card href="/createkit/introduction">
    <img src="https://mintcdn.com/npclabs/BqgbIxC-QswCxsQH/images/claim-banner.jpg?fit=max&auto=format&n=BqgbIxC-QswCxsQH&q=85&s=5af008035b7c09fb3b7794430f85699b" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/claim-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Create Native Game Tokens</h3>
    Easily create custom tokens that power progression, rewards, or ownership—natively tied to your game logic.
  </Card>

  <Card href="/createkit/introduction">
    <img src="https://mintcdn.com/npclabs/BqgbIxC-QswCxsQH/images/marketplace-banner.jpg?fit=max&auto=format&n=BqgbIxC-QswCxsQH&q=85&s=6e568f0e65bcfdf6852f369f9b76c5a1" className="w-full h-48 object-cover rounded-xl mb-4" width="1180" height="640" data-path="images/marketplace-banner.jpg" />

    <h3 className="text-lg font-semibold text-primary block mb-1">Turn Any Asset into a Marketplace</h3>
    From achievements to skins to user-generated content, turn any in-game asset into a collectible that players can trade.
  </Card>
</CardGroup>

### Data API

Getting blockchain data from B3 & our appchains is easy - and **free**.

<Card title="Data API" icon="database" href="/data/api-reference/introduction" horizontal arrow="true">
  Get access to B3 ecosystem data with our free API.
</Card>

<Tip>
  We automatically merge our multiple, horizontally scaled chains, abstracting the complexity of working with multiple appchains.
</Tip>

### Build on B3

<Card title="Get in Touch" icon="handshake" href="https://b3builders.typeform.com/bsmntdevelopers" horizontal>
  Thinking about building your app or game on B3?  Let's chat!
</Card>

## Ecosystem Tools

Explore our comprehensive ecosystem of tools and services:

<CardGroup cols={2}>
  <Card title="SDKs" icon="gamepad" href="/ecosystem/onchain-sdks">
    Next.js, Unity, Unreal Engine, React, and more
  </Card>

  <Card title="Node Providers" icon="server" href="/ecosystem/node-providers">
    Blockchain infrastructure and RPC providers
  </Card>

  <Card title="Bridges" icon="link" href="/ecosystem/bridges">
    Cross-chain bridging solutions for B3
  </Card>

  <Card title="NFT Infrastructure" icon="gem" href="/ecosystem/nft-infrastructure">
    Tools for NFT creation, management, and trading
  </Card>

  <Card title="Wallets" icon="wallet" href="/ecosystem/wallets">
    Wallet solutions and authentication providers
  </Card>

  <Card title="Data & Analytics" icon="chart-bar" href="/ecosystem/data-analytics">
    Data indexers, analytics, and user acquisition tools
  </Card>

  <Card title="Infrastructure" icon="wrench" href="/ecosystem/infrastructure">
    Oracles, account abstraction, multisig, and more
  </Card>

  <Card title="Governance" icon="users" href="/ecosystem/governance">
    Governance platforms and tools
  </Card>
</CardGroup>