> ## 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.

**B3 Open Ecosystem**

  

**[Get in Touch](https://b3builders.typeform.com/bsmntdevelopers)**

Thinking about building your app or game on B3?  Let's chat.

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

![](/images/login-banner.jpg)

    Instant Login
    Instantly onboard players with embedded smart accounts—just one click and they're in the game.

  ![](/images/profiles-banner.jpg)

    Know Your Player's Identity
    Unlock instant access to player data across the ecosystem and their onchain gamer data.

### Scale Your Game

![](/images/leaderboards-banner.jpg)

    Deploy Onchain Leaderboards
    Create competitive rankings tied to real gameplay data and cross-game achievements.

  ![](/images/achievements-banner.jpg)

    Create Custom Achievements
    Create onchain achievements tied to gameplay, loyalty, or community actions. Let players wear their wins across the ecosystem.

  ![](/images/tournaments-banner.jpg)

    Launch Instant Tournaments
    Spin up tournaments instantly to boost retention, drive competition, and monetize your game.

  ![](/images/versus-banner.jpg)

    Enable Wager Duels
    Allow players challenge each other in real-time PvP. Add wagers, XP, or prizes to every match.

  ![](/images/unlock-banner.jpg)

    Create Exclusivity with Token Gating
    Enable users to unlock exclusive content, game modes, or perks based on NFT or token holdings.

  ![](/images/notifications-banner.jpg)

    Send Onchain Notifications
    Trigger wallet-based alerts tied to gameplay, achievements, drops, or events to re-engage users.

### Unlock New Ways to Monetize

![](/images/anyspend-example-banner.jpg)

    Accept Payments Without Friction
    Enable users to make purchases with no KYC using fiat or ANY token on ANY chain. It's the easiest way to pay.

  ![](/images/claim-banner.jpg)

    Create Native Game Tokens
    Easily create custom tokens that power progression, rewards, or ownership—natively tied to your game logic.

  ![](/images/marketplace-banner.jpg)

    Turn Any Asset into a Marketplace
    From achievements to skins to user-generated content, turn any in-game asset into a collectible that players can trade.

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

**[Data API](/data/api-reference/introduction)**

Get access to B3 ecosystem data with our free API.
We automatically merge our multiple, horizontally scaled chains, abstracting the complexity of working with multiple appchains.

### Build on B3

**[Get in Touch](https://b3builders.typeform.com/bsmntdevelopers)**

Thinking about building your app or game on B3?  Let's chat!

## Ecosystem Tools

Explore our comprehensive ecosystem of tools and services:

**[SDKs](/ecosystem/onchain-sdks)**

Next.js, Unity, Unreal Engine, React, and more

  **[Node Providers](/ecosystem/node-providers)**

Blockchain infrastructure and RPC providers

  **[Bridges](/ecosystem/bridges)**

Cross-chain bridging solutions for B3

  **[NFT Infrastructure](/ecosystem/nft-infrastructure)**

Tools for NFT creation, management, and trading

  **[Wallets](/ecosystem/wallets)**

Wallet solutions and authentication providers

  **[Data & Analytics](/ecosystem/data-analytics)**

Data indexers, analytics, and user acquisition tools

  **[Infrastructure](/ecosystem/infrastructure)**

Oracles, account abstraction, multisig, and more

  **[Governance](/ecosystem/governance)**

Governance platforms and tools