# Chains

In the Subs ecosystem, each blockchain has its own codename. To interact with the Subs API, Discord bot, or Telegram bot, you'll need these codenames.

<table><thead><tr><th width="328" align="center">Chains</th><th align="center">Code Name</th></tr></thead><tbody><tr><td align="center">Polygon  Pos Amoy</td><td align="center"><pre class="language-typescript"><code class="lang-typescript">amoy
</code></pre></td></tr><tr><td align="center">Binance Smart Chain Testnet</td><td align="center"><pre class="language-typescript"><code class="lang-typescript">bsct
</code></pre></td></tr><tr><td align="center">Base Sepolia </td><td align="center"><pre class="language-typescript"><code class="lang-typescript">baset
</code></pre></td></tr><tr><td align="center">Stellar testnet</td><td align="center"><pre><code>stellart
</code></pre></td></tr><tr><td align="center"></td><td align="center"></td></tr><tr><td align="center">Polygon Pos Mainnet</td><td align="center"><pre class="language-typescript"><code class="lang-typescript">polygon
</code></pre></td></tr><tr><td align="center">Binance Smart Chain </td><td align="center"><pre><code>bsc
</code></pre></td></tr><tr><td align="center">Base Mainnet</td><td align="center"><pre><code>base
</code></pre></td></tr><tr><td align="center">Stellar public</td><td align="center"><pre><code>stellar
</code></pre></td></tr></tbody></table>


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