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

# SDKs

> Official client libraries for the Paubox Email API and Forms API.

Paubox provides official SDKs for nine languages. Each library handles authentication, request formatting, and error handling so you can integrate in minutes.

<CardGroup cols={3}>
  <Card title="C#" icon="code" href="/csharp-sdk/index" />

  <Card title="Go" icon="code" href="/go-sdk/index" />

  <Card title="Java" icon="java" href="/java-sdk/index" />

  <Card title="Node.js" icon="node-js" href="/node-sdk/index" />

  <Card title="Perl" icon="code" href="/perl-sdk/index" />

  <Card title="PHP" icon="php" href="/php-sdk/index" />

  <Card title="Python" icon="python" href="/python-sdk/index" />

  <Card title="Rails" icon="gem" href="/rails-sdk/index" />

  <Card title="Ruby" icon="gem" href="/ruby-sdk/index" />

  <Card title="Rust" icon="code" href="/rust-sdk/index" />
</CardGroup>

Source code and issue trackers for all SDKs are available on [GitHub](https://github.com/paubox).