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

# SDK

Orb's SDK is available in **Python**, **TypeScript**, **Go**, **Java**, **Kotlin**, and **Ruby**. Each SDK includes built-in support for [idempotency](/api-reference/idempotency), [pagination](/api-reference/pagination), retries, and more.

If we don't yet offer an SDK in your preferred language, please reach out to us at [team@withorb.com](mailto:team@withorb.com). You can also use our [OpenAPI spec](https://api.withorb.com/spec.json) to generate a client in your language of choice. The spec supports a `version` parameter with values `3.0` or `3.1` (default: `3.1`).

| SDK            | Installation Command / Dependency                                                                                               | Links                                                                       |
| -------------- | ------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------- |
| **Python**     | `pip install orb-billing`                                                                                                       | [PyPI →](https://pypi.org/project/orb-billing)                              |
| **TypeScript** | `npm install orb-billing`                                                                                                       | [NPM →](https://npmjs.com/package/orb-billing)                              |
| **Go**         | `go get github.com/orbcorp/orb-go`                                                                                              | [GitHub →](https://github.com/orbcorp/orb-go)                               |
| **Java**       | `<dependency><groupId>com.withorb.api</groupId> <artifactId>orb-java</artifactId> <version>{version}</version></dependency>`    | [Maven →](https://central.sonatype.com/artifact/com.withorb.api/orb-java)   |
| **Kotlin**     | `<dependency> <groupId>com.withorb.api</groupId> <artifactId>orb-kotlin</artifactId> <version>{version}</version></dependency>` | [Maven →](https://central.sonatype.com/artifact/com.withorb.api/orb-kotlin) |
| **Ruby**       | `gem install orb-billing`                                                                                                       | [RubyGems →](https://rubygems.org/gems/orb-billing)                         |