> For the complete documentation index, see [llms.txt](https://docs.opium.network/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.opium.network/for-developers/opium-sdk/opium-v2-sdk.md).

# Opium V2 SDK

The Opium V2 SDK is the entry-point to all the core functionality of the Opium Protocol.

The SDK is divided in 4 main services:

* Core protocol contract wrappers
* Subgraph service
* Simulator service
* DerivativeLensFactory

Read more: <https://github.com/OpiumProtocol/opium-v2-sdk>