# SDK Documentation
> Quicknode's official SDK for calling Quicknode product APIs from Rust, Python, Node.js, and Ruby.

Part of the Quicknode docs index: https://www.quicknode.com/docs/llms.txt

- [SDK](https://www.quicknode.com/docs/sdk.md): Quicknode's official SDK for calling Quicknode product APIs from Rust, Python, Node.js, and Ruby.
- [RPC Micropayments](https://www.quicknode.com/docs/sdk/micropayments.md): Configure the Quicknode SDK to pay for RPC calls with x402 or MPP, including per-request payments, x402 credit drawdown, and MPP payment channels.
- [SDK Examples](https://www.quicknode.com/docs/sdk/examples.md): Product examples for Admin API, Streams, Webhooks, Key-Value Store, and SQL Explorer with the SDK.
- [SDK QuickStart](https://www.quicknode.com/docs/sdk/quick-start.md): Install and initialize the SDK for Rust, Python, Node.js, and Ruby.