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

# Chainstack updates: October 3, 2022

> Ethereum Sepolia testnet support arrives for full nodes on Chainstack, accompanied by an updated Solana JSON-RPC API reference for Solana developers.

* **Protocols**. Ethereum [Sepolia testnet support](/docs/protocols-networks) for full nodes.
* **Documentation**. Solana API [reference](/reference/solana-getting-started).