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

# Chainstack updates: January 25, 2024

> Starknet Sepolia Testnet global elastic nodes are now available on Chainstack, giving Cairo developers low-latency RPC access for testing zk-rollup apps.

**Global elastic nodes**. Now, you can deploy global elastic nodes for Starknet Sepolia Testnet.