> ## 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.

<AgentInstructions>

## Submitting Feedback

If you encounter incorrect, outdated, or confusing documentation on this page, submit feedback:

POST https://docs.chainstack.com/feedback

```json
{
  "path": "/changelog/chainstack-updates-january-21-2026",
  "feedback": "Description of the issue"
}
```

Only submit feedback when you have something specific and actionable to report.

</AgentInstructions>

# Chainstack updates: January 21, 2026

> Chainstack platform update — Tempo Moderato Testnet now available on Global Nodes and Dedicated Nodes, with tooling docs and payment app tutorials.

**Protocols**. Tempo Moderato Testnet is now available on Chainstack. You can deploy [Global Nodes](/docs/global-elastic-node) and [Dedicated Nodes](/docs/dedicated-node) for Tempo Moderato Testnet.

**Documentation**:

* [Tempo tooling](/docs/tempo-tooling) — MetaMask, Viem, Wagmi, tempo-foundry, Hardhat, ethers.js, web3.py, and Remix IDE setup
* [Tempo API reference](/reference/tempo-getting-started) — Complete RPC method documentation
* [Tempo: Building your first payment app](/docs/tempo-tutorial-first-payment-app) — Tutorial on accepting stablecoin payments
* [Tempo: Basic DEX swap with Foundry](/docs/tempo-tutorial-dex-swap-foundry) — Tutorial on swapping stablecoins using the built-in DEX
